Files
drum-rhythm-game/index.html
T
Outis 26433eda1a Merge pull request #20 from outis1one/claude/fix-classical-pieces-abgA3
Add gamepad auto-detection, keyboard remapping, and smart lane enabling
2026-03-31 00:01:30 -04:00

4947 lines
221 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>🥁 Drum Rhythm Game</title>
<style>
*{box-sizing:border-box;margin:0;padding:0;}
body{background:#0a0a0f;color:#eee;font-family:sans-serif;height:100vh;display:flex;flex-direction:column;overflow:hidden;}
.screen{display:none;flex-direction:column;align-items:center;width:100%;height:100%;overflow-y:auto;padding:16px;gap:10px;}
.screen.active{display:flex;}
.card{background:#13131f;border:1px solid #222;border-radius:10px;padding:14px;width:100%;max-width:700px;}
.card h2{font-size:11px;opacity:.5;text-transform:uppercase;letter-spacing:1px;margin-bottom:10px;}
.mode-row{display:flex;gap:8px;}
.mode-card{flex:1;padding:10px;border-radius:8px;border:2px solid #222;background:#0d0d1a;cursor:pointer;text-align:center;}
.mode-card.sel{border-color:#805ad5;}
.mode-card h3{font-size:13px;margin-bottom:3px;}
.mode-card p{font-size:11px;opacity:.5;}
.genre-tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px;}
.gtab{padding:5px 12px;border-radius:16px;border:1px solid #333;background:transparent;color:#aaa;cursor:pointer;font-size:12px;}
.gtab.active{background:#805ad5;border-color:#805ad5;color:#fff;}
.rgrid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5px;max-height:160px;overflow-y:auto;}
.rbtn{padding:6px 8px;border-radius:5px;border:1px solid #2a2a3a;background:#0d0d1a;color:#ccc;cursor:pointer;font-size:11px;text-align:left;}
.rbtn.sel{border-color:#38a169;color:#eee;}
.rbtn small{opacity:.5;display:block;}
.pad-toggle{display:flex;gap:8px;flex-wrap:wrap;}
.ptog{padding:7px 14px;border-radius:20px;border:2px solid;cursor:pointer;font-size:12px;font-weight:bold;opacity:.4;transition:opacity .15s;}
.ptog.on{opacity:1;}
.prow{display:flex;gap:6px;align-items:center;margin-bottom:5px;}
.prow input{background:#0d0d1a;border:1px solid #333;border-radius:5px;padding:5px 8px;color:#eee;font-size:12px;flex:1;}
.smbtn{padding:5px 10px;border-radius:5px;border:1px solid #333;background:transparent;color:#eee;cursor:pointer;font-size:12px;}
.smbtn.green{color:#68d391;border-color:#68d391;}
.smbtn.red{color:#fc8181;border-color:#fc8181;}
.smbtn.purple{color:#b794f4;border-color:#b794f4;}
.bigbtn{padding:11px 32px;border-radius:9px;border:none;background:#805ad5;color:#fff;font-size:15px;cursor:pointer;font-weight:bold;}
.bigbtn:hover{background:#9f7aea;}
#hud{padding:7px 12px;background:#111;border-bottom:1px solid #1e1e2e;display:flex;align-items:center;gap:10px;flex-shrink:0;width:100%;}
#hud-title{font-size:12px;font-weight:bold;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hstat{text-align:center;min-width:50px;}.hstat span{font-size:9px;opacity:.5;display:block;}.hstat b{font-size:16px;}
#cwrap{flex:1;position:relative;width:100%;}
canvas{display:block;}
#msg{position:absolute;top:28%;left:50%;transform:translate(-50%,-50%);font-size:28px;font-weight:bold;pointer-events:none;opacity:0;text-shadow:0 0 20px currentColor;white-space:nowrap;}
#cdown{position:absolute;top:40%;left:50%;transform:translate(-50%,-50%);font-size:80px;font-weight:bold;pointer-events:none;opacity:0;color:#fff;}
#pbanner{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:#1a1a2e;border:1px solid #444;border-radius:7px;padding:7px 18px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .3s;}
#ss{padding:16px;}
.stbl{width:100%;max-width:600px;border-collapse:collapse;}
.stbl th{text-align:left;padding:7px 9px;border-bottom:1px solid #222;font-size:11px;opacity:.5;}
.stbl td{padding:7px 9px;border-bottom:1px solid #111;font-size:12px;}
.sticky-start{position:sticky;bottom:0;padding:12px 0 4px;background:linear-gradient(transparent,#0a0a0f 35%);z-index:10;display:flex;gap:8px;justify-content:center;align-items:center;width:100%;max-width:700px;}
#game-controls{display:flex;gap:0;background:#0d0d18;border-bottom:1px solid #1e1e2e;padding:5px 14px;flex-shrink:0;width:100%;align-items:center;justify-content:center;gap:28px;}
.gctrl-label{display:flex;align-items:center;gap:8px;cursor:default;}
.gctrl-icon{font-size:16px;}
.gctrl-name{font-size:11px;color:#aaa;min-width:44px;}
.gctrl-slider{width:140px;height:6px;accent-color:#805ad5;cursor:pointer;}
.gctrl-val{font-size:13px;font-weight:bold;color:#b794f4;min-width:40px;text-align:right;}
#pause-overlay{display:none;position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.8);z-index:20;flex-direction:column;align-items:center;justify-content:center;gap:16px;}
#pause-overlay.show{display:flex;}
#pause-overlay h2{font-size:28px;color:#fff;}
#remap-overlay,#keyremap-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.9);z-index:30;flex-direction:column;align-items:center;justify-content:center;gap:16px;}
#remap-overlay.show,#keyremap-overlay.show{display:flex;}
#remap-prompt,#keyremap-prompt{font-size:20px;font-weight:bold;text-align:center;}
#remap-status,#keyremap-status{font-size:13px;opacity:.5;text-align:center;}
</style>
</head>
<body>
<!-- MENU -->
<div class="screen active" id="sm">
<div style="text-align:center;padding:6px 0"><h1 style="font-size:24px">🥁 Drum Rhythm Game</h1><p style="opacity:.4;font-size:12px">Hit pads when notes reach the line</p></div>
<div class="card">
<h2>Mode</h2>
<div class="mode-row">
<div class="mode-card sel" id="mc-b" onclick="setMode('builtin')"><h3>🥁 Rhythm</h3><p>Play along to drum charts</p></div>
<div class="mode-card" id="mc-m" onclick="setMode('mp3')"><h3>🎵 MP3 Jam</h3><p>Load music, drum freely</p></div>
</div>
</div>
<div class="card" id="rc">
<h2>Choose Rhythm</h2>
<div class="genre-tabs" id="gtabs"></div>
<div class="rgrid" id="rgrid"></div>
<div style="display:flex;gap:8px;align-items:center;margin-top:8px;">
<button class="smbtn purple" id="pvbtn" onclick="togglePreview()">▶ Preview</button>
<span id="pvlbl" style="font-size:11px;opacity:.5">Select a rhythm to preview</span>
</div>
</div>
<div class="card" id="mc-mp3" style="display:none">
<h2>Load MP3</h2>
<div style="display:flex;gap:8px;align-items:center">
<button class="smbtn" onclick="document.getElementById('fi').click()">📂 Browse</button>
<span id="mp3n" style="font-size:12px;opacity:.5">No file</span>
<input type="file" id="fi" accept="audio/*" style="display:none">
</div>
</div>
<div class="card">
<h2>Active Pads</h2>
<div class="pad-toggle" id="pad-toggles"></div>
<p style="font-size:11px;opacity:.4;margin-top:8px">Toggle which pads show notes. Inactive pads still make sound when hit.</p>
<div style="margin-top:10px;padding-top:8px;border-top:1px solid #222;">
<span style="font-size:11px;opacity:.5;margin-right:8px;">Note density:</span>
<button class="smbtn" id="density-full" onclick="setSimpleMode(false)">Full</button>
<button class="smbtn" id="density-simple" onclick="setSimpleMode(true)">Simple</button>
<span style="font-size:10px;opacity:.35;margin-left:6px;" id="density-hint">Fewer notes for beginners</span>
</div>
<div id="hitmode-toggle" style="display:none;margin-top:10px;padding-top:8px;border-top:1px solid #222;">
<span style="font-size:11px;opacity:.5;margin-right:8px;">Classical hit sound:</span>
<button class="smbtn" id="hitmode-drums" onclick="setHitMode('drums')">🥁 Drums</button>
<button class="smbtn purple" id="hitmode-orch" onclick="setHitMode('orchestra')">🎻 Orchestra</button>
</div>
</div>
<div class="card">
<h2>Players</h2>
<div id="plist"></div>
<button class="smbtn green" onclick="addPlayer()" style="margin-top:5px">+ Add Player</button>
</div>
<div class="card">
<h2>Leaderboard</h2>
<div id="mlb" style="font-size:12px;opacity:.5">No scores yet.</div>
<div style="display:flex;gap:6px;margin-top:8px">
<button class="smbtn" onclick="goScores()">View All</button>
<button class="smbtn red" onclick="confirmReset()">Reset All Data</button>
</div>
</div>
<div class="card">
<h2>Settings</h2>
<div style="display:flex;gap:16px;flex-wrap:wrap;align-items:center;">
<label style="font-size:12px;display:flex;align-items:center;gap:6px;">Speed: <input type="range" min="50" max="150" value="100" step="5" id="speed-slider" oninput="setSpeed(this.value)"><span id="speed-val" style="font-size:11px;min-width:32px">100%</span></label>
<label style="font-size:12px;display:flex;align-items:center;gap:6px;">Volume: <input type="range" min="0" max="150" value="100" step="5" id="vol-slider" oninput="setVolume(this.value)"><span id="vol-val" style="font-size:11px;min-width:32px">100%</span></label>
<button class="smbtn" onclick="resetSettings()" style="font-size:11px;">Reset</button>
</div>
</div>
<div class="sticky-start">
<button class="smbtn" onclick="startRemap()">🎮 Remap Pads</button>
<button class="smbtn" onclick="startKeyRemap()">⌨ Remap Keys</button>
<button class="bigbtn" onclick="startGame()">▶ Start</button>
</div>
</div>
<!-- GAME -->
<div class="screen" id="sg" style="padding:0;">
<div id="hud">
<button class="smbtn" onclick="goMenu()">← Menu</button>
<button class="smbtn" onclick="togglePause()" id="pause-btn"></button>
<div id="hud-title">-</div>
<div class="hstat"><span>Score</span><b id="hs">0</b></div>
<div class="hstat"><span>Streak</span><b id="hst">0</b></div>
<div class="hstat"><span>Acc</span><b id="ha">-</b></div>
<div class="hstat"><span>Player</span><b id="hp">-</b></div>
<span id="gpd" style="font-size:10px;opacity:.4;margin-left:auto">No gamepad</span>
</div>
<div id="game-controls">
<label class="gctrl-label">
<span class="gctrl-icon">🔊</span>
<span class="gctrl-name">Volume</span>
<input type="range" min="0" max="150" value="100" step="5" id="hud-vol" class="gctrl-slider" oninput="setVolume(this.value);document.getElementById('vol-slider').value=this.value">
<span class="gctrl-val" id="hud-vol-val">100%</span>
</label>
</div>
<div id="cwrap">
<canvas id="c"></canvas><div id="msg"></div><div id="cdown"></div><div id="pbanner"></div>
<div id="pause-overlay"><h2>PAUSED</h2><button class="bigbtn" onclick="togglePause()">▶ Resume</button><button class="smbtn" onclick="goMenu()">← Back to Menu</button></div>
</div>
</div>
<!-- REMAP (gamepad) -->
<div id="remap-overlay"><div id="remap-prompt"></div><div id="remap-status"></div><button class="smbtn red" onclick="cancelRemap()">Cancel</button></div>
<!-- REMAP (keyboard) -->
<div id="keyremap-overlay"><div id="keyremap-prompt"></div><div id="keyremap-status"></div><button class="smbtn red" onclick="cancelKeyRemap()">Cancel</button></div>
<!-- SCORES -->
<div class="screen" id="ss" style="padding:16px;">
<div style="width:100%;max-width:600px">
<div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:12px">
<h2>🏆 Leaderboard</h2>
<div style="display:flex;gap:6px">
<button class="smbtn red" onclick="clearScores()">Clear</button>
<button class="smbtn" onclick="goMenu()">← Back</button>
</div>
</div>
<table class="stbl"><thead><tr><th></th><th>Player</th><th>Rhythm</th><th>Score</th><th>Acc</th><th>Streak</th><th>Date</th></tr></thead>
<tbody id="stbody"></tbody></table>
</div>
</div>
<script>
// ── LANE DEFINITIONS ──────────────────────────────────
const LANES=[
{label:"Red", color:"#e53e3e",key:"f", type:"tom"},
{label:"Yellow",color:"#d69e2e",key:"g", type:"snare"},
{label:"Blue", color:"#3182ce",key:"h", type:"hihat"},
{label:"Green", color:"#38a169",key:"j", type:"tom2"},
{label:"Kick", color:"#805ad5",key:" ", type:"kick"},
{label:"Crash", color:"#ed8936",key:"d", type:"crash"},
{label:"Ride", color:"#4fd1c5",key:"k", type:"ride"},
{label:"Tom 3", color:"#d53f8c",key:"l", type:"tom3"},
];
// which pads are active (show notes) — all on by default
let activePads=[true,true,true,true,true,false,false,false];
// Simple mode — thins out notes, keeping only strong beats
let simpleMode=false;
// ── RHYTHMS ───────────────────────────────────────────
// Every pattern now uses ALL 5 lanes (0=Red/tom, 1=Yellow/snare, 2=Blue/hihat, 3=Green/tom2, 4=Kick)
// t = beat offset within a 4-beat bar
const GENRES={
Rock:[
{n:"Basic Rock",bpm:90,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1,l:2},{t:1.5,l:2},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:1},{t:3,l:2},{t:3.5,l:2}]},
{n:"Classic Rock",bpm:110,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1.5,l:2},
{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3,l:0},{t:3.5,l:2}]},
{n:"Punk Rock",bpm:160,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1,l:2},{t:1.5,l:2},
{t:2,l:4},{t:2.5,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.25,l:0},{t:3.5,l:2}]},
{n:"Arena Rock",bpm:120,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1,l:3},{t:1.5,l:2},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:1},{t:3,l:0},{t:3.5,l:2}]},
{n:"Hard Rock",bpm:140,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:0},{t:3.25,l:1},{t:3.5,l:3},{t:3.75,l:0}]},
{n:"Indie Rock",bpm:100,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.75,l:3},{t:1,l:1},{t:1.5,l:2},
{t:2,l:4},{t:2,l:2},{t:2.75,l:0},{t:3,l:1},{t:3.5,l:2}]},
{n:"Rock Shuffle",bpm:100,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.67,l:2},{t:1,l:1},{t:1,l:3},{t:1.67,l:2},
{t:2,l:4},{t:2,l:2},{t:2.67,l:2},{t:3,l:1},{t:3,l:0},{t:3.67,l:2}]},
{n:"Power Ballad",bpm:72,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Half Time",bpm:95,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:2},{t:1.5,l:3},
{t:2,l:1},{t:2,l:2},{t:2.5,l:2},{t:3,l:2},{t:3.5,l:0}]},
{n:"Tom Heavy",bpm:105,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:1,l:1},{t:1.5,l:0},
{t:2,l:4},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:0}]},
{n:"Stadium Rock",bpm:118,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1,l:3},{t:1.5,l:2},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3,l:0},{t:3.5,l:2}]},
{n:"Garage Rock",bpm:145,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Post Rock",bpm:80,bars:8,p:[
{t:0,l:4},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:1},{t:3,l:0},{t:3.5,l:2}]},
{n:"Glam Rock",bpm:130,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.75,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:2}]},
{n:"Rock Fill",bpm:110,bars:4,p:[
{t:0,l:4},{t:.5,l:3},{t:1,l:2},{t:1.5,l:1},
{t:2,l:0},{t:2.25,l:1},{t:2.5,l:2},{t:2.75,l:3},{t:3,l:4},{t:3.5,l:0}]},
],
Metal:[
{n:"Basic Metal",bpm:160,bars:8,p:[
{t:0,l:4},{t:.25,l:4},{t:0,l:2},{t:.5,l:2},{t:1,l:1},{t:1,l:3},
{t:1.25,l:4},{t:1.5,l:2},{t:2,l:4},{t:2.25,l:4},{t:2,l:2},
{t:2.5,l:0},{t:3,l:1},{t:3,l:4},{t:3.5,l:2}]},
{n:"Double Bass",bpm:155,bars:8,p:[
{t:0,l:4},{t:.25,l:4},{t:.5,l:4},{t:.75,l:4},{t:1,l:1},{t:1,l:0},
{t:1.25,l:4},{t:1.5,l:4},{t:1.75,l:4},{t:2,l:4},{t:2.25,l:4},
{t:2.5,l:4},{t:2.75,l:4},{t:3,l:1},{t:3,l:3},{t:3.5,l:2}]},
{n:"Thrash",bpm:190,bars:8,p:[
{t:0,l:4},{t:.5,l:4},{t:1,l:1},{t:1,l:0},{t:1.5,l:4},
{t:2,l:4},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:4}]},
{n:"Groove Metal",bpm:120,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:2},{t:2,l:4},{t:2,l:2},{t:2.75,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Doom Metal",bpm:55,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Nu Metal",bpm:100,bars:8,p:[
{t:0,l:4},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:4},{t:2.5,l:1},{t:3.25,l:0},{t:3.5,l:2}]},
{n:"Power Metal",bpm:175,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.5,l:2},{t:1,l:1},{t:1,l:3},
{t:1.5,l:4},{t:1.5,l:2},{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:2}]},
{n:"Metalcore",bpm:150,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1,l:2},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:4},{t:2.5,l:1},{t:3,l:0},{t:3.5,l:2}]},
{n:"Prog Metal",bpm:130,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.25,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2.75,l:0},{t:3,l:1},{t:3,l:2},{t:3.5,l:3},{t:3.75,l:0}]},
{n:"Industrial",bpm:140,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:2},
{t:1.5,l:4},{t:1.5,l:2},{t:2,l:4},{t:2,l:2},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:2}]},
{n:"Sludge",bpm:65,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.75,l:0},{t:1.5,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.75,l:2},{t:3,l:0},{t:3.5,l:1}]},
{n:"Death Metal",bpm:185,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:1},{t:.75,l:3},{t:1,l:4},
{t:1.25,l:1},{t:1.5,l:0},{t:1.75,l:4},{t:2,l:1},{t:2.25,l:3},
{t:2.5,l:4},{t:2.75,l:0},{t:3,l:4},{t:3.5,l:1}]},
{n:"Blast Beat",bpm:200,bars:4,p:[
{t:0,l:4},{t:0,l:1},{t:.25,l:4},{t:.25,l:2},{t:.5,l:4},{t:.5,l:1},
{t:.75,l:4},{t:.75,l:3},{t:1,l:4},{t:1,l:0}]},
{n:"Breakdown",bpm:90,bars:4,p:[
{t:0,l:4},{t:.5,l:0},{t:.75,l:4},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:4},{t:2.5,l:0},{t:2.75,l:1},{t:3,l:3},{t:3.5,l:4}]},
{n:"Black Metal",bpm:210,bars:4,p:[
{t:0,l:4},{t:0,l:2},{t:.25,l:0},{t:.25,l:2},{t:.5,l:1},{t:.5,l:4},
{t:.75,l:3},{t:.75,l:2},{t:1,l:4},{t:1,l:0}]},
],
Jazz:[
{n:"Jazz Ride",bpm:120,bars:8,p:[
{t:0,l:3},{t:.67,l:3},{t:1,l:3},{t:1,l:1},{t:1.67,l:3},
{t:2,l:4},{t:2,l:3},{t:2.67,l:0},{t:3,l:3},{t:3,l:1},{t:3.67,l:3}]},
{n:"Slow Swing",bpm:75,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1.5,l:0},{t:1.67,l:3},
{t:2,l:4},{t:2.67,l:3},{t:3,l:1},{t:3.67,l:3}]},
{n:"Bebop",bpm:200,bars:8,p:[
{t:0,l:3},{t:.67,l:3},{t:1,l:3},{t:1,l:1},{t:1.67,l:3},
{t:2,l:1},{t:2,l:3},{t:2.67,l:0},{t:3,l:3},{t:3.67,l:3}]},
{n:"Jazz Waltz",bpm:140,bars:8,p:[
{t:0,l:4},{t:0,l:3},{t:.67,l:3},{t:1,l:3},{t:1.67,l:3},
{t:2,l:1},{t:2,l:0},{t:2,l:3},{t:2.67,l:3}]},
{n:"Bossa Nova",bpm:110,bars:8,p:[
{t:0,l:4},{t:0,l:3},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},{t:1.75,l:3},
{t:2,l:4},{t:2,l:3},{t:2.75,l:3},{t:3,l:1},{t:3.5,l:0}]},
{n:"Cool Jazz",bpm:95,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:1,l:1},{t:1.5,l:0},{t:1.5,l:3},
{t:2,l:3},{t:2.5,l:4},{t:3,l:1},{t:3.5,l:3}]},
{n:"Fusion",bpm:135,bars:8,p:[
{t:0,l:4},{t:.25,l:2},{t:.5,l:3},{t:1,l:1},{t:1,l:0},
{t:1.25,l:4},{t:1.5,l:2},{t:2,l:3},{t:2.75,l:1},{t:3,l:0},{t:3.5,l:3}]},
{n:"Jazz Shuffle",bpm:105,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1.33,l:0},{t:1.67,l:3},
{t:2,l:4},{t:2.67,l:3},{t:3,l:1},{t:3.67,l:3}]},
{n:"Afro-Cuban",bpm:115,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:.75,l:0},{t:1,l:1},{t:1.5,l:4},
{t:1.75,l:3},{t:2,l:3},{t:2.5,l:0},{t:3,l:1},{t:3.25,l:3},{t:3.75,l:4}]},
{n:"New Orleans",bpm:100,bars:8,p:[
{t:0,l:4},{t:.67,l:2},{t:1,l:1},{t:1.33,l:0},{t:1.67,l:2},
{t:2,l:4},{t:2.33,l:2},{t:2.67,l:0},{t:3,l:1},{t:3.33,l:2}]},
{n:"Hard Bop",bpm:165,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1,l:0},{t:1.5,l:4},
{t:1.67,l:3},{t:2,l:3},{t:2.67,l:0},{t:3,l:1},{t:3,l:4},{t:3.67,l:3}]},
{n:"Modal Jazz",bpm:115,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1.33,l:0},{t:2,l:1},{t:2,l:4},
{t:2.67,l:3},{t:3.33,l:0}]},
{n:"Jazz Ballad",bpm:60,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1.5,l:0},
{t:2,l:4},{t:2.67,l:3},{t:3,l:1}]},
{n:"Post-Bop",bpm:155,bars:8,p:[
{t:0,l:3},{t:.5,l:0},{t:.67,l:3},{t:1,l:1},{t:1.33,l:3},
{t:1.67,l:4},{t:2,l:3},{t:2.33,l:0},{t:2.67,l:1},{t:3,l:3},{t:3.5,l:4}]},
{n:"Medium Swing",bpm:130,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1,l:0},{t:1.67,l:3},
{t:2,l:4},{t:2.67,l:3},{t:3,l:1},{t:3.67,l:3}]},
],
"Hip Hop":[
{n:"Boom Bap",bpm:90,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:2},{t:1.75,l:0},
{t:2,l:4},{t:2.25,l:3},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:2}]},
{n:"Trap",bpm:140,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:4},{t:1,l:1},{t:1.5,l:2},{t:1.75,l:2},
{t:2,l:4},{t:2.25,l:3},{t:3,l:1},{t:3.5,l:2},{t:3.75,l:4}]},
{n:"Lo-Fi",bpm:75,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:0},{t:1.75,l:4},
{t:2,l:2},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:2}]},
{n:"Classic Hip Hop",bpm:85,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:2},
{t:2,l:4},{t:2.5,l:3},{t:2.75,l:2},{t:3,l:1},{t:3.5,l:2},{t:3.75,l:0}]},
{n:"East Coast",bpm:88,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:0},{t:1.75,l:4},
{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3}]},
{n:"West Coast",bpm:100,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.25,l:0},{t:3.5,l:2}]},
{n:"Drill",bpm:145,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:4},{t:1,l:1},{t:1.25,l:3},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.75,l:4}]},
{n:"UK Grime",bpm:140,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.25,l:0},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:2},{t:2.75,l:1},{t:3.5,l:0}]},
{n:"Jazz Rap",bpm:92,bars:8,p:[
{t:0,l:4},{t:.67,l:2},{t:1,l:1},{t:1.5,l:0},{t:1.67,l:2},
{t:2,l:4},{t:2.33,l:3},{t:2.67,l:4},{t:3,l:1},{t:3.67,l:2}]},
{n:"R&B Hip Hop",bpm:88,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.25,l:0},{t:3.5,l:2}]},
{n:"Crunk",bpm:75,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1,l:2},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:4},{t:3,l:1},{t:3,l:0},{t:3.5,l:4}]},
{n:"Cloud Rap",bpm:78,bars:8,p:[
{t:0,l:4},{t:.75,l:2},{t:1,l:1},{t:1.5,l:0},
{t:2,l:3},{t:3,l:1},{t:3.5,l:4}]},
{n:"Gangsta",bpm:95,bars:8,p:[
{t:0,l:4},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:4},{t:3,l:1},{t:3.75,l:0}]},
{n:"Freestyle",bpm:95,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.25,l:0},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3},{t:3.75,l:4}]},
{n:"Chopped",bpm:60,bars:8,p:[
{t:0,l:4},{t:1,l:1},{t:1.5,l:0},{t:2,l:3},{t:2.5,l:4},{t:3,l:1}]},
],
Funk:[
{n:"Classic Funk",bpm:98,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.25,l:0},{t:.5,l:2},{t:.75,l:1},
{t:1,l:2},{t:1.5,l:3},{t:1.75,l:2},{t:2,l:4},{t:2,l:2},
{t:2.5,l:1},{t:2.75,l:0},{t:3,l:4},{t:3.5,l:2}]},
{n:"Funk Pocket",bpm:95,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3},{t:3.75,l:4}]},
{n:"Ghost Notes",bpm:95,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.25,l:1},{t:.5,l:2},{t:.75,l:0},
{t:1,l:1},{t:1.25,l:0},{t:1.5,l:3},{t:2,l:4},{t:2.25,l:0},
{t:2.5,l:2},{t:3,l:1},{t:3,l:2},{t:3.5,l:0}]},
{n:"P-Funk",bpm:108,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:2},{t:1,l:1},{t:1.25,l:3},
{t:1.5,l:2},{t:1.75,l:4},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3},{t:3.75,l:2}]},
{n:"Disco Funk",bpm:118,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.5,l:2},{t:1,l:1},{t:1,l:3},
{t:1.5,l:4},{t:1.5,l:2},{t:2,l:0},{t:2,l:2},{t:2.5,l:4},
{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3}]},
{n:"Soul Funk",bpm:85,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:0},
{t:1.75,l:3},{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Syncopated",bpm:100,bars:8,p:[
{t:0,l:4},{t:.25,l:2},{t:.75,l:0},{t:1,l:1},{t:1.25,l:3},
{t:1.5,l:4},{t:2,l:0},{t:2.25,l:2},{t:2.75,l:3},{t:3,l:1},{t:3.5,l:2}]},
{n:"Afrobeat",bpm:105,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:.75,l:0},{t:1,l:1},{t:1.25,l:2},
{t:1.5,l:3},{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.25,l:3},{t:3.75,l:2}]},
{n:"Hi-Hat Funk",bpm:100,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.25,l:2},{t:.5,l:0},{t:.75,l:2},
{t:1,l:1},{t:1.25,l:2},{t:1.5,l:3},{t:1.75,l:4},
{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:2}]},
{n:"New Orleans",bpm:90,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.67,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.67,l:2},{t:2,l:4},{t:2.5,l:2},{t:2.67,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Electro Funk",bpm:112,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1,l:0},{t:1.5,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3,l:0},{t:3.5,l:4}]},
{n:"Trap Funk",bpm:130,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:2},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.75,l:4}]},
{n:"Slow Funk",bpm:72,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:0},
{t:2,l:3},{t:2.5,l:2},{t:2.75,l:4},{t:3,l:1}]},
{n:"Funk Breakdown",bpm:88,bars:4,p:[
{t:0,l:4},{t:.25,l:2},{t:.5,l:0},{t:.75,l:2},{t:1,l:1},
{t:1.25,l:3},{t:1.5,l:2},{t:1.75,l:4},{t:2,l:0},{t:2.5,l:4},{t:2.75,l:1},{t:3,l:2}]},
{n:"Sly Groove",bpm:102,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:2},{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.25,l:3},{t:3.75,l:2}]},
],
Latin:[
{n:"Samba",bpm:130,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:3},{t:.75,l:0},{t:1,l:1},{t:1,l:2},
{t:1.5,l:3},{t:1.75,l:4},{t:2,l:0},{t:2,l:2},{t:2.5,l:3},
{t:2.75,l:3},{t:3,l:1},{t:3.5,l:0}]},
{n:"Bossa Nova",bpm:110,bars:8,p:[
{t:0,l:4},{t:0,l:3},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:3},{t:2,l:4},{t:2,l:0},{t:2.75,l:3},{t:3,l:1},{t:3.5,l:0}]},
{n:"Salsa",bpm:185,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:2},{t:3.5,l:1}]},
{n:"Cha Cha",bpm:120,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1.5,l:2},{t:1.75,l:3},
{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:2},{t:3.75,l:3}]},
{n:"Reggaeton",bpm:95,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1,l:2},{t:1.5,l:3},
{t:2,l:4},{t:2.5,l:4},{t:3,l:1},{t:3,l:0},{t:3.5,l:4}]},
{n:"Merengue",bpm:150,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.5,l:2},{t:1,l:1},{t:1,l:2},
{t:1.5,l:3},{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3}]},
{n:"Cumbia",bpm:120,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:2},{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Mambo",bpm:165,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:4},{t:.75,l:2},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:0},{t:2.75,l:4},{t:3,l:1},{t:3.5,l:3}]},
{n:"Tango",bpm:65,bars:8,p:[
{t:0,l:4},{t:0,l:1},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:1},{t:2.5,l:0},{t:3,l:1}]},
{n:"Afro-Cuban",bpm:115,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:.75,l:0},{t:1,l:1},{t:1.5,l:4},
{t:1.75,l:3},{t:2,l:0},{t:2.5,l:4},{t:3,l:1},{t:3.25,l:3},{t:3.75,l:0}]},
{n:"Flamenco",bpm:140,bars:8,p:[
{t:0,l:4},{t:.33,l:3},{t:.67,l:0},{t:1,l:1},{t:1.33,l:3},
{t:1.67,l:4},{t:2,l:0},{t:2.33,l:3},{t:2.67,l:1},{t:3,l:4},{t:3.33,l:0}]},
{n:"Bolero",bpm:72,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1.33,l:0},{t:1.67,l:3},
{t:2,l:4},{t:2.67,l:3},{t:3,l:1},{t:3.67,l:0}]},
{n:"Baiao",bpm:110,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:.75,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.25,l:3},{t:3.5,l:0}]},
{n:"Son Cubano",bpm:100,bars:8,p:[
{t:0,l:4},{t:.5,l:3},{t:1,l:1},{t:1.5,l:0},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:3}]},
{n:"Timba",bpm:175,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:4},{t:.75,l:2},{t:1,l:1},{t:1.25,l:3},
{t:1.5,l:4},{t:1.75,l:2},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:3}]},
],
Electronic:[
{n:"4-on-Floor",bpm:128,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3,l:4},{t:3.5,l:2}]},
{n:"Techno",bpm:135,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:4},{t:1,l:2},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:4},{t:3,l:2},{t:3.5,l:3}]},
{n:"Drum & Bass",bpm:174,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:.75,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:1},{t:2.5,l:0},{t:2.75,l:4},{t:3,l:1},{t:3.5,l:4}]},
{n:"Dubstep",bpm:140,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.75,l:4}]},
{n:"Breakbeat",bpm:110,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.75,l:4},{t:1,l:1},{t:1.5,l:3},
{t:1.75,l:2},{t:2,l:4},{t:2.25,l:0},{t:2.5,l:2},{t:3,l:1},{t:3.25,l:4},{t:3.5,l:0}]},
{n:"Trance",bpm:138,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.25,l:0},{t:.5,l:2},{t:.75,l:3},
{t:1,l:1},{t:1,l:4},{t:1.5,l:0},{t:2,l:4},{t:2,l:2},{t:2.5,l:3},
{t:3,l:1},{t:3,l:4},{t:3.5,l:0}]},
{n:"Jungle",bpm:160,bars:8,p:[
{t:0,l:4},{t:.25,l:1},{t:.5,l:0},{t:.75,l:2},{t:1,l:3},
{t:1.25,l:1},{t:1.5,l:4},{t:1.75,l:2},{t:2,l:0},{t:2.5,l:1},
{t:2.75,l:3},{t:3,l:2},{t:3.25,l:4},{t:3.75,l:0}]},
{n:"Synthwave",bpm:100,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3,l:3},{t:3.5,l:2}]},
{n:"Future Bass",bpm:150,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1,l:3},{t:1.5,l:2},
{t:1.75,l:4},{t:2,l:0},{t:2.5,l:3},{t:3,l:1},{t:3.25,l:4},{t:3.75,l:0}]},
{n:"IDM",bpm:120,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:1},{t:.75,l:3},{t:1,l:2},
{t:1.25,l:4},{t:1.75,l:0},{t:2,l:2},{t:2.25,l:3},{t:2.5,l:1},
{t:2.75,l:0},{t:3.25,l:4},{t:3.75,l:2}]},
{n:"Big Beat",bpm:115,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:.75,l:2},{t:1,l:1},{t:1,l:3},
{t:1.5,l:4},{t:1.75,l:0},{t:2,l:4},{t:2,l:2},{t:2.5,l:3},{t:3,l:1},{t:3.5,l:0}]},
{n:"Electro",bpm:118,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:1.5,l:4},{t:1.5,l:2},{t:2,l:0},{t:2,l:2},{t:2.5,l:4},{t:3,l:1},{t:3.5,l:3}]},
{n:"Minimal",bpm:130,bars:8,p:[
{t:0,l:4},{t:1,l:0},{t:1,l:2},{t:2,l:4},{t:2,l:1},{t:3,l:0},{t:3,l:2}]},
{n:"Footwork",bpm:160,bars:8,p:[
{t:0,l:4},{t:.25,l:0},{t:.5,l:1},{t:.75,l:4},{t:1,l:3},
{t:1.25,l:4},{t:1.5,l:0},{t:1.75,l:4},{t:2,l:1},{t:2.5,l:0},
{t:2.75,l:3},{t:3,l:4},{t:3.25,l:1},{t:3.5,l:0}]},
{n:"Ambient",bpm:75,bars:8,p:[
{t:0,l:4},{t:1,l:2},{t:1.5,l:0},{t:2,l:1},{t:2.5,l:3},{t:3,l:2}]},
],
Country:[
{n:"Two-Step",bpm:105,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:1,l:1},{t:1,l:3},{t:1.5,l:0},
{t:2,l:4},{t:2,l:2},{t:3,l:1},{t:3,l:3}]},
{n:"Honky Tonk",bpm:120,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Shuffle",bpm:100,bars:8,p:[
{t:0,l:4},{t:.67,l:2},{t:1,l:1},{t:1.5,l:0},{t:1.67,l:2},
{t:2,l:4},{t:2.67,l:2},{t:3,l:1},{t:3.5,l:0},{t:3.67,l:2}]},
{n:"Bluegrass",bpm:145,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3,l:3}]},
{n:"Ballad",bpm:68,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:1,l:1},{t:1.5,l:0},
{t:2,l:4},{t:2,l:2},{t:3,l:1},{t:3.5,l:3}]},
{n:"Western Swing",bpm:130,bars:8,p:[
{t:0,l:4},{t:.67,l:3},{t:1,l:1},{t:1.5,l:0},{t:1.67,l:3},
{t:2,l:4},{t:2.33,l:0},{t:2.67,l:3},{t:3,l:1},{t:3.67,l:3}]},
{n:"Southern Rock",bpm:125,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1,l:3},{t:1.5,l:0},
{t:2,l:4},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Rockabilly",bpm:155,bars:8,p:[
{t:0,l:4},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2.25,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Outlaw",bpm:110,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"New Country",bpm:118,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1.5,l:3},
{t:2,l:4},{t:2,l:2},{t:2.5,l:0},{t:3,l:1},{t:3.5,l:3}]},
{n:"Gospel",bpm:88,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:1,l:1},{t:1,l:3},{t:1.5,l:0},
{t:2,l:4},{t:2,l:2},{t:2.5,l:2},{t:3,l:1},{t:3,l:0},{t:3.5,l:3}]},
{n:"Americana",bpm:95,bars:8,p:[
{t:0,l:4},{t:.5,l:2},{t:1,l:1},{t:1.5,l:0},
{t:1.5,l:4},{t:2,l:3},{t:2.5,l:2},{t:3,l:1},{t:3.5,l:0}]},
{n:"Texas Blues",bpm:78,bars:8,p:[
{t:0,l:4},{t:.67,l:2},{t:1,l:1},{t:1.5,l:0},{t:1.67,l:2},
{t:2,l:4},{t:2.33,l:0},{t:2.67,l:2},{t:3,l:1},{t:3.67,l:2}]},
{n:"Cajun",bpm:115,bars:8,p:[
{t:0,l:4},{t:.67,l:2},{t:1,l:1},{t:1.33,l:0},{t:1.67,l:2},
{t:2,l:4},{t:2.33,l:3},{t:2.67,l:2},{t:3,l:1},{t:3.33,l:0}]},
{n:"Barn Dance",bpm:138,bars:8,p:[
{t:0,l:4},{t:0,l:2},{t:.5,l:0},{t:1,l:1},{t:1,l:3},
{t:1.5,l:2},{t:2,l:4},{t:2.5,l:0},{t:3,l:1},{t:3,l:0},{t:3.5,l:2}]},
],
};
// ── CLASSICAL MODE ────────────────────────────────────
const NT={C3:130.81,D3:146.83,Eb3:155.56,E3:164.81,F3:174.61,G3:196.00,Ab3:207.65,A3:220.00,Bb3:233.08,B3:246.94,C4:261.63,D4:293.66,Eb4:311.13,E4:329.63,F4:349.23,G4:392.00,Ab4:415.30,A4:440.00,Bb4:466.16,B4:493.88,C5:523.25,D5:587.33,Eb5:622.25,E5:659.25,F5:698.46,G5:783.99,A5:880.00,Gb3:185.00,Db4:277.18,Gb4:369.99,Db5:554.37,C6:1046.50};
function playSynth(ac,freq,t,dur,inst,vol,arr){
if(t<ac.currentTime-0.1)return;
var v=(vol||0.25)*3*masterVolume;
if(inst==='strings'){
var o=ac.createOscillator(),f=ac.createBiquadFilter(),g=ac.createGain();
o.type='sawtooth';o.frequency.value=freq;
f.type='lowpass';f.frequency.value=Math.min(freq*3,4000);
o.connect(f);f.connect(g);g.connect(ac.destination);
var att=Math.min(0.08,dur*0.15);
g.gain.setValueAtTime(0.001,t);g.gain.linearRampToValueAtTime(v,t+att);
if(dur>att+0.05)g.gain.setValueAtTime(v*0.8,t+dur*0.7);
g.gain.linearRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
}else if(inst==='brass'){
var o=ac.createOscillator(),f=ac.createBiquadFilter(),g=ac.createGain();
o.type='square';o.frequency.value=freq;
f.type='lowpass';f.frequency.value=Math.min(freq*2,3000);
o.connect(f);f.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(0.001,t);g.gain.linearRampToValueAtTime(v*0.5,t+0.03);
if(dur>0.08)g.gain.setValueAtTime(v*0.5,t+dur*0.8);
g.gain.linearRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
}else if(inst==='woodwind'){
var o=ac.createOscillator(),g=ac.createGain();
o.type='triangle';o.frequency.value=freq;
o.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(0.001,t);g.gain.linearRampToValueAtTime(v*0.45,t+0.05);
if(dur>0.1)g.gain.setValueAtTime(v*0.45,t+dur*0.8);
g.gain.linearRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
}else if(inst==='bass'){
var o=ac.createOscillator(),g=ac.createGain();
o.type='sine';o.frequency.value=freq;
o.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(v*0.6,t);
if(dur>0.08)g.gain.setValueAtTime(v*0.6,t+dur*0.8);
g.gain.linearRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
}else if(inst==='timpani'){
var o=ac.createOscillator(),g=ac.createGain();
o.type='sine';o.connect(g);g.connect(ac.destination);
o.frequency.setValueAtTime(freq*1.5,t);
o.frequency.exponentialRampToValueAtTime(Math.max(freq*0.5,20),t+dur);
g.gain.setValueAtTime(v*0.8,t);
g.gain.exponentialRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
}else if(inst==='choir'){
[-6,0,6].forEach(function(d){
var o=ac.createOscillator(),g=ac.createGain();
o.type='sine';o.frequency.value=freq+d;
o.connect(g);g.connect(ac.destination);
var at2=Math.min(0.1,dur*0.2);
g.gain.setValueAtTime(0.001,t);g.gain.linearRampToValueAtTime(v*0.3,t+at2);
if(dur>at2+0.05)g.gain.setValueAtTime(v*0.3,t+dur*0.8);
g.gain.linearRampToValueAtTime(0.001,t+dur);
o.start(t);o.stop(t+dur+0.02);if(arr)arr.push(o);
});
}
}
const CLASSICAL_PIECES=(function(){
var G3=NT.G3,Ab3=NT.Ab3,A3=NT.A3,Bb3=NT.Bb3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,G4=NT.G4,Ab4=NT.Ab4,A4=NT.A4,Bb4=NT.Bb4,
C5=NT.C5,D5=NT.D5,Eb5=NT.Eb5,E5=NT.E5,F5=NT.F5,G5=NT.G5,A5=NT.A5,
C3=NT.C3,D3=NT.D3,E3=NT.E3,B4=NT.B4,F3=NT.F3,Gb3=NT.Gb3,Db4=NT.Db4,Gb4=NT.Gb4,Db5=NT.Db5;
// ── Beethoven's 5th Symphony (Opening) ──
// ~87 seconds to the natural break at recapitulation
// Continuous orchestral bed plays throughout; only strong melody accents are hittable
var b5=(function(){
var q=0.375,e=q/2,bg=[],mel=[];
// === CONTINUOUS HARMONIC BED (plays throughout, not hittable) ===
// Sustained string/woodwind chords that change with the harmony
var harmony=[
[0,5.5,[C4,Eb4,G4],0.15], // Cm - opening
[5.5,11,[C4,Eb4,G4],0.12], // Cm - echo
[11,18,[C4,Eb4,G4],0.18], // Cm - development
[18,26,[Ab3,C4,Eb4],0.2], // Ab - power chords
[26,32,[C4,Eb4,G4],0.15], // Cm - transition
[32,40,[G3,Bb3,D4],0.18], // Gm - rising tension
[40,50,[C4,Eb4,G4],0.22], // Cm - recapitulation
[50,60,[Ab3,C4,Eb4],0.2], // Ab - chords
[60,72,[C4,Eb4,G4],0.25], // Cm - building
[72,82,[G3,B3,D4],0.22], // G - dominant tension
[82,90,[C4,Eb4,G4],0.2] // Cm - resolution
];
harmony.forEach(function(h){
for(var t=h[0];t<h[1];t+=2.0){
h[2].forEach(function(f){
bg.push({t:t,f:f,d:1.9,i:'strings',v:h[3]});
});
bg.push({t:t,f:h[2][0]/2,d:1.9,i:'bass',v:h[3]*0.6});
if(h[3]>0.18)bg.push({t:t,f:h[2][1],d:1.9,i:'woodwind',v:h[3]*0.5});
}
});
// === SECTION 1 (0-5.5s): THE OPENING — G-G-G-Eb, F-F-F-D ===
function tutti(t,freq,dur,v){
bg.push({t:t,f:freq,d:dur,i:'strings',v:v});
bg.push({t:t,f:freq,d:dur,i:'brass',v:v*0.6});
bg.push({t:t,f:freq*0.75,d:dur,i:'strings',v:v*0.35});
bg.push({t:t,f:freq*0.6,d:dur,i:'woodwind',v:v*0.3});
if(freq>200)bg.push({t:t,f:freq/2,d:dur,i:'bass',v:v*0.5});
}
// G-G-G-Eb (ff)
tutti(0,G4,0.18,0.55);tutti(q,G4,0.18,0.55);tutti(q*2,G4,0.18,0.55);
tutti(q*3,Eb4,1.8,0.6);
bg.push({t:0,f:G3,d:0.18,i:'timpani',v:0.45});
mel.push({t:0,l:0},{t:q,l:0},{t:q*2,l:0},{t:q*3,l:3});
// F-F-F-D
var s=3.2;
tutti(s,F4,0.18,0.55);tutti(s+q,F4,0.18,0.55);tutti(s+q*2,F4,0.18,0.55);
tutti(s+q*3,D4,1.8,0.6);
mel.push({t:s,l:1},{t:s+q,l:1},{t:s+q*2,l:1},{t:s+q*3,l:3});
// === SECTION 2 (5.5-11s): SOFT RESTATEMENT — strings only, woodwind color ===
s=6.0;
// Running eighth notes in 2nd violins (background texture, not hittable)
for(var ri=0;ri<20;ri++){
var rf=[G4,Eb4,F4,D4,G4,F4,Eb4,D4,C4,Eb4,G4,F4,Eb4,D4,C4,B3,C4,D4,Eb4,F4][ri];
bg.push({t:s+ri*e,f:rf,d:e*0.8,i:'strings',v:0.18});
}
// Melody accents (hittable) — just the motif peaks
bg.push({t:6.0,f:G4,d:0.16,i:'woodwind',v:0.3});mel.push({t:6.0,l:0});
bg.push({t:6.0+q,f:G4,d:0.16,i:'woodwind',v:0.3});mel.push({t:6.0+q,l:0});
bg.push({t:6.0+q*2,f:G4,d:0.16,i:'woodwind',v:0.3});mel.push({t:6.0+q*2,l:0});
bg.push({t:6.0+q*3,f:Eb4,d:1.0,i:'woodwind',v:0.35});mel.push({t:6.0+q*3,l:3});
s=8.5;
bg.push({t:s,f:F4,d:0.16,i:'woodwind',v:0.3});mel.push({t:s,l:1});
bg.push({t:s+q,f:F4,d:0.16,i:'woodwind',v:0.3});mel.push({t:s+q,l:1});
bg.push({t:s+q*2,f:F4,d:0.16,i:'woodwind',v:0.3});mel.push({t:s+q*2,l:1});
bg.push({t:s+q*3,f:D4,d:1.0,i:'woodwind',v:0.35});mel.push({t:s+q*3,l:3});
// === SECTION 3 (11-18s): DEVELOPMENT — faster motifs + scalar run ===
s=11.5;
tutti(s,G4,0.15,0.5);tutti(s+e,G4,0.15,0.5);tutti(s+e*2,G4,0.15,0.5);
tutti(s+e*3,Eb4,0.5,0.55);
mel.push({t:s,l:0},{t:s+e,l:0},{t:s+e*2,l:0},{t:s+e*3,l:3});
s=12.5;
tutti(s,F4,0.15,0.5);tutti(s+e,F4,0.15,0.5);tutti(s+e*2,F4,0.15,0.5);
tutti(s+e*3,D4,0.5,0.55);
mel.push({t:s,l:1},{t:s+e,l:1},{t:s+e*2,l:1},{t:s+e*3,l:3});
// Scalar run — violins play fast, you hit the accent notes
s=14.0;
var scaleDown=[G4,F4,Eb4,D4,C4,B3,C4,D4,Eb4,F4,G4,Ab4,Bb4,Ab4,G4,F4,Eb4,D4,C4,B3];
scaleDown.forEach(function(f,i){
bg.push({t:s+i*e,f:f,d:e*0.85,i:'strings',v:0.4});
bg.push({t:s+i*e,f:f*0.8,d:e*0.85,i:'strings',v:0.2}); // violas
});
// Hittable: only every 4th note (the downbeat accents)
[0,4,8,12,16].forEach(function(i){
mel.push({t:s+i*e,l:[2,0,2,0,0][Math.floor(i/4)]});
});
// === SECTION 4 (18-28s): POWER CHORDS — big hits with timpani ===
s=18.5;
var chords=[[G4,Eb4,C4],[Ab4,F4,C4],[Bb4,G4,Eb4],[Ab4,F4,C4],[G4,Eb4,C4],[F4,D4,Bb3],[Eb4,C4,Ab3],[D4,B3,G3]];
chords.forEach(function(ch,i){
var t2=s+i*1.1;
ch.forEach(function(f){
bg.push({t:t2,f:f,d:1.0,i:'brass',v:0.55});
bg.push({t:t2,f:f,d:1.0,i:'strings',v:0.45});
});
bg.push({t:t2,f:ch[2],d:1.0,i:'bass',v:0.4});
bg.push({t:t2,f:ch[2]/2,d:0.8,i:'timpani',v:0.55});
mel.push({t:t2,l:4});
});
// === SECTION 5 (28-40s): MOTIF IN NEW KEYS — rising tension ===
// Motif passed between brass and strings at different pitches
s=28.0;
// Background: continuous running strings
for(var ri=0;ri<48;ri++){
var rf2=[G4,Eb4,C4,Eb4,F4,D4,Bb3,D4][ri%8];
bg.push({t:s+ri*e,f:rf2,d:e*0.8,i:'strings',v:0.15});
}
// Hittable motif fragments at rising pitches
[[s,G4,Eb4],[s+2.5,Ab4,F4],[s+5.0,Bb4,G4],[s+7.5,C5,Ab4],[s+10.0,D5,Bb4]].forEach(function(m){
tutti(m[0],m[1],0.14,0.55);tutti(m[0]+e,m[1],0.14,0.55);tutti(m[0]+e*2,m[1],0.14,0.55);
tutti(m[0]+e*3,m[2],0.6,0.6);
mel.push({t:m[0],l:0},{t:m[0]+e,l:0},{t:m[0]+e*2,l:0},{t:m[0]+e*3,l:3});
});
// === SECTION 6 (40-52s): SUSTAINED DRAMA — choir + horns, slow chords ===
s=41.0;
[[C4,Eb4,G4],[Bb3,D4,F4],[Ab3,C4,Eb4],[G3,B3,D4],[C4,Eb4,G4],[F3,Ab3,C4]].forEach(function(ch,i){
var t2=s+i*1.8;
ch.forEach(function(f){
bg.push({t:t2,f:f,d:1.6,i:'strings',v:0.5});
bg.push({t:t2,f:f,d:1.6,i:'brass',v:0.4});
bg.push({t:t2,f:f,d:1.6,i:'choir',v:0.3});
});
bg.push({t:t2,f:ch[0]/2,d:1.6,i:'bass',v:0.4});
bg.push({t:t2,f:ch[0]/2,d:1.2,i:'timpani',v:0.5});
mel.push({t:t2,l:4},{t:t2+0.9,l:i%2===0?0:1});
});
// === SECTION 7 (52-64s): RECAPITULATION — motif returns fff ===
s=53.0;
tutti(s,G4,0.18,0.7);tutti(s+q,G4,0.18,0.7);tutti(s+q*2,G4,0.18,0.7);
tutti(s+q*3,Eb4,1.8,0.75);
bg.push({t:s+q*3,f:Eb4,d:1.8,i:'choir',v:0.35});bg.push({t:s+q*3,f:G4,d:1.8,i:'choir',v:0.3});
bg.push({t:s,f:G3,d:0.2,i:'timpani',v:0.55});
mel.push({t:s,l:0},{t:s+q,l:0},{t:s+q*2,l:0},{t:s+q*3,l:3});
s=56.2;
tutti(s,F4,0.18,0.7);tutti(s+q,F4,0.18,0.7);tutti(s+q*2,F4,0.18,0.7);
tutti(s+q*3,D4,1.8,0.75);
bg.push({t:s+q*3,f:D4,d:1.8,i:'choir',v:0.35});bg.push({t:s+q*3,f:F4,d:1.8,i:'choir',v:0.3});
mel.push({t:s,l:1},{t:s+q,l:1},{t:s+q*2,l:1},{t:s+q*3,l:3});
// Ascending run with full orchestra
s=59.5;
[C4,D4,Eb4,F4,G4,Ab4,Bb4,C5,D5,Eb5,D5,C5,Bb4,Ab4,G4,F4].forEach(function(f,i){
var t2=s+i*e;
bg.push({t:t2,f:f,d:e*0.85,i:'strings',v:0.5});
bg.push({t:t2,f:f,d:e*0.85,i:'brass',v:0.3});
bg.push({t:t2,f:f*0.75,d:e*0.85,i:'strings',v:0.25});
});
[0,4,8,12].forEach(function(i){mel.push({t:s+i*e,l:[0,1,2,3][Math.floor(i/4)]});});
// === SECTION 8 (64-76s): FINAL MOTIF HAMMERING ===
s=64.0;
// Motif stated 3 times, each louder — whole orchestra
[[G4,Eb4,0.65],[G4,Eb4,0.72],[G4,Eb4,0.8]].forEach(function(m,mi){
var t2=s+mi*3.5;
tutti(t2,m[0],0.2,m[2]);tutti(t2+q,m[0],0.2,m[2]);tutti(t2+q*2,m[0],0.2,m[2]);
tutti(t2+q*3,m[1],2.0,m[2]);
bg.push({t:t2+q*3,f:m[1],d:2.0,i:'choir',v:m[2]*0.5});
bg.push({t:t2,f:G3,d:0.2,i:'timpani',v:m[2]*0.7});
mel.push({t:t2,l:0},{t:t2+q,l:0},{t:t2+q*2,l:0},{t:t2+q*3,l:3});
});
// === SECTION 9 (76-85s): FINAL CHORDS — cadence to the break ===
s=76.0;
[0,0.6,1.2,1.8,2.4,3.0,3.6,4.2].forEach(function(dt,i){
var t2=s+dt;
[C4,Eb4,G4].forEach(function(f){
bg.push({t:t2,f:f,d:0.5,i:'brass',v:0.7});
bg.push({t:t2,f:f,d:0.5,i:'strings',v:0.6});
});
bg.push({t:t2,f:C3,d:0.5,i:'bass',v:0.55});
bg.push({t:t2,f:C3,d:0.5,i:'timpani',v:0.65});
mel.push({t:t2,l:4});
});
// === SECTION 10 (81-87s): FINAL SUSTAINED CHORD — natural break ===
s=81.0;
[C4,Eb4,G4,C5].forEach(function(f){
bg.push({t:s,f:f,d:5.0,i:'brass',v:0.6});
bg.push({t:s,f:f,d:5.0,i:'strings',v:0.5});
bg.push({t:s,f:f,d:5.0,i:'choir',v:0.35});
});
bg.push({t:s,f:C3,d:4.0,i:'bass',v:0.5});
bg.push({t:s,f:C3,d:3.0,i:'timpani',v:0.55});
mel.push({t:s,l:4});
return {n:"Beethoven's 5th (Opening)",composer:"Beethoven",bpm:160,duration:88,isClassical:true,bg:bg,melody:mel};
})();
// ── Hall of the Mountain King ──
var hmk=(function(){
var bg=[],mel=[];
function orch(t,freq,dur,v,inst){bg.push({t:t,f:freq,d:dur,i:inst||'strings',v:v||0.3});}
var theme=[A3,B3,C4,D4,E4,C4,E4,D4,B3,D4,Db4,A3,Db4,A3];
var lanes=[0,1,2,0,1,2,1,0,3,0,1,3,1,3];
var t=0;
// Pass 1: Very slow, barely audible (creeping start)
var d0=0.55;
theme.forEach(function(f,i){
orch(t,f,d0*0.8,0.2,'woodwind');
mel.push({t:t,l:lanes[i]});t+=d0;
});
t+=0.5;
// Pass 2: Slow, a bit louder
var d1=0.45;
theme.forEach(function(f,i){
orch(t,f,d1*0.8,0.25,'woodwind');orch(t,f/2,d1*0.8,0.15,'bass');
mel.push({t:t,l:lanes[i]});t+=d1;
});
t+=0.4;
// Pass 3: Medium-slow, strings enter
var d2=0.35;
theme.forEach(function(f,i){
orch(t,f,d2*0.8,0.3,'strings');orch(t,f/2,d2*0.8,0.2,'bass');
mel.push({t:t,l:lanes[i]});t+=d2;
});
t+=0.35;
// Pass 4: Medium, strings + woodwind
var d3=0.27;
theme.forEach(function(f,i){
orch(t,f,d3*0.8,0.35,'strings');orch(t,f,d3*0.8,0.2,'woodwind');
orch(t,f/2,d3*0.8,0.25,'bass');mel.push({t:t,l:lanes[i]});t+=d3;
});
t+=0.3;
// Pass 5: Medium-fast, add brass
var d4=0.21;
theme.forEach(function(f,i){
orch(t,f,d4*0.8,0.4,'strings');orch(t,f,d4*0.8,0.25,'brass');
orch(t,f/2,d4*0.8,0.3,'bass');mel.push({t:t,l:lanes[i]});t+=d4;
});
t+=0.25;
// Pass 6: Fast, full orchestra
var d5=0.16;
theme.forEach(function(f,i){
orch(t,f,d5*0.8,0.5,'strings');orch(t,f,d5*0.8,0.35,'brass');
orch(t,f/2,d5*0.8,0.35,'bass');
if(i%4===0)bg.push({t:t,f:A3/2,d:0.3,i:'timpani',v:0.45});
mel.push({t:t,l:lanes[i]});t+=d5;
});
t+=0.2;
// Pass 7: Very fast, frantic
var d6=0.12;
theme.forEach(function(f,i){
orch(t,f,d6*0.8,0.6,'strings');orch(t,f,d6*0.8,0.45,'brass');
orch(t,f/2,d6*0.8,0.4,'bass');
if(i%2===0)bg.push({t:t,f:A3/2,d:0.2,i:'timpani',v:0.55});
mel.push({t:t,l:lanes[i]});t+=d6;
});
t+=0.15;
// Pass 8: Extremely fast, maximum intensity
var d7=0.095;
theme.forEach(function(f,i){
orch(t,f,d7*0.8,0.65,'strings');orch(t,f,d7*0.8,0.5,'brass');
orch(t,f/2,d7*0.8,0.45,'bass');
bg.push({t:t,f:A3/2,d:0.15,i:'timpani',v:0.6});
mel.push({t:t,l:lanes[i]});t+=d7;
});
// Big finale: repeated chords
t+=0.15;
for(var ci=0;ci<4;ci++){
var t2=t+ci*0.4;
[A3,C4,E4,A4].forEach(function(f){
orch(t2,f,0.35,0.65,'brass');orch(t2,f,0.35,0.55,'strings');
});
bg.push({t:t2,f:A3/2,d:0.4,i:'timpani',v:0.65});
mel.push({t:t2,l:4});
}
// Final long chord
t=t+1.8;
[A3,C4,E4,A4].forEach(function(f){
orch(t,f,2.0,0.6,'brass');orch(t,f,2.0,0.5,'strings');
});
bg.push({t:t,f:A3/2,d:1.5,i:'timpani',v:0.7});
mel.push({t:t,l:4});
return {n:"Hall of the Mountain King",composer:"Grieg",bpm:120,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── O Fortuna (Carmina Burana) ──
// ~90 seconds, conductor style with continuous harmonic bed, SATB choir, tutti hits
// D minor, 3/4 time. Lead-sheet structure with tempo changes throughout.
var ofort=(function(){
var bg=[],mel=[],t=0;
// === HELPERS ===
// Full orchestral hit (strings + brass + bass)
function tutti(time,freq,dur,v){
bg.push({t:time,f:freq,d:dur,i:'strings',v:v});
bg.push({t:time,f:freq,d:dur,i:'brass',v:v*0.6});
bg.push({t:time,f:freq*0.75,d:dur,i:'strings',v:v*0.35});
if(freq>200)bg.push({t:time,f:freq/2,d:dur,i:'bass',v:v*0.5});
}
// SATB choir voicing (soprano + alto + tenor)
function choir4(time,sop,alt,ten,dur,v){
bg.push({t:time,f:sop,d:dur,i:'choir',v:v});
bg.push({t:time,f:alt,d:dur,i:'choir',v:v*0.85});
bg.push({t:time,f:ten,d:dur,i:'choir',v:v*0.7});
}
// Simple choir unison/octave
function choir1(time,freq,dur,v){
bg.push({t:time,f:freq,d:dur,i:'choir',v:v});
bg.push({t:time,f:freq/2,d:dur*0.9,i:'choir',v:v*0.5});
}
// Timpani hit
function timp(time,v){bg.push({t:time,f:D3,d:0.5,i:'timpani',v:v||0.5});}
// === CONTINUOUS HARMONIC BED (sustained string chords throughout) ===
var harmony=[
[0,6,[D4,F4,A4],0.18], // Dm - opening ff
[6,18,[D4,F4,A4],0.1], // Dm - pp soft verse
[18,30,[D4,F4,A4],0.1], // Dm - pp continued
[30,42,[G3,Bb3,D4],0.14], // Gm - building mp
[42,54,[D4,F4,A4],0.18], // Dm - dramatic
[54,64,[A3,D4,F4],0.2], // Dm inv - forte return
[64,76,[D4,F4,A4],0.25], // Dm - ff marcato
[76,88,[D4,F4,A4],0.3], // Dm - fff climax
[88,95,[D4,F4,A4],0.25] // Dm - finale
];
harmony.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=1.8){
h[2].forEach(function(f){
bg.push({t:ht,f:f,d:1.7,i:'strings',v:h[3]});
});
bg.push({t:ht,f:h[2][0]/2,d:1.7,i:'bass',v:h[3]*0.6});
if(h[3]>0.15)bg.push({t:ht,f:h[2][1],d:1.7,i:'woodwind',v:h[3]*0.4});
}
});
// === SECTION 1 (0-6s): "O Fortuna" — ff, half=60, bold opening ===
// 3/4 time, half note = 60 → quarter = 0.5s
var q1=0.5;
// "O For-tu-na, ve-lut Lu-na, sta-tu va-ri-a-bi-lis"
// Big unison D, then choral declamation
var s1notes=[D4,D4,D4,D4, A3,A3,Bb3,Bb3, A3,A3,G3,A3];
var s1durs= [q1,q1,q1,q1*2, q1,q1*2,q1,q1*2, q1,q1,q1,q1*2];
var s1lanes=[0,0,0,0, 1,1,2,2, 1,1,3,1];
t=0;
s1notes.forEach(function(f,i){
choir4(t,f,f>A3?D4:f,f>C4?A3:f*0.75,s1durs[i]*0.9,0.55);
tutti(t,f,s1durs[i]*0.85,0.5);
if(s1durs[i]>=q1*2)timp(t,0.55);
mel.push({t:t,l:s1lanes[i]});
t+=s1durs[i];
});
// === SECTION 2 (6-18s): "semper crescis aut decrescis" — pp, half=132, soft pairs ===
// half=132 → quarter = ~0.227s
var q2=0.227;
t=6.5;
// Running strings background texture (not hittable)
for(var ri=0;ri<50;ri++){
var rf=[D4,F4,A4,F4,D4,E4,F4,G4,A4,G4,F4,E4,D4,C4,Bb3,A3][ri%16];
bg.push({t:t+ri*q2,f:rf,d:q2*0.8,i:'strings',v:0.12});
}
// Soft choral pairs — only accents are hittable
// "sem-per cres-cis aut de-cres-cis"
var s2notes=[D4,E4, F4,E4, D4,C4, D4,D4];
var s2durs= [q2*2,q2*2, q2*2,q2*2, q2*2,q2*2, q2*2,q2*4];
var s2lanes=[0,1, 2,1, 0,3, 0,0];
s2notes.forEach(function(f,i){
choir1(t,f,s2durs[i]*0.9,0.3);
bg.push({t:t,f:f,d:s2durs[i]*0.85,i:'woodwind',v:0.18});
mel.push({t:t,l:s2lanes[i]});
t+=s2durs[i];
});
// "vi-ta de-tes-ta-bi-lis"
t+=q2;
var s2b=[A3,Bb3,A3,G3,A3,Bb3,C4,D4];
var s2bd=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s2bl=[1,2,1,3,1,2,0,0];
s2b.forEach(function(f,i){
choir1(t,f,s2bd[i]*0.9,0.3);
bg.push({t:t,f:f,d:s2bd[i]*0.85,i:'woodwind',v:0.18});
mel.push({t:t,l:s2bl[i]});
t+=s2bd[i];
});
// === SECTION 3 (18-30s): "nunc obdurat et tunc curat" — pp, same tempo ===
t=18.5;
// Running string texture
for(var ri2=0;ri2<52;ri2++){
var rf2=[A3,C4,D4,F4,E4,D4,C4,Bb3,A3,G3,A3,Bb3,C4,D4,E4,F4][ri2%16];
bg.push({t:t+ri2*q2,f:rf2,d:q2*0.8,i:'strings',v:0.13});
}
// "nunc ob-du-rat et tunc cu-rat"
var s3a=[D4,D4,E4,F4,E4,D4,C4,D4];
var s3ad=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s3al=[0,0,1,2,1,0,3,0];
s3a.forEach(function(f,i){
choir1(t,f,s3ad[i]*0.9,0.32);
bg.push({t:t,f:f,d:s3ad[i]*0.85,i:'woodwind',v:0.2});
mel.push({t:t,l:s3al[i]});
t+=s3ad[i];
});
// "lu-do men-tis a-ci-em"
t+=q2;
var s3b=[A3,Bb3,C4,Bb3,A3,G3,A3];
var s3bd=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s3bl=[1,2,0,2,1,3,1];
s3b.forEach(function(f,i){
choir1(t,f,s3bd[i]*0.9,0.32);
mel.push({t:t,l:s3bl[i]});
t+=s3bd[i];
});
// === SECTION 4 (30-42s): "egestatem potestatem" — building mp ===
t=30.5;
// Strings now more active
for(var ri3=0;ri3<52;ri3++){
var rf3=[D4,F4,A4,D5,A4,F4,D4,F4,G4,Bb4,G4,F4,E4,D4,C4,Bb3][ri3%16];
bg.push({t:t+ri3*q2,f:rf3,d:q2*0.8,i:'strings',v:0.18});
}
// "e-ges-ta-tem po-tes-ta-tem"
var s4a=[D4,E4,F4,G4,A4,G4,F4,E4];
var s4ad=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s4al=[0,1,2,3,0,3,2,1];
s4a.forEach(function(f,i){
choir4(t,f,f>D4?D4:f,f>C4?A3:f*0.75,s4ad[i]*0.9,0.4);
bg.push({t:t,f:f,d:s4ad[i]*0.85,i:'brass',v:0.15});
if(i%4===0)timp(t,0.35);
mel.push({t:t,l:s4al[i]});
t+=s4ad[i];
});
// "dis-sol-vit ut gla-ci-em"
t+=q2;
var s4b=[F4,E4,D4,C4,D4,E4,D4];
var s4bd=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s4bl=[2,1,0,3,0,1,0];
s4b.forEach(function(f,i){
choir4(t,f,D4,A3,s4bd[i]*0.9,0.42);
bg.push({t:t,f:f/2,d:s4bd[i]*0.85,i:'bass',v:0.25});
if(s4bd[i]>=q2*4)timp(t,0.4);
mel.push({t:t,l:s4bl[i]});
t+=s4bd[i];
});
// === SECTION 5 (42-54s): "Sors immanis et inanis" — dramatic ===
t=42.5;
// Running strings more intense
for(var ri4=0;ri4<52;ri4++){
var rf4=[D4,A4,F4,D4,G4,Bb4,G4,D4,A4,D5,A4,F4,E4,D4,C4,D4][ri4%16];
bg.push({t:t+ri4*q2,f:rf4,d:q2*0.8,i:'strings',v:0.22});
}
// "Sors im-ma-nis et in-a-nis"
var s5a=[A4,A4,G4,F4,E4,F4,G4,A4];
var s5ad=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s5al=[0,0,3,2,1,2,3,0];
s5a.forEach(function(f,i){
choir4(t,f,D4,A3,s5ad[i]*0.9,0.5);
tutti(t,f,s5ad[i]*0.85,0.3);
if(i%2===0)timp(t,0.45);
mel.push({t:t,l:s5al[i]});
t+=s5ad[i];
});
// "ro-ta tu vo-lu-bi-lis"
t+=q2;
var s5b=[D5,C5,Bb4,A4,G4,F4,E4,D4];
var s5bd=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s5bl=[4,0,2,1,3,2,1,0];
s5b.forEach(function(f,i){
choir4(t,f,F4,D4,s5bd[i]*0.9,0.52);
tutti(t,f,s5bd[i]*0.85,0.32);
if(i===0||i===4)timp(t,0.5);
mel.push({t:t,l:s5bl[i]});
t+=s5bd[i];
});
// === SECTION 6 (54-64s): More verses — "status malus" continuing pattern ===
t=54.5;
for(var ri5=0;ri5<44;ri5++){
var rf5=[D4,F4,A4,D5,C5,Bb4,A4,G4,F4,E4,D4,C4,Bb3,A3,C4,D4][ri5%16];
bg.push({t:t+ri5*q2,f:rf5,d:q2*0.8,i:'strings',v:0.2});
}
// Rising phrase "ve-rum est quod le-gi-tur"
var s6a=[D4,F4,A4,Bb4,A4,G4,F4,G4,A4,Bb4,C5,D5];
var s6ad=[q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*2,q2*4];
var s6al=[0,2,0,2,1,3,2,3,1,2,0,4];
s6a.forEach(function(f,i){
choir4(t,f,f>D4?D4:f,A3,s6ad[i]*0.9,0.48);
bg.push({t:t,f:f,d:s6ad[i]*0.85,i:'brass',v:0.22});
bg.push({t:t,f:f/2,d:s6ad[i]*0.85,i:'bass',v:0.3});
if(i%3===0)timp(t,0.42);
mel.push({t:t,l:s6al[i]});
t+=s6ad[i];
});
// === SECTION 7 (64-76s): "Sors salutis et virtutis" — f, half=144, marcato ===
// half=144 → quarter = ~0.208s
var q3=0.208;
t=64.5;
// Driving string ostinato
for(var ri6=0;ri6<56;ri6++){
var rf6=[D4,A4,D4,A4,F4,A4,F4,A4][ri6%8];
bg.push({t:t+ri6*q3,f:rf6,d:q3*0.75,i:'strings',v:0.25});
}
// Marcato choral accents
// "Sors sa-lu-tis et vir-tu-tis mi-chi nunc con-tra-ri-a"
var s7a=[D4,D4,E4,F4, E4,D4,C4,D4, A4,G4,F4,E4, D4,E4,F4,D4];
var s7ad=[q3*2,q3*2,q3*2,q3*2, q3*2,q3*2,q3*2,q3*4, q3*2,q3*2,q3*2,q3*2, q3*2,q3*2,q3*2,q3*4];
var s7al=[0,0,1,2, 1,0,3,0, 0,3,2,1, 0,1,2,4];
s7a.forEach(function(f,i){
choir4(t,f,f>D4?D4:f,f>C4?A3:D3,s7ad[i]*0.85,0.55);
tutti(t,f,s7ad[i]*0.8,0.45);
if(i%4===0)timp(t,0.5);
mel.push({t:t,l:s7al[i]});
t+=s7ad[i];
});
// "est af-fec-tus et de-fec-tus"
t+=q3;
var s7b=[A4,Bb4,A4,G4,F4,G4,A4,D4];
var s7bd=[q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*4];
var s7bl=[0,2,1,3,2,3,1,4];
s7b.forEach(function(f,i){
choir4(t,f,D4,A3,s7bd[i]*0.85,0.58);
tutti(t,f,s7bd[i]*0.8,0.48);
if(i%2===0)timp(t,0.52);
mel.push({t:t,l:s7bl[i]});
t+=s7bd[i];
});
// === SECTION 8 (76-88s): "Hac in hora sine mora" — ff, climax ===
// "corde pulsum tangite; quod per sortem sternit fortem mecum omnes plangite!"
t=76.5;
// Furious string tremolo
for(var ri7=0;ri7<60;ri7++){
var rf7=[D4,F4,A4,D5,A4,F4,D4,F4,A4,D5,F5,D5,A4,F4,D4,A3][ri7%16];
bg.push({t:t+ri7*q3,f:rf7,d:q3*0.7,i:'strings',v:0.3});
if(ri7%4===0)bg.push({t:t+ri7*q3,f:rf7*0.5,d:q3*2,i:'bass',v:0.25});
}
// "Hac in ho-ra si-ne mo-ra cor-de pul-sum tan-gi-te"
var s8a=[D5,D5,C5,Bb4,A4,G4,A4,Bb4,A4,G4,F4,E4,D4];
var s8ad=[q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*4];
var s8al=[4,4,0,2,1,3,1,2,1,3,2,1,0];
s8a.forEach(function(f,i){
choir4(t,f,f>D4?F4:f,f>C4?D4:A3,s8ad[i]*0.85,0.65);
tutti(t,f,s8ad[i]*0.8,0.55);
timp(t,0.55);
mel.push({t:t,l:s8al[i]});
t+=s8ad[i];
});
// "quod per sor-tem ster-nit for-tem"
t+=q3;
var s8b=[A4,Bb4,C5,D5,C5,Bb4,A4,G4];
var s8bd=[q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*2,q3*4];
var s8bl=[1,2,0,4,0,2,1,3];
s8b.forEach(function(f,i){
choir4(t,f,D4,A3,s8bd[i]*0.85,0.68);
tutti(t,f,s8bd[i]*0.8,0.58);
timp(t,0.58);
mel.push({t:t,l:s8bl[i]});
t+=s8bd[i];
});
// "me-cum om-nes plan-gi-te!"
t+=q3;
var s8c=[A4,A4,Bb4,A4,D5,D5,D4];
var s8cd=[q3*2,q3*2,q3*2,q3*2,q3*3,q3*3,q3*6];
var s8cl=[0,1,2,1,4,4,0];
s8c.forEach(function(f,i){
choir4(t,f,f>D4?F4:f,f>C4?D4:A3,s8cd[i]*0.85,0.72);
tutti(t,f,s8cd[i]*0.8,0.62);
timp(t,0.62);
mel.push({t:t,l:s8cl[i]});
t+=s8cd[i];
});
// === SECTION 9 (88-95s): Final sustained chords — fff, half=160 ===
t=88.5;
// Massive repeated D minor chords
var finQ=0.4;
for(var fc=0;fc<8;fc++){
var ft=t+fc*finQ;
[D4,F4,A4,D5].forEach(function(f){
bg.push({t:ft,f:f,d:finQ*0.85,i:'choir',v:0.7});
bg.push({t:ft,f:f,d:finQ*0.85,i:'brass',v:0.6});
bg.push({t:ft,f:f,d:finQ*0.85,i:'strings',v:0.55});
});
bg.push({t:ft,f:D3,d:finQ*0.85,i:'bass',v:0.55});
timp(ft,0.65);
mel.push({t:ft,l:4});
}
// Final sustained Dm chord
t=t+8*finQ+0.3;
[D4,F4,A4,D5].forEach(function(f){
bg.push({t:t,f:f,d:4.0,i:'choir',v:0.65});
bg.push({t:t,f:f,d:4.0,i:'brass',v:0.55});
bg.push({t:t,f:f,d:4.0,i:'strings',v:0.5});
});
bg.push({t:t,f:D3,d:3.5,i:'bass',v:0.55});
bg.push({t:t,f:D3,d:3.0,i:'timpani',v:0.6});
mel.push({t:t,l:4});
return {n:"O Fortuna",composer:"Orff",bpm:120,duration:Math.ceil(t+4.5),isClassical:true,bg:bg,melody:mel};
})();
// Theme-variation helper: repeats a theme across passes with growing intensity
function tp(name,comp,bpm,th,ln,passes,br){
var bg=[],mel=[],t=0,root=th[0];
passes.forEach(function(p,pi){
th.forEach(function(f,ni){
bg.push({t:t,f:f,d:p.d*0.85,i:p.i,v:p.v});
if(pi>=Math.floor(passes.length*0.4))bg.push({t:t,f:f/2,d:p.d*0.85,i:'bass',v:p.v*0.4});
if(pi>=Math.floor(passes.length*0.6)){
bg.push({t:t,f:f,d:p.d*0.85,i:pi>=Math.floor(passes.length*0.75)?'brass':'strings',v:p.v*0.5});
if(ni%4===0)bg.push({t:t,f:root/2,d:0.25,i:'timpani',v:p.v*0.5});
}
mel.push({t:t,l:ln[ni%ln.length]});t+=p.d;
});
t+=0.35;
if(br&&pi===Math.floor(passes.length/2)-1){
br.forEach(function(bf){bg.push({t:t,f:bf,d:1.0,i:'brass',v:0.5});bg.push({t:t,f:bf,d:1.0,i:'strings',v:0.4});bg.push({t:t,f:root/2,d:0.8,i:'timpani',v:0.5});mel.push({t:t,l:4});t+=1.15;});
}
});
for(var c=0;c<3;c++){bg.push({t:t,f:root,d:0.4,i:'brass',v:0.65});bg.push({t:t,f:root*3/2,d:0.4,i:'brass',v:0.6});bg.push({t:t,f:root*2,d:0.4,i:'strings',v:0.55});bg.push({t:t,f:root/2,d:0.4,i:'timpani',v:0.6});mel.push({t:t,l:4});t+=0.5;}
bg.push({t:t,f:root,d:2.0,i:'brass',v:0.6});bg.push({t:t,f:root*2,d:2.0,i:'strings',v:0.5});bg.push({t:t,f:root/2,d:1.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:name,composer:comp,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
// ── Ride of the Valkyries ──
// Conductor-style: ~85s, Bb major, 9/8 galloping compound meter
// Famous ascending brass arpeggio Bb-D-F as hittable melody
var valk=(function(){
var bg=[],mel=[];
function tutti(time,freq,dur,v){
bg.push({t:time,f:freq,d:dur,i:'strings',v:v});
bg.push({t:time,f:freq,d:dur,i:'brass',v:v*0.6});
bg.push({t:time,f:freq*0.75,d:dur,i:'strings',v:v*0.35});
if(freq>200)bg.push({t:time,f:freq/2,d:dur,i:'bass',v:v*0.5});
}
function timp(time,v){bg.push({t:time,f:Bb3,d:0.5,i:'timpani',v:v||0.5});}
// Galloping rhythm constants (9/8 compound: groups of 3 eighths)
var e8=0.22,q=0.44,dq=0.66; // eighth, quarter, dotted-quarter
// === CONTINUOUS HARMONIC BED ===
var harmony=[
[0,5,[Bb3,D4,F4],0.06], // Bb - intro tremolo
[5,17,[Bb3,D4,F4],0.12], // Bb - first horn call
[17,29,[Bb3,D4,F4],0.16], // Bb - second statement
[29,41,[Bb3,Eb4,G4],0.14], // Eb - development
[41,53,[Bb3,D4,F4],0.2], // Bb - recapitulation
[53,65,[Bb3,D4,F4],0.25], // Bb - climax
[65,78,[Bb3,D4,F4],0.18], // Bb - final
[78,88,[Bb3,D4,F4],0.12] // Bb - coda
];
harmony.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=1.8){
h[2].forEach(function(f){
bg.push({t:ht,f:f,d:1.7,i:'strings',v:h[3]});
});
bg.push({t:ht,f:h[2][0]/2,d:1.7,i:'bass',v:h[3]*0.5});
if(h[3]>0.15)bg.push({t:ht,f:h[2][1],d:1.7,i:'brass',v:h[3]*0.35});
}
});
// Helper: play the galloping arpeggio (ascending Bb-D-F-Bb)
// notes/lanes/mode control what plays and how loud
function gallop(t0,notes,lanes,v,withTutti){
var gt=t0;
notes.forEach(function(n,i){
var d=(i===notes.length-1)?dq:((i%3===0)?q:e8);
if(withTutti){
tutti(gt,n,d*0.85,v);
bg.push({t:gt,f:n,d:d*0.85,i:'brass',v:v*0.7});
}else{
bg.push({t:gt,f:n,d:d*0.85,i:'brass',v:v});
bg.push({t:gt,f:n,d:d*0.85,i:'strings',v:v*0.5});
}
mel.push({t:gt,l:lanes[i]});
gt+=d;
});
return gt;
}
// === SECTION 1 (0-5s): INTRODUCTION — string tremolo building ===
var t=0;
// Low string tremolo (background, not hittable)
for(var ri=0;ri<40;ri++){
var rf=[Bb3,F3,D3,F3,Bb3,F3,D3,F3][ri%8];
bg.push({t:ri*0.12,f:rf,d:0.11,i:'strings',v:0.06+ri*0.003});
}
// Low brass pedal tones
for(var bi=0;bi<3;bi++){
bg.push({t:bi*1.8,f:Bb3,d:1.6,i:'brass',v:0.06+bi*0.02});
}
// Timpani roll building
for(bi=0;bi<6;bi++){
timp(0.5+bi*0.7,0.15+bi*0.04);
}
// Sparse hittable timpani hits — building anticipation
mel.push({t:1.5,l:4});mel.push({t:3.0,l:4});mel.push({t:4.2,l:4});
t=5.0;
// === SECTION 2 (5-17s): FIRST HORN CALL — p to mf ===
// The famous galloping ascending arpeggio: Bb-Bb-D, D-D-F, F
// String tremolo continues underneath
var s2s=t;
for(ri=0;ri<55;ri++){
rf=[Bb3,D4,Bb3,F3,Bb3,D4,F4,D4][ri%8];
bg.push({t:s2s+ri*e8,f:rf,d:e8*0.8,i:'strings',v:0.1});
}
// First statement: ascending Bb-D-F (soft, horns entering)
// Bb(q) Bb(e8) D(e8) | D(q) D(e8) F(e8) | F(dq)
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.3,false);
t+=0.3;
// Descending: Bb(q) F(e8) D(e8) | Bb(q) D(e8) F(e8) | Bb(dq)
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.32,false);
t+=0.4;
// Second statement: louder, with woodwind doubling
var s2b=t;
for(ri=0;ri<55;ri++){
rf=[F4,D4,Bb3,D4,F4,Bb4,F4,D4][ri%8];
bg.push({t:s2b+ri*e8,f:rf,d:e8*0.8,i:'woodwind',v:0.08});
}
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.38,false);
t+=0.3;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.4,false);
t+=0.5;
// === SECTION 3 (17-29s): SECOND STATEMENT — mf to f, full brass ===
var s3s=t;
for(ri=0;ri<55;ri++){
rf=[Bb3,F4,D4,Bb3,F3,Bb3,D4,F4][ri%8];
bg.push({t:s3s+ri*e8,f:rf,d:e8*0.8,i:'strings',v:0.14});
}
// Woodwind sustained chords (background)
for(bi=0;bi<6;bi++){
[Bb3,D4,F4].forEach(function(f){
bg.push({t:s3s+bi*2.0,f:f,d:1.8,i:'woodwind',v:0.12});
});
}
// Horn call with tutti orchestration now
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.45,true);
t+=0.3;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.48,true);
t+=0.4;
// Repeat with kick accents on downbeats
timp(t,0.5);mel.push({t:t,l:4});t+=dq;
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.5,true);
t+=0.3;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.52,true);
t+=0.5;
// === SECTION 4 (29-41s): DEVELOPMENT — new key, Eb major ===
// Modulation to Eb, secondary melodic material
var s4s=t;
for(ri=0;ri<55;ri++){
rf=[Eb4,G4,Bb4,G4,Eb4,Bb3,Eb4,G4][ri%8];
bg.push({t:s4s+ri*e8,f:rf,d:e8*0.8,i:'strings',v:0.14});
}
for(bi=0;bi<6;bi++){
[Eb4,G4,Bb4].forEach(function(f){
bg.push({t:s4s+bi*2.0,f:f,d:1.8,i:'brass',v:0.12});
});
bg.push({t:s4s+bi*2.0,f:Eb4/2,d:1.8,i:'bass',v:0.15});
}
// Eb major arpeggio: Eb-Eb-G, G-G-Bb, Bb
t=gallop(t,[Eb4,Eb4,G4, G4,G4,Bb4, Bb4],[2,2,3, 3,3,0, 0],0.45,true);
t+=0.3;
t=gallop(t,[Bb4,G4,Eb4, G4,Eb4,Bb3, Eb4],[0,3,2, 3,2,1, 2],0.48,true);
t+=0.4;
// Back to Bb major with added power
timp(t,0.55);mel.push({t:t,l:4});t+=dq;
t=gallop(t,[Bb3,D4,F4, Bb4,F4,D4, Bb3],[0,1,2, 3,2,1, 0],0.5,true);
t+=0.3;
// Chromatic passage — building tension
[[C4,0],[D4,1],[Eb4,2],[E4,2],[F4,3]].forEach(function(n){
tutti(t,n[0],q*0.85,0.48);
bg.push({t:t,f:n[0],d:q*0.85,i:'brass',v:0.45});
mel.push({t:t,l:n[1]});t+=q;
});
tutti(t,F4,dq*0.85,0.52);mel.push({t:t,l:4});timp(t,0.55);t+=dq+0.5;
// === SECTION 5 (41-53s): RECAPITULATION — ff, full orchestra ===
var s5s=t;
for(ri=0;ri<55;ri++){
rf=[Bb3,D4,F4,Bb4,F4,D4,Bb3,F3][ri%8];
bg.push({t:s5s+ri*e8,f:rf,d:e8*0.8,i:'strings',v:0.18});
if(ri%4===0)bg.push({t:s5s+ri*e8,f:rf*0.5,d:e8*2,i:'brass',v:0.1});
}
for(bi=0;bi<6;bi++){
bg.push({t:s5s+bi*2.0,f:Bb3/2,d:1.8,i:'bass',v:0.22});
timp(s5s+bi*2.0,0.4);
}
// Full fff horn call — massive tutti
timp(t,0.6);mel.push({t:t,l:4});t+=dq;
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.6,true);
t+=0.25;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.62,true);
t+=0.35;
// Repeat — even louder
timp(t,0.65);mel.push({t:t,l:4});t+=dq;
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.65,true);
t+=0.25;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.68,true);
t+=0.5;
// === SECTION 6 (53-65s): CLIMAX — fff, maximum intensity ===
var s6s=t;
// Massive tremolo
for(ri=0;ri<60;ri++){
rf=[Bb3,D4,F4,Bb4,D5,Bb4,F4,D4][ri%8];
bg.push({t:s6s+ri*e8,f:rf,d:e8*0.8,i:'strings',v:0.2});
if(ri%3===0)bg.push({t:s6s+ri*e8,f:rf*0.5,d:e8*1.5,i:'brass',v:0.15});
}
for(bi=0;bi<7;bi++){
bg.push({t:s6s+bi*1.6,f:Bb3/2,d:1.4,i:'bass',v:0.28});
timp(s6s+bi*1.6,0.5);
}
// Rapid repeated gallops — faster, more intense
var fe8=0.18,fq=0.36,fdq=0.54; // faster tempo
// Ascending blast
[Bb3,D4,F4,Bb4].forEach(function(f,i){
tutti(t,f,fq*0.85,0.7);
bg.push({t:t,f:f,d:fq*0.85,i:'brass',v:0.65});
mel.push({t:t,l:i});t+=fq;
});
timp(t,0.65);mel.push({t:t,l:4});t+=fdq;
// Descending
[Bb4,F4,D4,Bb3].forEach(function(f,i){
tutti(t,f,fq*0.85,0.7);
bg.push({t:t,f:f,d:fq*0.85,i:'brass',v:0.65});
mel.push({t:t,l:[3,2,1,0][i]});t+=fq;
});
timp(t,0.65);mel.push({t:t,l:4});t+=fdq;
// Full speed gallop x2
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.7,true);
t+=0.2;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.72,true);
t+=0.3;
// One more ascending blast
[Bb3,D4,F4,Bb4,D5].forEach(function(f,i){
tutti(t,f,fe8*0.85,0.72);
bg.push({t:t,f:f,d:fe8*0.85,i:'brass',v:0.7});
mel.push({t:t,l:[0,1,2,3,4][i]});t+=fe8;
});
t+=0.5;
// === SECTION 7 (65-78s): SUSTAINED POWER — massive held chords ===
// Big chord hits with space between them
var chords=[[Bb3,D4,F4,Bb4],[Eb4,G4,Bb4,Eb5],[F4,A4,C5,F5],[Bb3,D4,F4,Bb4],
[Bb3,D4,F4,Bb4],[Eb4,G4,Bb4,Eb5],[F4,A4,C5,F5],[Bb3,D4,F4,D5]];
chords.forEach(function(ch,ci){
var ct=t+ci*1.5;
ch.forEach(function(f){
bg.push({t:ct,f:f,d:1.3,i:'brass',v:0.6});
bg.push({t:ct,f:f,d:1.3,i:'strings',v:0.5});
});
bg.push({t:ct,f:ch[0]/2,d:1.3,i:'bass',v:0.45});
timp(ct,0.6);
mel.push({t:ct,l:4});
// Add the gallop rhythm between chords
if(ci<7){
mel.push({t:ct+0.5,l:ci%2===0?0:2});
bg.push({t:ct+0.5,f:ch[1],d:0.3,i:'brass',v:0.4});
mel.push({t:ct+0.9,l:ci%2===0?1:3});
bg.push({t:ct+0.9,f:ch[2],d:0.3,i:'brass',v:0.4});
}
});
t+=chords.length*1.5+0.5;
// === SECTION 8 (78-88s): FINAL CODA ===
// Last galloping statement — triumphant
timp(t,0.7);mel.push({t:t,l:4});t+=dq;
t=gallop(t,[Bb3,Bb3,D4, D4,D4,F4, F4],[0,0,1, 1,1,2, 2],0.7,true);
t+=0.2;
t=gallop(t,[Bb4,F4,D4, Bb3,D4,F4, Bb4],[3,2,1, 0,1,2, 3],0.72,true);
t+=0.4;
// Final massive Bb major chord
[Bb3,D4,F4,Bb4,D5,F5].forEach(function(f){
bg.push({t:t,f:f,d:5.0,i:'brass',v:0.6});
bg.push({t:t,f:f,d:5.0,i:'strings',v:0.5});
});
bg.push({t:t,f:Bb3/2,d:4.0,i:'bass',v:0.55});
bg.push({t:t,f:Bb3,d:3.5,i:'timpani',v:0.65});
mel.push({t:t,l:4});
return {n:"Ride of the Valkyries",composer:"Wagner",bpm:140,duration:Math.ceil(t+5),isClassical:true,bg:bg,melody:mel};
})();
// ── William Tell Overture (Gallop) ──
// The famous finale gallop in G major, ~70s
// Trumpet fanfare → galloping theme → accelerating coda
var tell=(function(){
var bg=[],mel=[],t=0,q=60/152;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});}
function tutti(t,f,d,v){str(t,f,d,v);brs(t,f,d,(v||0.4)*0.7);bg.push({t:t,f:f/2,d:d,i:'bass',v:(v||0.4)*0.4});}
// Harmonic bed
var harm=[
[0,8,[G3,B3,D4],0.12],[8,20,[G3,B3,D4],0.15],[20,32,[G3,B3,D4],0.18],
[32,44,[C4,E4,G4],0.16],[44,56,[G3,B3,D4],0.2],[56,72,[G3,B3,D4],0.22]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:1.9,i:'strings',v:h[3]});});
bg.push({t:ht,f:h[2][0]/2,d:1.9,i:'bass',v:h[3]*0.5});
}
});
// === SECTION 1 (0-8s): Trumpet fanfare intro ===
// Galloping triplet rhythm on trumpet: da-da-DUM da-da-DUM
var trip=q/3;
for(var fi=0;fi<4;fi++){
var ft=fi*q*2;
brs(ft,D5,trip*0.8,0.45);brs(ft+trip,D5,trip*0.8,0.45);brs(ft+trip*2,G4,q*0.8,0.5);
mel.push({t:ft,l:0},{t:ft+trip,l:0},{t:ft+trip*2,l:3});
}
t=q*8;
// Sustained trumpet call
brs(t,D5,q*2,0.5);brs(t,B4,q*2,0.45);mel.push({t:t,l:1});
t+=q*2.5;
brs(t,G4,q*3,0.55);brs(t,D4,q*3,0.5);bg.push({t:t,f:G3,d:q*2,i:'timpani',v:0.4});mel.push({t:t,l:3});
t=8;
// === SECTION 2 (8-20s): Main galloping theme ===
// The famous melody: G-G-B | G-G-B | D-D-B-G | E-G-B-D-B-G
var gallop1=[
[G4,trip,0],[G4,trip,0],[B4,q,3],
[G4,trip,0],[G4,trip,0],[B4,q,3],
[D5,trip,1],[D5,trip,1],[B4,q*0.7,3],[G4,q*0.7,0],
[E4,q*0.7,2],[G4,trip,0],[B4,trip,3],[D5,q,1],[B4,trip,3],[G4,q,0]
];
for(var rep=0;rep<3;rep++){
var v1=0.35+rep*0.08;
gallop1.forEach(function(n){
tutti(t,n[0],n[1]*0.85,v1);
mel.push({t:t,l:n[2]});
t+=n[1];
});
t+=q*0.5;
}
// === SECTION 3 (20-32s): Contrasting lyrical phrase ===
// Strings take over with smoother melody
var lyric=[[B4,q*2,3],[A4,q,1],[G4,q,0],[A4,q*2,1],[B4,q*2,3],
[D5,q*2,1],[C5,q,2],[B4,q,3],[A4,q*2,1],[G4,q*2,0]];
for(var lr=0;lr<2;lr++){
var vl=0.4+lr*0.08;
lyric.forEach(function(n){
str(t,n[0],n[1]*0.9,vl);
if(lr>0)brs(t,n[0],n[1]*0.9,vl*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 4 (32-44s): Theme returns with full orchestra ===
for(var rep2=0;rep2<3;rep2++){
var v2=0.45+rep2*0.08;
gallop1.forEach(function(n){
tutti(t,n[0],n[1]*0.85,v2);
if(rep2>0)bg.push({t:t,f:n[0],d:n[1]*0.85,i:'brass',v:v2*0.5});
if(rep2>1&&n[2]===0)bg.push({t:t,f:G3,d:0.15,i:'timpani',v:v2*0.5});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
}
// === SECTION 5 (44-56s): Ascending fanfare + gallop intensifies ===
// Brass fanfare ascending
var fanfare=[[G4,0],[B4,3],[D5,1],[G5,3],[D5,1],[B4,3],[G4,0]];
for(var ff=0;ff<2;ff++){
fanfare.forEach(function(n){
brs(t,n[0],q*0.85,0.55);str(t,n[0],q*0.85,0.45);
mel.push({t:t,l:n[1]});t+=q;
});
bg.push({t:t,f:G3,d:0.4,i:'timpani',v:0.5});mel.push({t:t,l:4});t+=q*1.5;
}
// Double-time gallop
var dTrip=trip*0.8;
for(var dg=0;dg<4;dg++){
var vd=0.5+dg*0.04;
gallop1.slice(0,10).forEach(function(n){
tutti(t,n[0],n[1]*0.7,vd);mel.push({t:t,l:n[2]});t+=n[1]*0.8;
});
t+=q*0.3;
}
// === SECTION 6 (56-68s): Final gallop — full speed ===
for(var fg=0;fg<4;fg++){
var vf=0.55+fg*0.05;
gallop1.forEach(function(n){
tutti(t,n[0],n[1]*0.7,vf);
brs(t,n[0],n[1]*0.7,vf*0.6);
if(fg>1)bg.push({t:t,f:n[0],d:n[1]*0.7,i:'choir',v:vf*0.25});
mel.push({t:t,l:n[2]});t+=n[1]*0.75;
});
bg.push({t:t,f:G3,d:0.3,i:'timpani',v:vf*0.7});mel.push({t:t,l:4});t+=q*0.5;
}
// === FINALE: Big G major chords ===
for(var c=0;c<6;c++){
[G3,B3,D4,G4,B4,D5].forEach(function(f){brs(t,f,0.4,0.65);str(t,f,0.4,0.55);});
bg.push({t:t,f:G3/2,d:0.4,i:'timpani',v:0.65});mel.push({t:t,l:4});t+=0.5;
}
[G3,B3,D4,G4,B4,D5].forEach(function(f){brs(t,f,3.0,0.7);str(t,f,3.0,0.6);});
bg.push({t:t,f:G3/2,d:2.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"William Tell Overture (Gallop)",composer:"Rossini",bpm:152,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Bolero ──
// Ravel's Bolero in C major, ~90s
// Built around an endlessly repeating snare drum rhythm that crescendos
// The melody is stated by different instruments, each time louder
var bolero=(function(){
var bg=[],mel=[],t=0,q=60/72;
// The iconic Bolero snare rhythm: 3+3+3+3+2+2 pattern per bar
// ta-ta-ta ta-ta-ta ta-ta-ta ta-ta-ta ta-ta ta-ta
function snareBar(time,v){
var s=q/3;
for(var g=0;g<4;g++){
for(var n=0;n<3;n++){bg.push({t:time+g*q+n*s,f:300,d:0.05,i:'woodwind',v:v*0.3});}
}
// The two duplets at end
bg.push({t:time+q*4,f:300,d:0.05,i:'woodwind',v:v*0.35});
bg.push({t:time+q*4+q/2,f:300,d:0.05,i:'woodwind',v:v*0.35});
bg.push({t:time+q*5,f:300,d:0.05,i:'woodwind',v:v*0.35});
bg.push({t:time+q*5+q/2,f:300,d:0.05,i:'woodwind',v:v*0.35});
}
// Bolero Theme A (C major): C-D-E-F-E-D-E-C | E-C-D-C-B3-C-D-E-F-E-D-C
var themeA=[[C4,q,0],[D4,q,1],[E4,q*0.5,2],[F4,q*0.5,3],[E4,q*0.5,2],[D4,q*0.5,1],
[E4,q,2],[C4,q*2,0],
[E4,q*0.5,2],[C4,q*0.5,0],[D4,q*0.5,1],[C4,q*0.5,0],[B3,q*0.5,3],
[C4,q*0.5,0],[D4,q,1],[E4,q*0.5,2],[F4,q*0.5,3],[E4,q*0.5,2],[D4,q*0.5,1],[C4,q*2,0]];
// Bolero Theme B (chromatic inflection): C-D-Eb-D-C-D-Eb-F-Eb-D-C-Bb3-C
var themeB=[[C4,q,0],[D4,q*0.5,1],[Eb4,q*0.5,2],[D4,q*0.5,1],[C4,q*0.5,0],
[D4,q*0.5,1],[Eb4,q*0.5,2],[F4,q,3],[Eb4,q*0.5,2],[D4,q*0.5,1],
[C4,q,0],[Bb3,q,3],[C4,q*2,0]];
// Continuous harmonic bed — very sparse at first, grows
var harm=[
[0,20,[C3,G3,C4],0.06],[20,40,[C3,G3,C4],0.1],[40,60,[C3,G3,C4],0.15],
[60,80,[C3,G3,C4],0.2],[80,95,[C3,G3,E4],0.25]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=q*4){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:q*3.8,i:'strings',v:h[3]});});
}
});
// 7 statements of the theme, each louder with different instruments
var statements=[
{inst:'woodwind',v:0.18,theme:'A'}, // flute solo
{inst:'woodwind',v:0.22,theme:'A'}, // clarinet
{inst:'woodwind',v:0.28,theme:'B'}, // bassoon
{inst:'strings',v:0.35,theme:'A'}, // strings pizz
{inst:'strings',v:0.42,theme:'B'}, // strings arco
{inst:'brass',v:0.5,theme:'A'}, // brass
{inst:'brass',v:0.6,theme:'A'} // full orchestra
];
statements.forEach(function(st,si){
var barLen=q*6;
// Snare drum rhythm underneath
snareBar(t,0.1+si*0.06);
snareBar(t+barLen,0.1+si*0.06);
var theme=st.theme==='A'?themeA:themeB;
theme.forEach(function(n){
bg.push({t:t,f:n[0],d:n[1]*0.9,i:st.inst,v:st.v});
// Add harmony voices in later statements
if(si>=3)bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:st.v*0.4});
if(si>=4)bg.push({t:t,f:n[0]*1.5,d:n[1]*0.9,i:'strings',v:st.v*0.3});
if(si>=5){
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'strings',v:st.v*0.5});
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:st.v*0.25});
}
if(si>=6&&n[2]===0)bg.push({t:t,f:C3,d:0.2,i:'timpani',v:st.v*0.5});
mel.push({t:t,l:n[2]});
t+=n[1];
});
// Kick hit at end of each statement
bg.push({t:t,f:C3,d:0.3,i:'timpani',v:0.15+si*0.06});
mel.push({t:t,l:4});
t+=q*2;
});
// === FINALE: Modulation up + massive crescendo ===
// Theme in Db (up a half step) — the famous key change
var finaleTheme=[[Db4,q*0.8,0],[Eb4,q*0.4,1],[F4,q*0.4,3],[Eb4,q*0.4,1],[Db4,q*0.4,0],
[Eb4,q*0.8,1],[Db4,q*1.5,0]];
for(var fc=0;fc<2;fc++){
var fv=0.6+fc*0.08;
snareBar(t,0.4+fc*0.05);
finaleTheme.forEach(function(n){
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'brass',v:fv});
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'strings',v:fv*0.8});
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:fv*0.5});
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:fv*0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
bg.push({t:t,f:Db4/2,d:0.3,i:'timpani',v:fv*0.7});mel.push({t:t,l:4});t+=q;
}
// Final massive C chord
t+=q;
[C3,G3,C4,E4,G4,C5].forEach(function(f){
bg.push({t:t,f:f,d:3.5,i:'brass',v:0.7});bg.push({t:t,f:f,d:3.5,i:'strings',v:0.6});
bg.push({t:t,f:f,d:3.5,i:'choir',v:0.35});
});
bg.push({t:t,f:C3/2,d:3.0,i:'timpani',v:0.75});mel.push({t:t,l:4});
return {n:"Bolero",composer:"Ravel",bpm:72,duration:Math.ceil(t+4),isClassical:true,bg:bg,melody:mel};
})();
// ── Barber of Seville Overture ──
// Rossini's famous overture in E major, ~75s
// Quiet opening → crescendo string runs → the "Rossini crescendo"
var barber=(function(){
var bg=[],mel=[],t=0,q=60/144;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});}
// Harmonic bed
var harm=[
[0,12,[E3,G3,B3],0.08],[12,28,[E3,G3,B3],0.14],[28,44,[E3,G3,B3],0.18],
[44,56,[A3,C4,E4],0.16],[56,72,[E3,G3,B3],0.22],[72,80,[E3,G3,B3],0.25]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:1.9,i:'strings',v:h[3]});});
}
});
// === SECTION 1 (0-12s): Quiet pizzicato opening ===
// Tip-toeing melody, very soft
var pizz=[[E4,q,2],[E4,q*0.5,2],[G4,q*0.5,3],[B4,q,0],[G4,q*0.5,3],[E4,q*0.5,2],
[D4,q,1],[E4,q,2],[G4,q*0.5,3],[E4,q*0.5,2],[D4,q,1],[E4,q*2,2]];
for(var pr=0;pr<2;pr++){
var pv=0.2+pr*0.05;
pizz.forEach(function(n){
str(t,n[0],n[1]*0.4,pv); // short staccato for pizzicato feel
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 2 (12-28s): The famous "Rossini crescendo" ===
// Repeated motif that gets louder and louder
var crescMotif=[[E4,q*0.5,2],[E4,q*0.5,2],[G4,q*0.5,3],[G4,q*0.5,3],
[B4,q*0.5,0],[B4,q*0.5,0],[E5,q*0.5,2],[D5,q*0.5,1],
[B4,q*0.5,0],[G4,q*0.5,3],[E4,q,2]];
for(var cr=0;cr<4;cr++){
var cv=0.22+cr*0.08;
var ci=cr<2?'strings':cr<3?'brass':'brass';
crescMotif.forEach(function(n){
bg.push({t:t,f:n[0],d:n[1]*0.85,i:ci,v:cv});
if(cr>=1)str(t,n[0],n[1]*0.85,cv*0.6);
if(cr>=2)bg.push({t:t,f:n[0]/2,d:n[1]*0.85,i:'bass',v:cv*0.4});
if(cr>=3){brs(t,n[0],n[1]*0.85,cv*0.5);bg.push({t:t,f:n[0],d:n[1]*0.85,i:'choir',v:cv*0.2});}
mel.push({t:t,l:n[2]});t+=n[1];
});
// Punctuating chord
if(cr>=2){bg.push({t:t,f:E3,d:0.3,i:'timpani',v:cv*0.5});}
mel.push({t:t,l:4});t+=q*1.5;
}
// === SECTION 3 (28-44s): Running string passages ===
// Fast scalar runs — the hallmark of Rossini
var run1=[E4,G4,B4,E5,D5,B4,G4,E4,D4,E4,G4,B4,D5,E5,D5,B4];
var r1Ln=[2,3,0,2,1,0,3,2,1,2,3,0,1,2,1,0];
for(var rr=0;rr<3;rr++){
var rv=0.4+rr*0.06;
var rq=q*(0.5-rr*0.05); // speeds up each time
run1.forEach(function(f,i){
str(t,f,rq*0.85,rv);
if(rr>0)brs(t,f,rq*0.85,rv*0.4);
if(rr>1)bg.push({t:t,f:f/2,d:rq*0.85,i:'bass',v:rv*0.3});
mel.push({t:t,l:r1Ln[i]});t+=rq;
});
// Big chord punctuation
[E3,B3,E4,G4].forEach(function(f){brs(t,f,0.4,rv);str(t,f,0.4,rv*0.8);});
bg.push({t:t,f:E3/2,d:0.3,i:'timpani',v:rv*0.6});mel.push({t:t,l:4});t+=q*2;
}
// === SECTION 4 (44-56s): Lyrical contrasting theme ===
var lyric=[[B4,q*1.5,0],[A4,q*0.5,1],[G4,q,3],[E4,q,2],[G4,q*1.5,3],[A4,q*0.5,1],
[B4,q*2,0],[E5,q*1.5,2],[D5,q*0.5,1],[B4,q,0],[G4,q,3],[E4,q*2,2]];
for(var ll=0;ll<2;ll++){
var lv=0.4+ll*0.1;
lyric.forEach(function(n){
str(t,n[0],n[1]*0.9,lv);brs(t,n[0],n[1]*0.9,lv*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:lv*0.35});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 5 (56-72s): Final Rossini crescendo + runs ===
for(var fc=0;fc<3;fc++){
var fv=0.5+fc*0.06;
var fq=q*(0.45-fc*0.04);
run1.forEach(function(f,i){
str(t,f,fq*0.85,fv);brs(t,f,fq*0.85,fv*0.6);
bg.push({t:t,f:f/2,d:fq*0.85,i:'bass',v:fv*0.4});
if(fc>0&&i%4===0)bg.push({t:t,f:E3,d:0.15,i:'timpani',v:fv*0.5});
mel.push({t:t,l:r1Ln[i]});t+=fq;
});
t+=q*0.5;
}
// === FINALE: Chords ===
for(var c=0;c<6;c++){
[E3,B3,E4,G4,B4].forEach(function(f){brs(t,f,0.35,0.65);str(t,f,0.35,0.55);});
bg.push({t:t,f:E3/2,d:0.35,i:'timpani',v:0.6});mel.push({t:t,l:4});t+=0.45;
}
[E3,B3,E4,G4,B4,E5].forEach(function(f){brs(t,f,3.0,0.7);str(t,f,3.0,0.6);});
bg.push({t:t,f:E3/2,d:2.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Barber of Seville Overture",composer:"Rossini",bpm:144,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Sabre Dance ──
// Khachaturian's frenetic Sabre Dance in D minor, ~75s
// Famous for its relentless, driving ostinato
var sabre=(function(){
var bg=[],mel=[],t=0,q=60/168;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});}
function tutti(t,f,d,v){str(t,f,d,v);brs(t,f,d,(v||0.4)*0.6);bg.push({t:t,f:f/2,d:d,i:'bass',v:(v||0.4)*0.4});}
// Harmonic bed
var harm=[
[0,15,[D3,A3,D4],0.1],[15,30,[D3,A3,D4],0.15],[30,50,[D3,F3,A3],0.18],
[50,65,[D3,A3,D4],0.2],[65,80,[D3,A3,D4],0.25]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=1.5){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:1.4,i:'strings',v:h[3]});});
}
});
// === SECTION 1 (0-15s): The famous ostinato — D-D-D-Eb-D repeated ===
// Frantic repeated notes that define the piece
var ostinato=[[D4,q*0.5,0],[D4,q*0.5,0],[D4,q*0.5,0],[Eb4,q*0.5,1],[D4,q*0.5,0],
[D4,q*0.5,0],[D4,q*0.5,0],[Eb4,q*0.5,1]];
for(var os=0;os<6;os++){
var ov=0.3+os*0.04;
ostinato.forEach(function(n){
str(t,n[0],n[1]*0.7,ov);
if(os>=3)brs(t,n[0],n[1]*0.7,ov*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
// Ascending burst: D-E-F-G-A
[D4,E4,F4,G4,A4].forEach(function(f,i){
str(t,f,q*0.4,ov);mel.push({t:t,l:[0,2,3,0,1][i]});t+=q*0.5;
});
bg.push({t:t,f:D3,d:0.2,i:'timpani',v:ov*0.6});mel.push({t:t,l:4});t+=q;
}
// === SECTION 2 (15-30s): Contrasting lyrical middle section ===
// Slower, sweeping melody in strings over sustained chords
var lyric=[[A4,q*2,1],[G4,q,0],[F4,q,3],[E4,q*2,2],[D4,q,0],
[F4,q*2,3],[E4,q,2],[D4,q,0],[A3,q*2,1],[D4,q*3,0]];
for(var lr=0;lr<3;lr++){
var lv=0.35+lr*0.08;
lyric.forEach(function(n){
str(t,n[0],n[1]*0.9,lv);
if(lr>0)brs(t,n[0],n[1]*0.9,lv*0.5);
if(lr>1)bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:lv*0.4});
mel.push({t:t,l:n[2]});t+=n[1];
});
if(lr>0){bg.push({t:t,f:D3,d:0.3,i:'timpani',v:lv*0.5});mel.push({t:t,l:4});t+=q;}
t+=q;
}
// === SECTION 3 (30-50s): Ostinato returns — faster, louder ===
var fastOst=[[D4,q*0.4,0],[D4,q*0.4,0],[D4,q*0.4,0],[Eb4,q*0.4,1],[D4,q*0.4,0],
[D4,q*0.4,0],[Eb4,q*0.4,1],[F4,q*0.4,3]];
for(var fo=0;fo<6;fo++){
var fv=0.45+fo*0.04;
fastOst.forEach(function(n){
tutti(t,n[0],n[1]*0.7,fv);
mel.push({t:t,l:n[2]});t+=n[1];
});
// Ascending chromatic burst
[D4,Eb4,E4,F4,G4,Ab4,A4,Bb4].forEach(function(f,i){
str(t,f,q*0.35,fv);brs(t,f,q*0.35,fv*0.5);
mel.push({t:t,l:[0,1,2,3,0,1,1,2][i]});t+=q*0.4;
});
// Slam
[D4,A4,D5].forEach(function(f){brs(t,f,0.3,fv);});
bg.push({t:t,f:D3,d:0.3,i:'timpani',v:fv*0.7});mel.push({t:t,l:4});t+=q;
}
// === SECTION 4 (50-65s): Wild descending runs + ostinato ===
var desc=[A4,G4,F4,E4,D4,E4,F4,G4,A4,Bb4,A4,G4,F4,E4,D4,A3];
var dLn=[1,0,3,2,0,2,3,0,1,2,1,0,3,2,0,4];
for(var dr=0;dr<3;dr++){
var dv=0.55+dr*0.05;
var dq=q*(0.45-dr*0.04);
desc.forEach(function(f,i){
tutti(t,f,dq*0.8,dv);
if(dr>0)bg.push({t:t,f:f,d:dq*0.8,i:'brass',v:dv*0.5});
if(dr>1&&i%4===0)bg.push({t:t,f:D3,d:0.15,i:'timpani',v:dv*0.6});
mel.push({t:t,l:dLn[i]});t+=dq;
});
t+=q*0.5;
// Ostinato fragment
fastOst.forEach(function(n){
tutti(t,n[0],n[1]*0.65,dv);mel.push({t:t,l:n[2]});t+=n[1]*0.85;
});
t+=q*0.5;
}
// === FINALE: Hammered D minor chords ===
for(var c=0;c<8;c++){
[D3,A3,D4,F4,A4].forEach(function(f){brs(t,f,0.3,0.65);str(t,f,0.3,0.55);});
bg.push({t:t,f:D3/2,d:0.3,i:'timpani',v:0.65});mel.push({t:t,l:4});t+=0.38;
}
[D3,A3,D4,F4,A4,D5].forEach(function(f){brs(t,f,2.5,0.7);str(t,f,2.5,0.6);});
bg.push({t:t,f:D3/2,d:2.0,i:'timpani',v:0.75});mel.push({t:t,l:4});
return {n:"Sabre Dance",composer:"Khachaturian",bpm:168,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Sorcerer's Apprentice ──
// Dukas's magical march in F minor, ~80s
// Famous bassoon theme → march builds → magical chaos
var sorcerer=(function(){
var bg=[],mel=[],t=0,q=60/132;
function ww(t,f,d,v){bg.push({t:t,f:f,d:d,i:'woodwind',v:v||0.3});}
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});}
// Harmonic bed — mysterious
var harm=[
[0,16,[F3,Ab3,C4],0.06],[16,32,[F3,Ab3,C4],0.1],[32,48,[F3,Ab3,C4],0.15],
[48,64,[Bb3,Db4,F4],0.18],[64,82,[F3,Ab3,C4],0.22]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.5){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:2.3,i:'strings',v:h[3]});});
}
});
// === SECTION 1 (0-16s): The famous bassoon theme ===
// Creeping march: F-Ab-C-Ab-F then Ab-C-Eb-C-Ab
var bsnTheme=[[F3,q,0],[Ab3,q*0.5,1],[C4,q*0.5,2],[Ab3,q*0.5,1],[F3,q*0.5,0],
[Ab3,q,1],[C4,q*0.5,2],[Eb4,q*0.5,3],[C4,q*0.5,2],[Ab3,q*0.5,1],
[F3,q*1.5,0],[C4,q*0.5,2],[Ab3,q,1],[F3,q*2,0]];
for(var br=0;br<3;br++){
var bv=0.2+br*0.06;
bsnTheme.forEach(function(n){
ww(t,n[0],n[1]*0.85,bv);
if(br>0)str(t,n[0]*2,n[1]*0.85,bv*0.3); // octave higher strings echo
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 2 (16-32s): March begins — walking brooms ===
// Steady march rhythm with the theme on top
var march=[[C4,q,2],[C4,q*0.5,2],[Ab3,q*0.5,1],[F3,q,0],[Ab3,q*0.5,1],[C4,q*0.5,2],
[Eb4,q,3],[Db4,q*0.5,0],[C4,q*0.5,2],[Ab3,q,1],[F3,q*1.5,0]];
for(var mr=0;mr<4;mr++){
var mv=0.3+mr*0.06;
var mInst=mr<2?'woodwind':'strings';
// March bass: oom-pah
for(var mb=0;mb<6;mb++){
bg.push({t:t+mb*q*2,f:F3,d:q*0.8,i:'bass',v:mv*0.5});
bg.push({t:t+mb*q*2+q,f:C3,d:q*0.8,i:'bass',v:mv*0.4});
if(mr>=2)bg.push({t:t+mb*q*2,f:F3,d:0.15,i:'timpani',v:mv*0.4});
}
march.forEach(function(n){
bg.push({t:t,f:n[0],d:n[1]*0.85,i:mInst,v:mv});
if(mr>=2)brs(t,n[0],n[1]*0.85,mv*0.4);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 3 (32-48s): Chaos builds — theme fragments overlap ===
// Faster fragments of the theme, like multiple brooms marching
var frag1=[[F3,q*0.5,0],[Ab3,q*0.5,1],[C4,q*0.5,2],[Eb4,q*0.5,3],[C4,q*0.5,2],[Ab3,q*0.5,1]];
var frag2=[[C4,q*0.5,2],[Db4,q*0.5,0],[C4,q*0.5,2],[Ab3,q*0.5,1],[F3,q*0.5,0],[Ab3,q*0.5,1]];
for(var ch=0;ch<4;ch++){
var cv=0.4+ch*0.05;
(ch%2===0?frag1:frag2).forEach(function(n){
str(t,n[0],n[1]*0.8,cv);brs(t,n[0],n[1]*0.8,cv*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.8,i:'bass',v:cv*0.4});
mel.push({t:t,l:n[2]});t+=n[1];
});
// Ascending rush
[F3,Ab3,C4,Eb4,F4,Ab4].forEach(function(f,i){
str(t,f,q*0.35,cv);mel.push({t:t,l:[0,1,2,3,0,1][i]});t+=q*0.4;
});
bg.push({t:t,f:F3,d:0.3,i:'timpani',v:cv*0.6});mel.push({t:t,l:4});t+=q;
}
// === SECTION 4 (48-64s): Full orchestra — magical pandemonium ===
// Full theme at double speed with brass
var fullTheme=[[F4,q*0.4,0],[Ab4,q*0.4,1],[C5,q*0.4,2],[Ab4,q*0.4,1],[F4,q*0.4,0],
[Ab4,q*0.4,1],[C5,q*0.4,2],[Eb5,q*0.4,3],[C5,q*0.4,2],[Ab4,q*0.4,1],
[F4,q*0.8,0],[C5,q*0.4,2],[Ab4,q*0.4,1],[F4,q*0.8,0]];
for(var ft=0;ft<4;ft++){
var fv=0.5+ft*0.05;
fullTheme.forEach(function(n){
str(t,n[0],n[1]*0.8,fv);brs(t,n[0],n[1]*0.8,fv*0.6);
bg.push({t:t,f:n[0]/2,d:n[1]*0.8,i:'bass',v:fv*0.4});
if(ft>1)bg.push({t:t,f:n[0],d:n[1]*0.8,i:'choir',v:fv*0.2});
if(ft>2&&n[2]===0)bg.push({t:t,f:F3,d:0.15,i:'timpani',v:fv*0.5});
mel.push({t:t,l:n[2]});t+=n[1];
});
bg.push({t:t,f:F3,d:0.3,i:'timpani',v:fv*0.6});mel.push({t:t,l:4});t+=q;
}
// === SECTION 5 (64-78s): Wild ending ===
// Descending cascades
[C5,Bb4,Ab4,G4,F4,Eb4,Db4,C4,Bb3,Ab3,G3,F3].forEach(function(f,i){
str(t,f,q*0.3,0.55);brs(t,f,q*0.3,0.45);
mel.push({t:t,l:[2,3,1,0,3,2,0,1,3,1,0,4][i]});t+=q*0.35;
});
t+=q;
// Final chords
for(var c=0;c<6;c++){
[F3,C4,F4,Ab4].forEach(function(f){brs(t,f,0.35,0.65);str(t,f,0.35,0.55);});
bg.push({t:t,f:F3/2,d:0.35,i:'timpani',v:0.6});mel.push({t:t,l:4});t+=0.45;
}
[F3,C4,F4,Ab4,C5].forEach(function(f){brs(t,f,3.0,0.65);str(t,f,3.0,0.55);});
bg.push({t:t,f:F3/2,d:2.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Sorcerer's Apprentice",composer:"Dukas",bpm:132,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Morning Mood ──
// Grieg's Peer Gynt — gentle sunrise in E major, ~80s
// Famous flute melody: G#-A-B-C#-B-A, then G#-A-B-C#-E-D#-C#-B-A-G#
var morning=(function(){
var bg=[],mel=[],t=0,q=60/60; // slow, pastoral tempo
function ww(t,f,d,v){bg.push({t:t,f:f,d:d,i:'woodwind',v:v||0.25});}
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.3});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.35});}
// Gentle harmonic bed — E major sustained strings
var harm=[
[0,18,[E3,Ab3,B3],0.06],[18,36,[E3,Ab3,B3],0.1],[36,54,[E3,Ab3,B3],0.15],
[54,70,[A3,Db4,E4],0.14],[70,85,[E3,Ab3,B3],0.18]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=3.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:2.8,i:'strings',v:h[3]});});
bg.push({t:ht,f:h[2][0]/2,d:2.8,i:'bass',v:h[3]*0.4});
}
});
// === The actual Grieg melody in E major ===
// G#(Ab4)-A-B-C#(Db5)-B-A | first phrase (ascending then descending)
var fluteMel1=[[Ab4,q*0.75,1],[A4,q*0.75,0],[B4,q*0.75,3],[Db5,q*0.75,2],
[B4,q*0.75,3],[A4,q*0.75,0]];
// G#-A-B-C#-E-D#(Eb5)-C#-B-A-G# | second phrase (up higher then back)
var fluteMel2=[[Ab4,q*0.75,1],[A4,q*0.75,0],[B4,q*0.75,3],[Db5,q*0.75,2],
[E5,q*0.75,0],[Eb5,q*0.75,1],[Db5,q*0.75,2],[B4,q*0.75,3],
[A4,q*0.75,0],[Ab4,q*1.5,1]];
// First statement — solo flute, very quiet
fluteMel1.forEach(function(n){ww(t,n[0],n[1]*0.9,0.2);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q*0.5;
fluteMel2.forEach(function(n){ww(t,n[0],n[1]*0.9,0.22);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q;
// Second statement — flute + light strings
fluteMel1.forEach(function(n){ww(t,n[0],n[1]*0.9,0.25);str(t,n[0],n[1]*0.9,0.1);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q*0.5;
fluteMel2.forEach(function(n){ww(t,n[0],n[1]*0.9,0.28);str(t,n[0],n[1]*0.9,0.12);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q;
// === SECTION 2 (18-36s): Melody grows — oboe joins, then strings ===
// Third statement — woodwind + strings
fluteMel1.forEach(function(n){
ww(t,n[0],n[1]*0.9,0.3);str(t,n[0],n[1]*0.9,0.2);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
fluteMel2.forEach(function(n){
ww(t,n[0],n[1]*0.9,0.32);str(t,n[0],n[1]*0.9,0.22);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.12});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// Fourth statement — strings lead, richer
fluteMel1.forEach(function(n){
str(t,n[0],n[1]*0.9,0.35);ww(t,n[0],n[1]*0.9,0.2);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
fluteMel2.forEach(function(n){
str(t,n[0],n[1]*0.9,0.38);ww(t,n[0],n[1]*0.9,0.22);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.15});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// === SECTION 3 (36-54s): Full sunrise — brass enters, melody soars ===
// Expanded melody reaching up to high E
var soarMel=[[Ab4,q*0.65,1],[A4,q*0.65,0],[B4,q*0.65,3],[Db5,q*0.65,2],
[E5,q*0.65,0],[Db5,q*0.65,2],[B4,q*0.65,3],[A4,q*0.65,0],
[Ab4,q*0.65,1],[A4,q*0.65,0],[B4,q*0.65,3],[Db5,q*0.65,2],
[E5,q*0.65,0],[Eb5,q*0.65,1],[Db5,q*1.3,2]];
for(var sr=0;sr<2;sr++){
var sv=0.4+sr*0.08;
soarMel.forEach(function(n){
str(t,n[0],n[1]*0.9,sv);brs(t,n[0],n[1]*0.9,sv*0.4);
ww(t,n[0],n[1]*0.9,sv*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:sv*0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 4 (54-70s): Warm development — horns + full strings ===
// Broader phrasing with E major harmonies
var warmMel=[[Db5,q*1.3,2],[B4,q*0.65,3],[A4,q*0.65,0],[Ab4,q*1.3,1],
[A4,q*0.65,0],[B4,q*0.65,3],[Db5,q*1.3,2],[E5,q*1.3,0],
[Db5,q*0.65,2],[B4,q*0.65,3],[A4,q*0.65,0],[Ab4,q*2,1]];
for(var wr=0;wr<2;wr++){
var wv=0.48+wr*0.06;
warmMel.forEach(function(n){
str(t,n[0],n[1]*0.9,wv);brs(t,n[0],n[1]*0.9,wv*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:wv*0.35});
if(wr>0)bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:wv*0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 5 (70-82s): Final sunrise — melody one last time, full and warm ===
fluteMel1.forEach(function(n){
str(t,n[0],n[1]*0.9,0.5);brs(t,n[0],n[1]*0.9,0.35);ww(t,n[0],n[1]*0.9,0.3);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.25});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
fluteMel2.forEach(function(n){
str(t,n[0],n[1]*0.9,0.5);brs(t,n[0],n[1]*0.9,0.35);ww(t,n[0],n[1]*0.9,0.3);
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// Gentle ending — sustained E major chord fading
[E3,Ab3,B3,E4,Ab4,B4,E5].forEach(function(f){
str(t,f,4.0,0.4);ww(t,f,4.0,0.25);
});
bg.push({t:t,f:E3/2,d:3.0,i:'bass',v:0.2});mel.push({t:t,l:4});
return {n:"Morning Mood",composer:"Grieg",bpm:60,duration:Math.ceil(t+4),isClassical:true,bg:bg,melody:mel};
})();
// ── Mars, Bringer of War ──
var mars=(function(){
var bg=[],mel=[],t=0,q=0.38;
// 5/4 ostinato: 20 bars of relentless 5-beat march
for(var bar=0;bar<20;bar++){
var v=0.2+bar*0.022;
var inst=bar<7?'strings':bar<14?'brass':'brass';
for(var beat=0;beat<5;beat++){
var bt=t+beat*q;
bg.push({t:bt,f:G3,d:q*0.7,i:'timpani',v:v*0.8});
bg.push({t:bt,f:G3,d:q*0.7,i:'bass',v:v*0.6});
if(bar>3)bg.push({t:bt,f:beat<3?G4:D4,d:q*0.7,i:inst,v:v*0.4});
mel.push({t:bt,l:beat<3?[0,1,2][beat]:beat===3?3:4});
}
if(bar>=4&&bar%2===0){
var mf=bar%4===0?[G4,Bb4,D5,C5,Bb4]:[D5,C5,Bb4,A4,G4];
mf.forEach(function(f,i){bg.push({t:t+i*q,f:f,d:q*1.5,i:inst,v:v*0.6});});
}
t+=5*q;
}
[G3,Bb3,D4,G4].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'brass',v:0.65});});
bg.push({t:t,f:G3/2,d:2.0,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Mars, Bringer of War",composer:"Holst",bpm:126,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Toccata & Fugue in D Minor ──
var toccata=(function(){
var bg=[],mel=[],t=0;
function org(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});bg.push({t:t,f:f,d:d,i:'woodwind',v:(v||0.4)*0.5});}
// Opening mordent: A-G-A (whole step, per standard editions)
org(0,A4,0.12,0.55);org(0.15,G4,0.12,0.55);org(0.3,A4,0.9,0.6);
mel.push({t:0,l:0},{t:0.15,l:3},{t:0.3,l:0});
// Descending: G-F-E-D
[G4,F4,E4,D4].forEach(function(f,i){org(1.3+i*0.4,f,0.35,0.55);mel.push({t:1.3+i*0.4,l:[3,2,1,0][i]});});
// Lower octave statement
org(3.2,A3,0.12,0.55);org(3.35,G3,0.12,0.55);org(3.5,A3,0.9,0.6);
mel.push({t:3.2,l:0},{t:3.35,l:3},{t:3.5,l:0});
[G3,F3,E3,D3].forEach(function(f,i){org(4.5+i*0.4,f,0.35,0.55);bg.push({t:4.5+i*0.4,f:f,d:0.35,i:'bass',v:0.45});mel.push({t:4.5+i*0.4,l:[3,2,1,4][i]});});
// D minor chord
t=6.2;
[D3,A3,D4,F4,A4,D5].forEach(function(f){org(t,f,2.0,0.65);});
bg.push({t:t,f:D3/2,d:1.5,i:'timpani',v:0.6});mel.push({t:t,l:4});
// Ascending scale
t=8.5;
[D4,E4,F4,G4,A4,Bb4,C5,D5].forEach(function(f,i){org(t,f,0.2,0.5);mel.push({t:t,l:[0,1,2,3][i%4]});t+=0.22;});
// Descending chromatic
[D5,C5,Bb4,A4,Ab4,G4,F4,E4,Eb4,D4].forEach(function(f,i){org(t,f,0.18,0.5);mel.push({t:t,l:[1,2,3,0][i%4]});t+=0.2;});
// Big chord
[D3,A3,D4,F4,A4].forEach(function(f){org(t,f,1.5,0.6);});
bg.push({t:t,f:D3/2,d:1.2,i:'timpani',v:0.55});mel.push({t:t,l:4});t+=1.8;
// Fugue: 6 entries accelerating
var subj=[D4,E4,F4,G4,A4,Bb4,A4,G4,F4,E4,D4,A3,D4];
var sLn=[0,1,2,3,0,2,0,3,2,1,0,4,0];
var speeds=[0.30,0.26,0.23,0.20,0.17,0.14];
var vols=[0.3,0.35,0.4,0.48,0.55,0.62];
speeds.forEach(function(spd,si){
subj.forEach(function(f,i){
org(t,f,spd*0.85,vols[si]);
if(si>1)bg.push({t:t,f:f/2,d:spd*0.85,i:'bass',v:vols[si]*0.5});
if(si>3)bg.push({t:t,f:f,d:spd*0.85,i:'strings',v:vols[si]*0.4});
if(si>3&&i%3===0)bg.push({t:t,f:D3,d:0.3,i:'timpani',v:vols[si]*0.6});
mel.push({t:t,l:sLn[i]});t+=spd;
});
t+=0.4;
});
// Final cascade
[D5,C5,Bb4,A4,G4,F4,E4,D4,C4,Bb3,A3,G3].forEach(function(f,i){
org(t,f,0.13,0.6);bg.push({t:t,f:f,d:0.13,i:'strings',v:0.4});mel.push({t:t,l:[0,2,3,1][i%4]});t+=0.14;
});
t+=0.2;
[D3,A3,D4,F4,A4,D5].forEach(function(f){org(t,f,3.0,0.7);});
bg.push({t:t,f:D3/2,d:2.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Toccata & Fugue in D Minor",composer:"Bach",bpm:100,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Also Sprach Zarathustra ──
var zarath=(function(){
var bg=[],mel=[],t=0;
// Timpani rumble + pulse
bg.push({t:0,f:C3,d:4.0,i:'timpani',v:0.1});
bg.push({t:0,f:C3,d:8.0,i:'bass',v:0.08});
[0.5,1.5,3.0,4.5].forEach(function(pt){bg.push({t:pt,f:C3,d:0.4,i:'timpani',v:0.15});mel.push({t:pt,l:4});});
// C note emerges
t=2.0;bg.push({t:t,f:C4,d:3.0,i:'brass',v:0.15});mel.push({t:t,l:0});
// G note
t=5.0;bg.push({t:t,f:G4,d:3.0,i:'brass',v:0.25});bg.push({t:t,f:C4,d:3.0,i:'strings',v:0.15});mel.push({t:t,l:1});
// High C — the sunrise!
t=8.0;
bg.push({t:t,f:C5,d:4.0,i:'brass',v:0.5});bg.push({t:t,f:G4,d:4.0,i:'brass',v:0.4});
bg.push({t:t,f:C4,d:4.0,i:'strings',v:0.3});bg.push({t:t,f:C3,d:4.0,i:'timpani',v:0.5});
mel.push({t:t,l:3});
// Big C major chord
t=12.0;
[C3,G3,C4,E4,G4,C5].forEach(function(f){bg.push({t:t,f:f,d:3.0,i:'brass',v:0.6});bg.push({t:t,f:f,d:3.0,i:'strings',v:0.45});});
bg.push({t:t,f:C3/2,d:2.5,i:'timpani',v:0.65});mel.push({t:t,l:4});
// Second statement: faster and louder
t=16.0;bg.push({t:t,f:C4,d:1.5,i:'brass',v:0.35});mel.push({t:t,l:0});
t=17.5;bg.push({t:t,f:G4,d:1.5,i:'brass',v:0.45});mel.push({t:t,l:1});
t=19.0;bg.push({t:t,f:C5,d:2.0,i:'brass',v:0.55});bg.push({t:t,f:G4,d:2.0,i:'brass',v:0.45});
bg.push({t:t,f:C3,d:2.0,i:'timpani',v:0.55});mel.push({t:t,l:3});
t=21.0;
[C3,G3,C4,E4,G4,C5].forEach(function(f){bg.push({t:t,f:f,d:3.0,i:'brass',v:0.65});});
bg.push({t:t,f:C3/2,d:2.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
// Development: ascending scale
t=25.0;
[C4,D4,E4,F4,G4,A4,B4,C5,D5,E5].forEach(function(f,i){
bg.push({t:t,f:f,d:0.5,i:'strings',v:0.4+i*0.02});bg.push({t:t,f:f,d:0.5,i:'brass',v:0.3+i*0.02});
mel.push({t:t,l:[0,1,2,3,0][i%5]});t+=0.55;
});
// Descending
[E5,D5,C5,B4,A4,G4,F4,E4,D4,C4].forEach(function(f,i){
bg.push({t:t,f:f,d:0.5,i:'strings',v:0.5});bg.push({t:t,f:f,d:0.5,i:'brass',v:0.4});
mel.push({t:t,l:[3,2,1,0,4][i%5]});t+=0.5;
});
// Third sunrise: biggest
t+=0.5;bg.push({t:t,f:C3,d:2.0,i:'timpani',v:0.4});
bg.push({t:t,f:C4,d:1.0,i:'brass',v:0.5});mel.push({t:t,l:0});t+=1.0;
bg.push({t:t,f:G4,d:1.0,i:'brass',v:0.55});mel.push({t:t,l:1});t+=1.0;
bg.push({t:t,f:C5,d:1.5,i:'brass',v:0.6});mel.push({t:t,l:3});t+=1.5;
// Final massive chord
[C3,G3,C4,E4,G4,C5,E5,G5].forEach(function(f){bg.push({t:t,f:f,d:4.0,i:'brass',v:0.7});bg.push({t:t,f:f,d:4.0,i:'choir',v:0.4});});
bg.push({t:t,f:C3/2,d:3.0,i:'timpani',v:0.75});mel.push({t:t,l:4});
return {n:"Also Sprach Zarathustra",composer:"R. Strauss",bpm:60,duration:Math.ceil(t+4.5),isClassical:true,bg:bg,melody:mel};
})();
// ── The Blue Danube ──
// J. Strauss II waltz in D major (arr. C major), ~75s
// The most famous waltz: ascending thirds C-E-G, G-B-D with oom-pah-pah bass
var danube=(function(){
var bg=[],mel=[],t=0,q=60/180; // waltz tempo, q = one beat of 3/4
// Waltz oom-pah-pah accompaniment helper
function waltz(time,root,third,v){
bg.push({t:time,f:root,d:q*0.8,i:'bass',v:v*0.5}); // oom
bg.push({t:time+q,f:third,d:q*0.6,i:'strings',v:v*0.25}); // pah
bg.push({t:time+q*2,f:third,d:q*0.6,i:'strings',v:v*0.2}); // pah
}
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.35});}
// Harmonic bed
var harm=[
[0,12,[C3,E3,G3],0.06],[12,30,[C3,E3,G3],0.1],[30,50,[C3,E3,G3],0.14],
[50,65,[G3,B3,D4],0.12],[65,80,[C3,E3,G3],0.18]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=3.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:2.8,i:'strings',v:h[3]});});
}
});
// === SECTION 1 (0-12s): Tremolo intro + rising anticipation ===
// Soft tremolo strings, then the famous ascending pickup
for(var tr=0;tr<8;tr++){
bg.push({t:tr*q*3,f:C4,d:q*2.5,i:'strings',v:0.12+tr*0.01});
bg.push({t:tr*q*3,f:E4,d:q*2.5,i:'strings',v:0.1+tr*0.01});
}
t=6;
// Pickup notes before the waltz: ascending B-C
str(t,B3,q*0.8,0.25);mel.push({t:t,l:3});t+=q;
// === SECTION 2 (7-30s): First waltz — the famous melody ===
// Real melody (transposed to C): C-C-(rest) | C-E-G | G-G-(rest) | G-B-D5
// Pattern: note on beat 1, sustained or leap on beat 1 of next bar
var waltz1=[
[C4,q*3,0],[C4,q*3,0],[C4,q,0],[E4,q,2],[G4,q,3],
[G4,q*3,3],[G4,q*3,3],[G4,q,3],[B4,q,0],[D5,q,1],
[D5,q*3,1],[C5,q*3,2],[C5,q,2],[E4,q,2],[G4,q,3],
[G4,q*2,3],[E4,q,2],[C4,q*3,0]
];
for(var w1=0;w1<2;w1++){
var wv=0.3+w1*0.08;
var bi=0;
waltz1.forEach(function(n){
str(t,n[0],n[1]*0.9,wv);
if(w1>0)brs(t,n[0],n[1]*0.9,wv*0.4);
// Add waltz bass on beat 1 of each 3-beat group
if(n[1]>=q*2)waltz(t,C3,E3,wv);
mel.push({t:t,l:n[2]});t+=n[1];bi++;
});
t+=q;
}
// === SECTION 3 (30-50s): Second waltz — contrasting theme ===
// More lyrical flowing melody
var waltz2=[
[E4,q*2,2],[D4,q,1],[C4,q*3,0],[E4,q*2,2],[G4,q,3],
[G4,q*2,3],[F4,q,1],[E4,q*3,2],[D4,q*2,1],[E4,q,2],
[F4,q*2,1],[E4,q,2],[D4,q*3,1],[C4,q*3,0]
];
for(var w2=0;w2<2;w2++){
var wv2=0.38+w2*0.08;
waltz2.forEach(function(n){
str(t,n[0],n[1]*0.9,wv2);
if(w2>0)brs(t,n[0],n[1]*0.9,wv2*0.4);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:wv2*0.3});
if(n[1]>=q*2)waltz(t,C3,E3,wv2);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 4 (50-65s): Waltz 1 returns — full orchestra ===
waltz1.forEach(function(n){
str(t,n[0],n[1]*0.9,0.52);brs(t,n[0],n[1]*0.9,0.4);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.3});
if(n[1]>=q*2)waltz(t,C3,E3,0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// Faster, more energetic repeat
waltz1.forEach(function(n){
str(t,n[0],n[1]*0.85,0.55);brs(t,n[0],n[1]*0.85,0.45);
bg.push({t:t,f:n[0],d:n[1]*0.85,i:'choir',v:0.2});
mel.push({t:t,l:n[2]});t+=n[1]*0.9;
});
// === FINALE: Big waltz chords ===
t+=q;
for(var c=0;c<6;c++){
[C4,E4,G4,C5].forEach(function(f){brs(t,f,q*2.5,0.6);str(t,f,q*2.5,0.5);});
bg.push({t:t,f:C3,d:q*2,i:'timpani',v:0.5});
mel.push({t:t,l:4});t+=q*3;
}
[C4,E4,G4,C5].forEach(function(f){brs(t,f,2.5,0.65);str(t,f,2.5,0.55);});
bg.push({t:t,f:C3,d:2.0,i:'timpani',v:0.65});mel.push({t:t,l:4});
return {n:"The Blue Danube",composer:"J. Strauss II",bpm:180,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Night on Bald Mountain ──
var bald=(function(){
var bg=[],mel=[],t=0,q=0.35;
function dark(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});bg.push({t:t,f:f,d:d,i:'strings',v:(v||0.4)*0.8});bg.push({t:t,f:f/2,d:d,i:'bass',v:(v||0.4)*0.5});}
// Ominous opening
bg.push({t:0,f:D3,d:3.0,i:'timpani',v:0.2});bg.push({t:0,f:D3,d:3.0,i:'bass',v:0.15});
t=1.0;
// Dark ascending chromatic
[D4,Eb4,E4,F4,G4,Ab4,A4,Bb4,B4,C5,D5].forEach(function(f,i){
dark(t,f,q*0.8,0.25+i*0.02);mel.push({t:t,l:[0,1,2,3,0,1,2,3,0,1,4][i]});t+=q;
});
t+=0.5;
// Dark sustained chords
[[D4,F4],[A3,E4],[Bb3,D4],[A3,C4],[D4,F4],[A4,D5]].forEach(function(ch){
ch.forEach(function(f){dark(t,f,1.0,0.4);});mel.push({t:t,l:4});t+=1.1;
});
// Witches' dance: 7 passes accelerating
var witch=[D4,F4,A4,D5,A4,F4,D4,E4,F4,G4,A4,Bb4,A4,G4,F4,E4,D4,A3,D4,F4];
var wLn=[0,2,0,1,0,2,0,1,2,3,0,2,0,3,2,1,0,4,0,2];
[0.26,0.24,0.22,0.20,0.18,0.16,0.14].forEach(function(spd,si){
var wv=0.3+si*0.05;
witch.forEach(function(f,i){
dark(t,f,spd*0.85,wv);
if(si>3&&i%4===0)bg.push({t:t,f:D3,d:0.3,i:'timpani',v:wv*0.7});
mel.push({t:t,l:wLn[i]});t+=spd;
});
t+=0.3;
});
// Massive ending
for(var c=0;c<4;c++){
[D3,A3,D4,F4,A4].forEach(function(f){dark(t,f,0.4,0.65);});
bg.push({t:t,f:D3/2,d:0.4,i:'timpani',v:0.65});mel.push({t:t,l:4});t+=0.5;
}
[D3,A3,D4,F4,A4,D5].forEach(function(f){dark(t,f,2.5,0.65);});
bg.push({t:t,f:D3/2,d:2.0,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Night on Bald Mountain",composer:"Mussorgsky",bpm:152,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Swan Lake (Theme) ──
var swan=(function(){
var bg=[],mel=[],t=0,q=0.55;
var theme=[A4,B4,C5,B4,A4,E4,A4,G4,F4,E4,D4,E4,F4,E4,D4,C4,B3,A3,B3,C4,D4,E4,A4];
var tLn=[0,1,2,1,0,2,0,3,2,1,0,1,2,1,0,2,1,0,1,2,0,2,0];
for(var rep=0;rep<3;rep++){
var v=0.25+rep*0.12;
var inst=rep===0?'woodwind':rep===1?'strings':'brass';
theme.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.85,i:inst,v:v});
if(rep>0)bg.push({t:t,f:f/2,d:q*0.85,i:'bass',v:v*0.4});
if(rep>1)bg.push({t:t,f:f,d:q*0.85,i:'strings',v:v*0.5});
if(i%3===0){bg.push({t:t,f:A3,d:q*2,i:'bass',v:v*0.3});}
mel.push({t:t,l:tLn[i]});t+=q;
});
t+=0.5;
}
for(var c=0;c<3;c++){
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:q*2.5,i:'strings',v:0.55});bg.push({t:t,f:f,d:q*2.5,i:'brass',v:0.45});});
mel.push({t:t,l:4});t+=q*3;
}
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'strings',v:0.55});});
bg.push({t:t,f:A3/2,d:2.0,i:'timpani',v:0.6});mel.push({t:t,l:4});
return {n:"Swan Lake (Theme)",composer:"Tchaikovsky",bpm:110,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Flight of the Bumblebee ──
// Rimsky-Korsakov's famous chromatic whirlwind in A minor, ~65s
// Rapid chromatic scales up and down — the buzzing bee
var bumblebee=(function(){
var bg=[],mel=[],t=0,q=60/180;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
// Sparse harmonic bed — stays out of the way of the rapid runs
var harm=[
[0,12,[A3,C4,E4],0.06],[12,24,[A3,C4,E4],0.1],[24,40,[A3,C4,E4],0.14],
[40,52,[D4,F4,A4],0.12],[52,68,[A3,C4,E4],0.16]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.5){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:2.3,i:'strings',v:h[3]});});
}
});
// The chromatic descending run: E5-Eb5-D5-Db5-C5-B4-Bb4-A4-Ab4-G4-Gb4-F4-E4
var descChrom=[E5,Eb5,D5,Db5,C5,B4,Bb4,A4,Ab4,G4,Gb4,F4,E4];
var dLn=[2,1,0,1,2,3,2,1,0,3,2,1,0];
// The chromatic ascending run: E4-F4-Gb4-G4-Ab4-A4-Bb4-B4-C5-Db5-D5-Eb5-E5
var ascChrom=[E4,F4,Gb4,G4,Ab4,A4,Bb4,B4,C5,Db5,D5,Eb5,E5];
var aLn=[0,1,2,3,0,1,2,3,2,1,0,1,2];
// === SECTION 1 (0-12s): Solo violin — quiet buzzing ===
for(var s1=0;s1<2;s1++){
var v1=0.2+s1*0.04;
var nq=q*0.5; // very fast sixteenth notes
// Descending run
descChrom.forEach(function(f,i){
str(t,f,nq*0.8,v1);mel.push({t:t,l:dLn[i]});t+=nq;
});
// Ascending run
ascChrom.forEach(function(f,i){
str(t,f,nq*0.8,v1);mel.push({t:t,l:aLn[i]});t+=nq;
});
t+=q;
}
// === SECTION 2 (12-24s): More instruments join, slightly louder ===
for(var s2=0;s2<3;s2++){
var v2=0.28+s2*0.04;
var nq2=q*0.45;
descChrom.forEach(function(f,i){
str(t,f,nq2*0.8,v2);
if(s2>0)bg.push({t:t,f:f,d:nq2*0.8,i:'woodwind',v:v2*0.4});
mel.push({t:t,l:dLn[i]});t+=nq2;
});
ascChrom.forEach(function(f,i){
str(t,f,nq2*0.8,v2);
if(s2>0)bg.push({t:t,f:f,d:nq2*0.8,i:'woodwind',v:v2*0.4});
mel.push({t:t,l:aLn[i]});t+=nq2;
});
t+=q*0.5;
}
// === SECTION 3 (24-40s): Full string section — the bee gets frantic ===
for(var s3=0;s3<4;s3++){
var v3=0.38+s3*0.04;
var nq3=q*0.4;
// Alternate between descending and ascending with different patterns
var pattern=s3%2===0?descChrom:ascChrom;
var pLn=s3%2===0?dLn:aLn;
pattern.forEach(function(f,i){
str(t,f,nq3*0.8,v3);bg.push({t:t,f:f,d:nq3*0.8,i:'woodwind',v:v3*0.3});
bg.push({t:t,f:f/2,d:nq3*0.8,i:'bass',v:v3*0.2});
mel.push({t:t,l:pLn[i]});t+=nq3;
});
// Quick turnaround notes
[E4,G4,B4,E5].forEach(function(f,i){
str(t,f,nq3*0.6,v3);mel.push({t:t,l:[0,3,0,2][i]});t+=nq3*0.7;
});
t+=q*0.3;
}
// === SECTION 4 (40-52s): Contrasting middle — broader melody ===
var middle=[[A4,q*1.5,1],[G4,q*0.75,3],[F4,q*0.75,0],[E4,q*1.5,2],
[G4,q*0.75,3],[A4,q*0.75,1],[B4,q*1.5,0],[A4,q*0.75,1],
[G4,q*0.75,3],[E4,q*2,2]];
for(var m=0;m<2;m++){
var mv=0.4+m*0.08;
middle.forEach(function(n){
str(t,n[0],n[1]*0.9,mv);bg.push({t:t,f:n[0],d:n[1]*0.9,i:'woodwind',v:mv*0.5});
if(m>0)bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:mv*0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 5 (52-65s): Final frenzy — fastest runs ===
for(var s5=0;s5<4;s5++){
var v5=0.48+s5*0.04;
var nq5=q*(0.38-s5*0.02); // accelerating
descChrom.forEach(function(f,i){
str(t,f,nq5*0.75,v5);bg.push({t:t,f:f,d:nq5*0.75,i:'woodwind',v:v5*0.4});
if(s5>1)bg.push({t:t,f:f/2,d:nq5*0.75,i:'bass',v:v5*0.3});
mel.push({t:t,l:dLn[i]});t+=nq5;
});
if(s5<3){
ascChrom.slice(0,7).forEach(function(f,i){
str(t,f,nq5*0.75,v5);mel.push({t:t,l:aLn[i]});t+=nq5;
});
}
t+=q*0.3;
}
// Final sting — the bee lands!
[A3,C4,E4,A4].forEach(function(f){
str(t,f,0.3,0.55);bg.push({t:t,f:f,d:0.3,i:'brass',v:0.4});
});
mel.push({t:t,l:4});t+=0.5;
[A3,E4,A4].forEach(function(f){str(t,f,2.0,0.4);});
bg.push({t:t,f:A3/2,d:1.5,i:'bass',v:0.3});mel.push({t:t,l:4});
return {n:"Flight of the Bumblebee",composer:"Rimsky-Korsakov",bpm:180,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Dance of the Sugar Plum Fairy ──
var sugarplum=(function(){
var bg=[],mel=[],t=0,q=0.4;
var theme=[E4,Eb4,E4,B3,D4,C4,A3,C4,E4,A4,B3,E4,Ab4,B4,A4];
var tLn=[2,1,2,3,0,2,0,2,2,1,3,2,1,0,1];
var ans=[E4,Eb4,E4,B3,D4,C4,A3];
var aLn=[2,1,2,3,0,2,0];
for(var rep=0;rep<5;rep++){
var v=0.2+rep*0.08;
var inst=rep<2?'woodwind':rep<4?'strings':'brass';
theme.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.5,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:q*0.5,i:'bass',v:v*0.3});
if(rep>3)bg.push({t:t,f:f,d:q*0.5,i:'strings',v:v*0.4});
mel.push({t:t,l:tLn[i]});t+=q;
});
t+=0.5;
ans.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.4,i:inst,v:v*0.8});
mel.push({t:t,l:aLn[i]});t+=q*0.8;
});
t+=0.4;
}
[E3,B3,E4,Ab4,B4].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'strings',v:0.5});});
bg.push({t:t,f:E3/2,d:1.5,i:'bass',v:0.4});mel.push({t:t,l:4});
return {n:"Dance of the Sugar Plum Fairy",composer:"Tchaikovsky",bpm:120,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── 1812 Overture (Finale) ──
var overture1812=(function(){
var bg=[],mel=[],t=0,q=0.4;
function brass(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.5});bg.push({t:t,f:f,d:d,i:'strings',v:(v||0.5)*0.7});}
function cannon(t,v){bg.push({t:t,f:60,d:0.8,i:'timpani',v:v||0.7});}
var theme=[G4,G4,A4,B4,B4,A4,G4,Gb4,E4,E4,Gb4,G4,G4,Gb4,Gb4];
var tLn=[0,0,1,3,3,1,0,2,1,1,2,0,0,2,2];
for(var rep=0;rep<5;rep++){
var v=0.3+rep*0.08;
theme.forEach(function(f,i){
brass(t,f,q*0.9,v);
if(rep>0)bg.push({t:t,f:f/2,d:q*0.9,i:'bass',v:v*0.5});
if(rep>2)bg.push({t:t,f:f,d:q*0.9,i:'choir',v:v*0.3});
mel.push({t:t,l:tLn[i]});t+=q;
});
cannon(t,0.4+rep*0.08);mel.push({t:t,l:4});t+=0.8;
cannon(t,0.45+rep*0.08);mel.push({t:t,l:4});t+=0.8;
t+=0.3;
}
for(var c=0;c<8;c++){
[G3,B3,D4,G4].forEach(function(f){brass(t,f,0.4,0.65);});
cannon(t,0.7);mel.push({t:t,l:4});t+=0.5;
}
[G3,B3,D4,G4,B4,D5].forEach(function(f){brass(t,f,3.0,0.7);bg.push({t:t,f:f,d:3.0,i:'choir',v:0.4});});
cannon(t,0.8);mel.push({t:t,l:4});
return {n:"1812 Overture (Finale)",composer:"Tchaikovsky",bpm:120,duration:Math.ceil(t+3.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Habanera (Carmen) ──
// Bizet's famous aria in D minor, ~80s
// Descending chromatic melody with the habanera rhythm (dotted + sixteenth)
var habanera=(function(){
var bg=[],mel=[],t=0,q=60/108;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.35});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.35});}
function ww(t,f,d,v){bg.push({t:t,f:f,d:d,i:'woodwind',v:v||0.3});}
// Harmonic bed
var harm=[
[0,18,[D3,F3,A3],0.08],[18,36,[D3,F3,A3],0.12],[36,54,[D3,F3,A3],0.16],
[54,68,[Bb3,D4,F4],0.14],[68,84,[D3,F3,A3],0.18]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:1.9,i:'strings',v:h[3]});});
}
});
// The habanera bass rhythm: dotted-eighth + sixteenth + quarter + quarter
// DUM da-DUM DUM (characteristic Cuban rhythm)
function habBass(time,root,v){
bg.push({t:time,f:root,d:q*0.7,i:'bass',v:v*0.5});
bg.push({t:time+q*0.75,f:root*1.5,d:q*0.2,i:'bass',v:v*0.35});
bg.push({t:time+q,f:root,d:q*0.7,i:'bass',v:v*0.45});
bg.push({t:time+q*2,f:root,d:q*0.7,i:'bass',v:v*0.4});
}
// === SECTION 1 (0-18s): The famous descending chromatic melody ===
// D-Db-C-B-Bb-A-Ab-G — each note slightly longer, seductive descent
var desc1=[[D5,q*0.7,0],[Db5,q*0.7,1],[C5,q*0.7,2],[B4,q*0.7,3],
[Bb4,q*0.7,2],[A4,q*0.7,1],[Ab4,q*0.7,0],[G4,q*1.4,3]];
// Answer phrase: bouncing back up
var ans1=[[A4,q*0.5,1],[Bb4,q*0.5,2],[A4,q,1],[G4,q*0.5,3],[A4,q*0.5,1],[D4,q*1.5,0]];
for(var s1=0;s1<3;s1++){
var v1=0.2+s1*0.05;
habBass(t,D3,v1);habBass(t+q*3,D3,v1);
desc1.forEach(function(n){
ww(t,n[0],n[1]*0.9,v1);
if(s1>0)str(t,n[0],n[1]*0.9,v1*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
ans1.forEach(function(n){
ww(t,n[0],n[1]*0.9,v1);
if(s1>0)str(t,n[0],n[1]*0.9,v1*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 2 (18-36s): Second verse — strings take melody ===
// Same chromatic descent but with richer orchestration
var desc2=[[D5,q*0.65,0],[Db5,q*0.65,1],[C5,q*0.65,2],[B4,q*0.65,3],
[Bb4,q*0.65,2],[A4,q*0.65,1],[Ab4,q*0.65,0],[G4,q*1.3,3]];
var ans2=[[A4,q*0.5,1],[Bb4,q*0.5,2],[C5,q*0.5,2],[A4,q,1],[F4,q*0.5,3],[D4,q*1.5,0]];
for(var s2=0;s2<3;s2++){
var v2=0.32+s2*0.06;
habBass(t,D3,v2);habBass(t+q*3,A3,v2);
desc2.forEach(function(n){
str(t,n[0],n[1]*0.9,v2);ww(t,n[0],n[1]*0.9,v2*0.5);
if(s2>0)bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:v2*0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
ans2.forEach(function(n){
str(t,n[0],n[1]*0.9,v2);ww(t,n[0],n[1]*0.9,v2*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
bg.push({t:t,f:D3,d:0.2,i:'timpani',v:v2*0.4});mel.push({t:t,l:4});t+=q;
}
// === SECTION 3 (36-54s): Major key contrast — "L'amour" refrain ===
// Shifts to D major — bright, passionate
var refrain=[[D4,q,0],[F4,q*0.5,3],[A4,q*0.5,1],[D5,q*1.5,0],
[C5,q*0.5,2],[Bb4,q*0.5,2],[A4,q,1],[G4,q*0.5,3],[A4,q*0.5,1],
[D4,q*2,0]];
for(var s3=0;s3<3;s3++){
var v3=0.4+s3*0.06;
habBass(t,D3,v3);habBass(t+q*3,A3,v3);
refrain.forEach(function(n){
str(t,n[0],n[1]*0.9,v3);brs(t,n[0],n[1]*0.9,v3*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:v3*0.35});
if(s3>1)bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:v3*0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
if(s3>0){bg.push({t:t,f:D3,d:0.3,i:'timpani',v:v3*0.5});mel.push({t:t,l:4});}
t+=q;
}
// === SECTION 4 (54-68s): Return of chromatic descent — full orchestra ===
for(var s4=0;s4<3;s4++){
var v4=0.5+s4*0.05;
habBass(t,D3,v4);habBass(t+q*3,D3,v4);
desc1.forEach(function(n){
str(t,n[0],n[1]*0.9,v4);brs(t,n[0],n[1]*0.9,v4*0.6);
ww(t,n[0],n[1]*0.9,v4*0.4);
if(s4>0)bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:v4*0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
ans1.forEach(function(n){
str(t,n[0],n[1]*0.9,v4);brs(t,n[0],n[1]*0.9,v4*0.6);
mel.push({t:t,l:n[2]});t+=n[1];
});
bg.push({t:t,f:D3,d:0.25,i:'timpani',v:v4*0.6});mel.push({t:t,l:4});t+=q;
}
// === FINALE: Passionate ending ===
// Final descent + big D minor chord
desc1.forEach(function(n){
str(t,n[0],n[1]*0.8,0.6);brs(t,n[0],n[1]*0.8,0.5);
bg.push({t:t,f:n[0],d:n[1]*0.8,i:'choir',v:0.3});
mel.push({t:t,l:n[2]});t+=n[1]*0.85;
});
t+=q;
for(var c=0;c<4;c++){
[D3,A3,D4,F4].forEach(function(f){brs(t,f,0.4,0.6);str(t,f,0.4,0.5);});
bg.push({t:t,f:D3/2,d:0.4,i:'timpani',v:0.6});mel.push({t:t,l:4});t+=0.5;
}
[D3,A3,D4,F4,A4].forEach(function(f){brs(t,f,3.0,0.6);str(t,f,3.0,0.5);});
bg.push({t:t,f:D3/2,d:2.5,i:'timpani',v:0.65});mel.push({t:t,l:4});
return {n:"Habanera (Carmen)",composer:"Bizet",bpm:108,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Spring (Four Seasons) ──
// Vivaldi's Spring from The Four Seasons in E major, ~75s
// Joyful opening ritornello → birdsong trills → pastoral dance
var spring=(function(){
var bg=[],mel=[],t=0,q=60/120;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.35});}
// Harmonic bed
var harm=[
[0,14,[E3,G3,B3],0.1],[14,28,[E3,G3,B3],0.14],[28,44,[A3,C4,E4],0.13],
[44,58,[E3,G3,B3],0.16],[58,78,[E3,G3,B3],0.2]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.0){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:1.9,i:'strings',v:h[3]});});
bg.push({t:ht,f:h[2][0]/2,d:1.9,i:'bass',v:h[3]*0.5});
}
});
// === SECTION 1 (0-14s): The famous opening ritornello ===
// Bright, joyful E major: E-E-E-G#-B-B-B-G#-E
var rit=[[E4,q*0.5,2],[E4,q*0.5,2],[E4,q*0.5,2],[Ab4,q*0.5,1],[B4,q,0],
[B4,q*0.5,0],[B4,q*0.5,0],[Ab4,q*0.5,1],[E4,q*1,2]];
// Answer: ascending scale burst
var ritAns=[[E4,q*0.5,2],[Ab4,q*0.5,1],[B4,q*0.5,0],[E5,q,2],
[D5,q*0.5,1],[B4,q*0.5,0],[Ab4,q*0.5,1],[E4,q*1,2]];
for(var r1=0;r1<2;r1++){
var rv=0.35+r1*0.08;
rit.forEach(function(n){str(t,n[0],n[1]*0.85,rv);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q*0.3;
ritAns.forEach(function(n){str(t,n[0],n[1]*0.85,rv);mel.push({t:t,l:n[2]});t+=n[1];});
t+=q;
}
// === SECTION 2 (14-28s): Birdsong — trills and rapid ornaments ===
// High violin trills imitating birds
var bird1=[[E5,q*0.25,2],[D5,q*0.25,1],[E5,q*0.25,2],[D5,q*0.25,1],
[E5,q*0.5,2],[B4,q*0.5,0],[Ab4,q*0.5,1],[E4,q,2]];
var bird2=[[B4,q*0.25,0],[A4,q*0.25,1],[B4,q*0.25,0],[A4,q*0.25,1],
[B4,q*0.5,0],[Ab4,q*0.5,1],[E4,q*0.5,2],[B3,q,3]];
for(var b=0;b<3;b++){
var bv=0.3+b*0.06;
var birds=b%2===0?bird1:bird2;
birds.forEach(function(n){
str(t,n[0],n[1]*0.8,bv);
if(b>0)bg.push({t:t,f:n[0],d:n[1]*0.8,i:'woodwind',v:bv*0.4});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
// Gentle bass response
[E3,B3,E4].forEach(function(f){bg.push({t:t,f:f,d:q*1.5,i:'bass',v:bv*0.3});});
mel.push({t:t,l:4});t+=q*2;
}
// === SECTION 3 (28-44s): Ritornello returns — fuller ===
for(var r2=0;r2<2;r2++){
var rv2=0.42+r2*0.08;
rit.forEach(function(n){
str(t,n[0],n[1]*0.85,rv2);brs(t,n[0],n[1]*0.85,rv2*0.4);
bg.push({t:t,f:n[0]/2,d:n[1]*0.85,i:'bass',v:rv2*0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.3;
ritAns.forEach(function(n){
str(t,n[0],n[1]*0.85,rv2);brs(t,n[0],n[1]*0.85,rv2*0.4);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// Running scales
[E4,Ab4,B4,E5,D5,B4,Ab4,E4,D4,E4,Ab4,B4,D5,E5,Ab5,E5].forEach(function(f,i){
str(t,f,q*0.35,0.5);mel.push({t:t,l:[2,1,0,2,1,0,1,2,0,2,1,0,1,2,0,2][i]});t+=q*0.4;
});
t+=q;
// === SECTION 4 (44-58s): Pastoral dance — lilting 12/8 feel ===
var dance=[[E4,q,2],[Ab4,q*0.5,1],[B4,q*0.5,0],[E4,q*0.5,2],[Ab4,q*0.5,1],
[B4,q,0],[E5,q*0.5,2],[D5,q*0.5,1],[B4,q,0],[Ab4,q*0.5,1],[E4,q*1,2]];
for(var d=0;d<3;d++){
var dv=0.45+d*0.06;
dance.forEach(function(n){
str(t,n[0],n[1]*0.85,dv);
if(d>0)brs(t,n[0],n[1]*0.85,dv*0.4);
if(d>1)bg.push({t:t,f:n[0]/2,d:n[1]*0.85,i:'bass',v:dv*0.35});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
}
// === SECTION 5 (58-72s): Final ritornello — full orchestra ===
for(var r3=0;r3<3;r3++){
var rv3=0.52+r3*0.06;
rit.forEach(function(n){
str(t,n[0],n[1]*0.85,rv3);brs(t,n[0],n[1]*0.85,rv3*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.85,i:'bass',v:rv3*0.35});
if(r3>1)bg.push({t:t,f:n[0],d:n[1]*0.85,i:'choir',v:rv3*0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.3;
ritAns.forEach(function(n){
str(t,n[0],n[1]*0.85,rv3);brs(t,n[0],n[1]*0.85,rv3*0.5);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q*0.5;
}
// Finale chords
for(var c=0;c<4;c++){
[E3,B3,E4,Ab4,B4].forEach(function(f){str(t,f,0.4,0.6);brs(t,f,0.4,0.5);});
mel.push({t:t,l:4});t+=0.5;
}
[E3,B3,E4,Ab4,B4,E5].forEach(function(f){str(t,f,3.0,0.6);brs(t,f,3.0,0.5);});
bg.push({t:t,f:E3/2,d:2.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:"Spring (Four Seasons)",composer:"Vivaldi",bpm:120,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Für Elise ──
var furelise=(function(){
var bg=[],mel=[],t=0,q=0.35;
var motif=[E4,Eb4,E4,Eb4,E4,B3,D4,C4,A3];
var mLn=[2,1,2,1,2,3,0,2,0];
var ph2=[C4,E4,A4,B4,E4,Ab4,B4,A4];
var p2Ln=[1,2,0,3,2,1,3,0];
for(var rep=0;rep<5;rep++){
var v=0.2+rep*0.08;
var inst=rep<2?'woodwind':rep<3?'strings':'brass';
motif.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.7,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:q*0.7,i:'bass',v:v*0.3});
mel.push({t:t,l:mLn[i]});t+=q;
});
t+=0.2;
ph2.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.7,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:q*0.7,i:'bass',v:v*0.3});
mel.push({t:t,l:p2Ln[i]});t+=q;
});
t+=0.2;
motif.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.7,i:inst,v:v});
if(rep>2)bg.push({t:t,f:f,d:q*0.7,i:'strings',v:v*0.4});
mel.push({t:t,l:mLn[i]});t+=q;
});
t+=0.5;
}
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'strings',v:0.45});});
bg.push({t:t,f:A3/2,d:2.0,i:'bass',v:0.35});mel.push({t:t,l:4});
return {n:"F\u00fcr Elise",composer:"Beethoven",bpm:130,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Canon in D ──
var canon=(function(){
var bg=[],mel=[],t=0,q=0.55;
var bassLine=[D3,A3,B3,Gb3,G3,D3,G3,A3];
// Real Pachelbel violin melody: F#-E-D-C#-B-A-B-C# (var 1) then D-C#-B-A-G-F#-G-A (var 2)
var melody2=[Gb4,E4,D4,Db4,B3,A3,B3,Db4,D4,Db4,B3,A3,G3,Gb3,G3,A3];
var m2Ln=[2,1,0,1,3,0,3,1,0,1,3,0,3,2,3,0];
for(var rep=0;rep<4;rep++){
var v=0.2+rep*0.08;
bassLine.forEach(function(f,i){
var bt=t+i*q*2;
bg.push({t:bt,f:f,d:q*1.8,i:'bass',v:v*0.5});
bg.push({t:bt,f:f*2,d:q*1.8,i:'strings',v:v*0.3});
});
if(rep>=1){
melody2.forEach(function(f,i){
bg.push({t:t+i*q,f:f,d:q*0.85,i:rep<3?'strings':'brass',v:v});
if(rep>2)bg.push({t:t+i*q,f:f,d:q*0.85,i:'choir',v:v*0.3});
mel.push({t:t+i*q,l:m2Ln[i]});
});
} else {
bassLine.forEach(function(f,i){mel.push({t:t+i*q*2,l:4});});
}
t+=bassLine.length*q*2;t+=0.3;
}
[D3,A3,D4,Gb4,A4,D5].forEach(function(f){bg.push({t:t,f:f,d:3.0,i:'strings',v:0.55});bg.push({t:t,f:f,d:3.0,i:'brass',v:0.4});});
bg.push({t:t,f:D3/2,d:2.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:"Canon in D",composer:"Pachelbel",bpm:60,duration:Math.ceil(t+3.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Hungarian Dance No. 5 ──
var hungarian=(function(){
var bg=[],mel=[],t=0;
function orch(t,f,d,v,i){bg.push({t:t,f:f,d:d,i:i||'strings',v:v||0.4});}
var fast=[A4,G4,A4,E4,A4,G4,A4,E4,F4,E4,D4,C4,B3,A3,B3,C4,D4,E4,F4,E4];
var fLn=[0,3,0,2,0,3,0,2,1,2,0,1,3,0,3,1,0,2,1,2];
var slow=[A4,A4,G4,F4,E4,D4,E4,F4,G4,A4];
var sLn=[0,0,3,1,2,0,2,1,3,0];
// Fast section 1
[0.20,0.18].forEach(function(qf,qi){
var v=0.35+qi*0.1;
fast.forEach(function(f,i){
orch(t,f,qf*0.85,v);if(qi>0)orch(t,f,qf*0.85,v*0.6,'brass');
orch(t,f/2,qf*0.85,v*0.5,'bass');mel.push({t:t,l:fLn[i]});t+=qf;
});
t+=0.35;
});
t+=0.3;
// Slow section (dramatic)
[0.55,0.55,0.50].forEach(function(qs,qi){
var v=0.45+qi*0.05;
slow.forEach(function(f,i){
orch(t,f,qs*0.85,v,'brass');orch(t,f,qs*0.85,v*0.8);
bg.push({t:t,f:f/2,d:qs*0.85,i:'bass',v:v*0.5});
if(qi>0&&i%2===0)bg.push({t:t,f:A3/2,d:0.3,i:'timpani',v:v*0.6});
mel.push({t:t,l:sLn[i]});t+=qs;
});
t+=0.5;
});
t+=0.3;
// Fast section 2 (even faster!)
[0.15,0.13,0.11].forEach(function(qf,qi){
var v=0.5+qi*0.06;
fast.forEach(function(f,i){
orch(t,f,qf*0.85,v);orch(t,f,qf*0.85,v*0.7,'brass');
orch(t,f/2,qf*0.85,v*0.5,'bass');
if(i%3===0)bg.push({t:t,f:A3/2,d:0.2,i:'timpani',v:v*0.7});
mel.push({t:t,l:fLn[i]});t+=qf;
});
t+=0.3;
});
for(var c=0;c<4;c++){
[A3,C4,E4,A4].forEach(function(f){orch(t,f,0.35,0.65,'brass');});
bg.push({t:t,f:A3/2,d:0.35,i:'timpani',v:0.65});mel.push({t:t,l:4});t+=0.45;
}
[A3,C4,E4,A4].forEach(function(f){orch(t,f,2.0,0.6,'brass');orch(t,f,2.0,0.5);});
bg.push({t:t,f:A3/2,d:1.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Hungarian Dance No. 5",composer:"Brahms",bpm:140,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Ode to Joy ──
// Beethoven's 9th Symphony finale in D major, ~85s
// The most famous melody in classical music, builds from solo to full chorus
var odeToJoy=(function(){
var bg=[],mel=[],t=0,q=60/100;
function str(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});}
function brs(t,f,d,v){bg.push({t:t,f:f,d:d,i:'brass',v:v||0.4});}
function ww(t,f,d,v){bg.push({t:t,f:f,d:d,i:'woodwind',v:v||0.3});}
// Harmonic bed
var harm=[
[0,16,[D3,A3,D4],0.08],[16,32,[D3,A3,D4],0.12],[32,48,[D3,A3,D4],0.16],
[48,64,[G3,B3,D4],0.15],[64,88,[D3,A3,D4],0.2]
];
harm.forEach(function(h){
for(var ht=h[0];ht<h[1];ht+=2.5){
h[2].forEach(function(f){bg.push({t:ht,f:f,d:2.3,i:'strings',v:h[3]});});
bg.push({t:ht,f:h[2][0]/2,d:2.3,i:'bass',v:h[3]*0.5});
}
});
// The Ode to Joy melody (A section):
// E-E-F-G | G-F-E-D | C-C-D-E | E-D-D
var melA=[[Gb4,q,2],[Gb4,q,2],[G4,q,3],[A4,q,1],
[A4,q,1],[G4,q,3],[Gb4,q,2],[E4,q,0],
[D4,q,0],[D4,q,0],[E4,q,2],[Gb4,q,2],
[Gb4,q*1.5,2],[E4,q*0.5,0],[E4,q*2,0]];
// B section (contrasting middle):
// E-E-F-G | G-F-E-D | C-C-D-E | D-C-C
var melB=[[Gb4,q,2],[Gb4,q,2],[G4,q,3],[A4,q,1],
[A4,q,1],[G4,q,3],[Gb4,q,2],[E4,q,0],
[D4,q,0],[D4,q,0],[E4,q,2],[Gb4,q,2],
[E4,q*1.5,0],[D4,q*0.5,1],[D4,q*2,1]];
// === SECTION 1 (0-16s): Quiet cellos — theme stated simply ===
melA.forEach(function(n){
str(t,n[0]/2,n[1]*0.9,0.2); // cello register
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
melB.forEach(function(n){
str(t,n[0]/2,n[1]*0.9,0.22);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// === SECTION 2 (16-32s): Violas + woodwinds join ===
melA.forEach(function(n){
str(t,n[0],n[1]*0.9,0.3);ww(t,n[0],n[1]*0.9,0.18);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
melB.forEach(function(n){
str(t,n[0],n[1]*0.9,0.32);ww(t,n[0],n[1]*0.9,0.2);
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// === SECTION 3 (32-48s): Full strings + brass hint ===
melA.forEach(function(n){
str(t,n[0],n[1]*0.9,0.42);brs(t,n[0],n[1]*0.9,0.2);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.2});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
melB.forEach(function(n){
str(t,n[0],n[1]*0.9,0.44);brs(t,n[0],n[1]*0.9,0.22);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.22});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// === SECTION 4 (48-64s): Development — contrasting bridge ===
// Middle section with different harmonies
var bridge=[[E4,q,0],[E4,q*0.5,0],[Gb4,q*0.5,2],[A4,q,1],[A4,q*0.5,1],[G4,q*0.5,3],
[Gb4,q,2],[E4,q*0.5,0],[D4,q*0.5,1],[E4,q,2],[D4,q,1],[A3,q*2,0]];
for(var br=0;br<2;br++){
var bv=0.4+br*0.08;
bridge.forEach(function(n){
str(t,n[0],n[1]*0.9,bv);brs(t,n[0],n[1]*0.9,bv*0.5);
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:bv*0.4});
if(br>0)bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:bv*0.25});
mel.push({t:t,l:n[2]});t+=n[1];
});
bg.push({t:t,f:D3,d:0.3,i:'timpani',v:bv*0.5});mel.push({t:t,l:4});t+=q;
}
// === SECTION 5 (64-80s): Grand finale — full orchestra + choir ===
// "Freude, schöner Götterfunken" at full power
melA.forEach(function(n){
str(t,n[0],n[1]*0.9,0.55);brs(t,n[0],n[1]*0.9,0.45);
ww(t,n[0],n[1]*0.9,0.3);
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:0.35});
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.3});
if(n[2]===1||n[2]===0)bg.push({t:t,f:D3,d:0.15,i:'timpani',v:0.35});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
melB.forEach(function(n){
str(t,n[0],n[1]*0.9,0.58);brs(t,n[0],n[1]*0.9,0.48);
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:0.38});
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.3});
mel.push({t:t,l:n[2]});t+=n[1];
});
t+=q;
// Final triumphant repeat of A
melA.forEach(function(n){
str(t,n[0],n[1]*0.9,0.6);brs(t,n[0],n[1]*0.9,0.5);
bg.push({t:t,f:n[0],d:n[1]*0.9,i:'choir',v:0.4});
bg.push({t:t,f:n[0]/2,d:n[1]*0.9,i:'bass',v:0.35});
mel.push({t:t,l:n[2]});t+=n[1];
});
// === CODA: Big D major chords ===
t+=q;
for(var c=0;c<6;c++){
[D3,A3,D4,Gb4,A4].forEach(function(f){brs(t,f,0.45,0.65);str(t,f,0.45,0.55);});
bg.push({t:t,f:D3/2,d:0.45,i:'timpani',v:0.6});
bg.push({t:t,f:D4,d:0.45,i:'choir',v:0.4});
mel.push({t:t,l:4});t+=0.55;
}
[D3,A3,D4,Gb4,A4,D5].forEach(function(f){
brs(t,f,4.0,0.7);str(t,f,4.0,0.6);bg.push({t:t,f:f,d:4.0,i:'choir',v:0.4});
});
bg.push({t:t,f:D3/2,d:3.0,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Ode to Joy",composer:"Beethoven",bpm:100,duration:Math.ceil(t+4),isClassical:true,bg:bg,melody:mel};
})();
// ── William Tell Overture (Storm) ──
var tellStorm=(function(){
var bg=[],mel=[],t=0;
function dark(t,f,d,v){bg.push({t:t,f:f,d:d,i:'strings',v:v||0.4});bg.push({t:t,f:f/2,d:d,i:'bass',v:(v||0.4)*0.5});}
var theme=[E4,E4,F4,E4,D4,C4,D4,E4,F4,G4,Ab4,G4,F4,E4,D4,C4];
var tLn=[2,2,1,2,0,1,0,2,1,3,0,3,1,2,0,1];
[0.30,0.27,0.24,0.21,0.18,0.16,0.14,0.12].forEach(function(spd,si){
var v=0.25+si*0.05;
theme.forEach(function(f,i){
dark(t,f,spd*0.85,v);
if(si>2)bg.push({t:t,f:f,d:spd*0.85,i:'brass',v:v*0.5});
if(si>3&&i%4===0)bg.push({t:t,f:C3,d:0.4,i:'timpani',v:v*0.8});
mel.push({t:t,l:tLn[i]});t+=spd;
});
t+=0.3;
bg.push({t:t,f:C3,d:0.6,i:'timpani',v:0.35+si*0.04});mel.push({t:t,l:4});t+=0.7;
});
for(var c=0;c<6;c++){
bg.push({t:t,f:C3,d:0.5,i:'timpani',v:0.65});
[C4,Eb4,G4].forEach(function(f){dark(t,f,0.4,0.6);});
mel.push({t:t,l:4});t+=0.5;
}
[C4,Eb4,G4,C5].forEach(function(f){bg.push({t:t,f:f,d:3.0,i:'strings',v:0.5});});
bg.push({t:t,f:C3,d:2.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:"William Tell Overture (Storm)",composer:"Rossini",bpm:132,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
return [b5,hmk,ofort,valk,mars,toccata,tell,bolero,zarath,barber,danube,sabre,bald,sorcerer,swan,morning,bumblebee,sugarplum,overture1812,habanera,spring,furelise,canon,hungarian,odeToJoy,tellStorm];
})();
// ── VIDEO GAMES (public domain pieces associated with games) ──
const VIDEOGAME_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,G3=NT.G3,Ab3=NT.Ab3,A3=NT.A3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,Gb4=NT.Gb4,G4=NT.G4,Ab4=NT.Ab4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5,F5=NT.F5,G5=NT.G5;
// ── Korobeiniki (Tetris Theme) ──
var tetris=(function(){
var bg=[],mel=[],t=0;
// The iconic Tetris melody in A minor
var theme=[E4,B3,C4,D4,C4,B3,A3,A3,C4,E4,D4,C4,B3,B3,C4,D4,E4,C4,A3,A3];
var tLn= [2,3,0,1,0,3,0,0,1,2,1,0,3,3,0,1,2,0,0,0];
var durations=[2,1,1,1,1,1,2,1,1,2,1,1,2,1,1,2,2,2,2,2];
var q=0.22;
for(var rep=0;rep<5;rep++){
var v=0.2+rep*0.08;
var inst=rep<2?'woodwind':rep<4?'strings':'brass';
theme.forEach(function(f,i){
var d=durations[i]*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.4});
if(rep>3)bg.push({t:t,f:f,d:d*0.85,i:'brass',v:v*0.4});
mel.push({t:t,l:tLn[i]});t+=d;
});
t+=0.4;
}
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.55});bg.push({t:t,f:f,d:2.0,i:'strings',v:0.45});});
bg.push({t:t,f:A3/2,d:1.5,i:'timpani',v:0.6});mel.push({t:t,l:4});
return {n:"Korobeiniki (Tetris Theme)",composer:"Russian Folk",bpm:140,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Turkish March (Mozart) ──
var turkish=(function(){
var bg=[],mel=[],t=0,q=0.18;
var theme=[B3,A3,Ab3,A3,C4,D4,C4,B3,A3,B3,C4,D4,E4,D4,C4,B3,A3,B3,A3,A3];
var tLn= [3,0,1,0,2,1,2,3,0,3,0,1,2,1,0,3,0,3,0,0];
for(var rep=0;rep<6;rep++){
var v=0.22+rep*0.06;
var inst=rep<2?'woodwind':rep<4?'strings':'brass';
theme.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.85,i:inst,v:v});
if(rep>2)bg.push({t:t,f:f/2,d:q*0.85,i:'bass',v:v*0.4});
if(rep>4)bg.push({t:t,f:f,d:q*0.85,i:'brass',v:v*0.4});
mel.push({t:t,l:tLn[i]});t+=q;
});
t+=0.35;
}
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.6});});
bg.push({t:t,f:A3/2,d:1.5,i:'timpani',v:0.6});mel.push({t:t,l:4});
return {n:"Turkish March",composer:"Mozart",bpm:132,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Hungarian Rhapsody No. 2 (Liszt) ──
var rhapsody=(function(){
var bg=[],mel=[],t=0;
function orch(t,f,d,v,i){bg.push({t:t,f:f,d:d,i:i||'strings',v:v||0.4});}
// Slow dramatic opening then fast friska
var slow=[C4,D4,Eb4,D4,C4,D4,Eb4,F4,G4,F4,Eb4,D4];
var sLn= [0,1,2,1,0,1,2,3,0,3,2,1];
// Slow section
[0.45,0.42].forEach(function(qs,qi){
var v=0.35+qi*0.1;
slow.forEach(function(f,i){
orch(t,f,qs*0.85,v,'strings');
if(qi>0)orch(t,f,qs*0.85,v*0.5,'brass');
bg.push({t:t,f:f/2,d:qs*0.85,i:'bass',v:v*0.4});
mel.push({t:t,l:sLn[i]});t+=qs;
});
t+=0.5;
});
// Fast friska
var fast=[C4,E4,G4,C5,G4,E4,C4,D4,F4,A4,F4,D4,C4,E4,G4,C5,B4,A4,G4,E4];
var fLn= [0,2,3,0,3,2,0,1,2,1,2,1,0,2,3,0,3,1,3,2];
[0.16,0.14,0.12,0.10].forEach(function(qf,qi){
var v=0.4+qi*0.06;
fast.forEach(function(f,i){
orch(t,f,qf*0.85,v);
if(qi>0)orch(t,f,qf*0.85,v*0.5,'brass');
orch(t,f/2,qf*0.85,v*0.4,'bass');
if(qi>1&&i%4===0)bg.push({t:t,f:C3,d:0.2,i:'timpani',v:v*0.6});
mel.push({t:t,l:fLn[i]});t+=qf;
});
t+=0.3;
});
for(var c=0;c<4;c++){
[C4,E4,G4,C5].forEach(function(f){orch(t,f,0.35,0.65,'brass');});
bg.push({t:t,f:C3,d:0.35,i:'timpani',v:0.65});mel.push({t:t,l:4});t+=0.45;
}
[C4,E4,G4,C5].forEach(function(f){orch(t,f,2.0,0.6,'brass');orch(t,f,2.0,0.5);});
bg.push({t:t,f:C3,d:1.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Hungarian Rhapsody No. 2",composer:"Liszt",bpm:140,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Can-Can (Offenbach) ──
var cancan=(function(){
var bg=[],mel=[],t=0,q=0.16;
var theme=[C4,D4,E4,C4,E4,C4,E4,D4,E4,F4,E4,D4,C4,D4,E4,F4,G4,A4,G4,E4,C4,D4,E4,C4];
var tLn= [0,1,2,0,2,0,2,1,2,3,2,1,0,1,2,3,0,1,0,2,0,1,2,0];
for(var rep=0;rep<6;rep++){
var v=0.25+rep*0.06;
var inst=rep<2?'strings':rep<4?'strings':'brass';
theme.forEach(function(f,i){
bg.push({t:t,f:f,d:q*0.85,i:inst,v:v});
if(rep>2)bg.push({t:t,f:f/2,d:q*0.85,i:'bass',v:v*0.4});
if(rep>3)bg.push({t:t,f:f,d:q*0.85,i:'brass',v:v*0.4});
if(rep>4&&i%4===0)bg.push({t:t,f:C3,d:0.2,i:'timpani',v:v*0.6});
mel.push({t:t,l:tLn[i]});t+=q;
});
t+=0.35;
}
[C4,E4,G4,C5].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.6});});
bg.push({t:t,f:C3,d:1.5,i:'timpani',v:0.65});mel.push({t:t,l:4});
return {n:"Can-Can",composer:"Offenbach",bpm:152,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
// ── Kalinka (Russian Folk) ──
var kalinka=(function(){
var bg=[],mel=[],t=0;
// Kalinka starts slow then gets very fast
var theme=[E4,E4,D4,C4,B3,A3,B3,C4,D4,E4,F4,E4,D4,C4,B3,A3];
var tLn= [2,2,0,1,3,0,3,1,0,2,1,2,0,1,3,0];
var speeds=[0.35,0.30,0.25,0.20,0.16,0.13,0.10];
var vols= [0.2, 0.26,0.32,0.38,0.45,0.52,0.6];
var insts= ['woodwind','woodwind','strings','strings','brass','brass','brass'];
speeds.forEach(function(spd,si){
theme.forEach(function(f,i){
bg.push({t:t,f:f,d:spd*0.85,i:insts[si],v:vols[si]});
if(si>2)bg.push({t:t,f:f/2,d:spd*0.85,i:'bass',v:vols[si]*0.4});
if(si>4&&i%3===0)bg.push({t:t,f:A3/2,d:0.2,i:'timpani',v:vols[si]*0.6});
mel.push({t:t,l:tLn[i]});t+=spd;
});
t+=0.35;
});
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.6});});
bg.push({t:t,f:A3/2,d:1.5,i:'timpani',v:0.7});mel.push({t:t,l:4});
return {n:"Kalinka",composer:"Russian Folk",bpm:140,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
})();
return [tetris,turkish,rhapsody,cancan,kalinka];
})();
// ── CHIPTUNE ORIGINALS (Claude.ai compositions using square waves) ──
const CHIPTUNE_PIECES=(function(){
var C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,G4=NT.G4,Ab4=NT.Ab4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5,G3=NT.G3,A3=NT.A3,B3=NT.B3,C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,
Gb4=NT.Gb4,F5=NT.F5,G5=NT.G5;
// Chiptune helper: square wave + simple pulse bass
function chip(name,bpm,theme,lanes,passes,root){
var bg=[],mel=[],t=0;
passes.forEach(function(p,pi){
theme.forEach(function(f,ni){
// Square wave lead (chiptune character)
bg.push({t:t,f:f,d:p.d*0.8,i:'brass',v:p.v}); // square-ish
// Pulse bass on beat
if(ni%4===0)bg.push({t:t,f:root||theme[0],d:p.d*3,i:'bass',v:p.v*0.35});
// Add arpeggiated accompaniment in later passes
if(pi>=Math.floor(passes.length*0.4)){
bg.push({t:t,f:f*1.5,d:p.d*0.4,i:'woodwind',v:p.v*0.25});
}
if(pi>=Math.floor(passes.length*0.7)&&ni%2===0){
bg.push({t:t,f:root||theme[0],d:p.d*0.5,i:'timpani',v:p.v*0.4});
}
mel.push({t:t,l:lanes[ni%lanes.length]});t+=p.d;
});
t+=0.3;
});
var r=root||theme[0];
for(var c=0;c<3;c++){bg.push({t:t,f:r,d:0.3,i:'brass',v:0.6});bg.push({t:t,f:r*2,d:0.3,i:'brass',v:0.5});bg.push({t:t,f:r/2,d:0.3,i:'timpani',v:0.55});mel.push({t:t,l:4});t+=0.4;}
bg.push({t:t,f:r,d:1.5,i:'brass',v:0.55});bg.push({t:t,f:r*2,d:1.5,i:'brass',v:0.45});mel.push({t:t,l:4});
return {n:name,composer:"Claude.ai",bpm:bpm,duration:Math.ceil(t+2),isClassical:true,bg:bg,melody:mel};
}
// ── Pixel Quest (Platformer Theme) ──
var platformer=chip("Pixel Quest",150,
[C4,E4,G4,C5,G4,E4,C4,D4,F4,A4,F4,D4,E4,G4,B4,G4,C4,E4,G4,E4,C4,G4,E4,C4],
[0,2,3,0,3,2,0,1,2,1,2,1,2,3,0,3,0,2,3,2,0,3,2,0],
[{d:0.20,v:0.22,i:'brass'},{d:0.18,v:0.28,i:'brass'},{d:0.16,v:0.35,i:'brass'},{d:0.15,v:0.42,i:'brass'},{d:0.14,v:0.48,i:'brass'},{d:0.13,v:0.55,i:'brass'}],
C4);
// ── Starfield (Space Shooter Theme) ──
var spaceshooter=chip("Starfield",160,
[E4,E4,G4,A4,G4,E4,D4,E4,G4,A4,B4,A4,G4,E4,D4,C4,E4,G4,B4,D5,B4,G4,E4,D4],
[2,2,3,0,3,2,1,2,3,0,1,0,3,2,1,0,2,3,1,0,1,3,2,1],
[{d:0.18,v:0.22,i:'brass'},{d:0.16,v:0.3,i:'brass'},{d:0.15,v:0.38,i:'brass'},{d:0.14,v:0.44,i:'brass'},{d:0.13,v:0.5,i:'brass'},{d:0.12,v:0.56,i:'brass'}],
E4);
// ── Dragon's Keep (RPG Overworld) ──
var rpg=chip("Dragon's Keep",110,
[A3,C4,E4,A4,G4,F4,E4,D4,C4,E4,G4,C5,B4,A4,G4,E4,F4,A4,C5,A4,F4,D4,E4,A3],
[0,1,2,0,3,1,2,0,1,2,3,0,3,0,3,2,1,0,2,0,1,0,2,0],
[{d:0.30,v:0.18,i:'brass'},{d:0.28,v:0.24,i:'brass'},{d:0.26,v:0.32,i:'brass'},{d:0.24,v:0.4,i:'brass'},{d:0.22,v:0.48,i:'brass'},{d:0.20,v:0.55,i:'brass'}],
A3);
// ── Turbo Dash (Racing Theme) ──
var racing=chip("Turbo Dash",170,
[G4,B4,D5,G5,D5,B4,G4,A4,C5,E5,C5,A4,G4,B4,D5,B4,G4,D4,G4,B4,D5,G4,B4,D5],
[0,3,1,0,1,3,0,1,2,0,2,1,0,3,1,3,0,1,0,3,1,0,3,1],
[{d:0.16,v:0.25,i:'brass'},{d:0.14,v:0.32,i:'brass'},{d:0.13,v:0.4,i:'brass'},{d:0.12,v:0.46,i:'brass'},{d:0.11,v:0.52,i:'brass'},{d:0.10,v:0.58,i:'brass'}],
G4);
// ── Dungeon Crawl (Dark Adventure) ──
var dungeon=chip("Dungeon Crawl",100,
[D4,F4,A4,D4,Eb4,G4,Bb4,Eb4,D4,F4,Ab4,D4,C4,Eb4,G4,C4,D4,F4,A4,F4,D4,A3,D4,F4],
[0,2,0,0,1,3,2,1,0,2,0,0,1,2,3,1,0,2,0,2,0,4,0,2],
[{d:0.32,v:0.2,i:'brass'},{d:0.30,v:0.28,i:'brass'},{d:0.28,v:0.35,i:'brass'},{d:0.26,v:0.42,i:'brass'},{d:0.24,v:0.48,i:'brass'},{d:0.22,v:0.55,i:'brass'}],
D4);
// ── Victory Fanfare (Boss Defeated) ──
var victory=chip("Victory Fanfare",130,
[C4,C4,C4,E4,G4,E4,G4,A4,G4,E4,C4,E4,G4,C5,G4,E4,C5,D5,E5,C5,G4,E4,C4,C5],
[0,0,0,2,3,2,3,0,3,2,0,2,3,0,3,2,0,1,2,0,3,2,0,0],
[{d:0.22,v:0.25,i:'brass'},{d:0.20,v:0.32,i:'brass'},{d:0.18,v:0.4,i:'brass'},{d:0.16,v:0.48,i:'brass'},{d:0.14,v:0.55,i:'brass'},{d:0.12,v:0.62,i:'brass'}],
C4);
return [platformer,spaceshooter,rpg,racing,dungeon,victory];
})();
// ── FOLK (public domain traditional songs) ──
const FOLK_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,Ab3=NT.Ab3,A3=NT.A3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,Gb4=NT.Gb4,G4=NT.G4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5,F5=NT.F5,G5=NT.G5;
// Folk piece helper
function folk(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.25;
for(var rep=0;rep<passes;rep++){
var v=0.2+rep*0.08;
var inst=rep<Math.floor(passes*0.3)?'woodwind':rep<Math.floor(passes*0.7)?'strings':'brass';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.35});
if(rep>Math.floor(passes*0.6))bg.push({t:t,f:f,d:d*0.85,i:'strings',v:v*0.4});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.4;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'strings',v:0.5});bg.push({t:t,f:f,d:2.0,i:'brass',v:0.4});});
bg.push({t:t,f:r/2,d:1.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
// ── Oh Susanna ──
var ohsusanna=folk("Oh! Susanna","Stephen Foster (1848)",120,
[C4,D4,E4,G4,G4,A4,G4,E4,C4,D4,E4,E4,D4,C4,D4,C4,D4,E4,G4,G4,A4,G4,E4,C4,D4,E4,E4,D4,D4,C4],
[0,1,2,3,3,0,3,2,0,1,2,2,1,0,1,0,1,2,3,3,0,3,2,0,1,2,2,1,1,0],
[1,1,2,2,1,1,2,2,1,1,2,1,1,2,2,1,1,2,2,1,1,2,2,1,1,2,1,1,1,3],
5,C4);
// ── Greensleeves ──
var greensleeves=folk("Greensleeves","English Traditional (1580)",100,
[A3,C4,D4,E4,F4,E4,D4,B3,G3,A3,B3,C4,A3,A3,Ab3,A3,B3,Ab3,A3,C4,D4,E4,F4,E4,D4,B3,G3,A3,B3,C4,B3,A3],
[0,1,0,2,1,2,0,3,3,0,3,1,0,0,1,0,3,3,0,1,0,2,1,2,0,3,3,0,3,1,3,0],
[2,1,2,2,1,2,2,1,2,1,1,2,2,1,1,1,2,2,2,1,2,2,1,2,2,1,2,1,1,1,1,3],
4,A3);
// ── Camptown Races ──
var camptown=folk("Camptown Races","Stephen Foster (1850)",140,
[G4,G4,E4,G4,A4,G4,E4,C4,D4,D4,E4,E4,F4,E4,D4,C4,C4,E4,G4,G4,G4,E4,G4,A4,G4,E4,C4,G4,A4,B4,A4,G4,E4,D4,D4,C4],
[3,3,2,3,0,3,2,0,1,1,2,2,1,2,1,0,0,2,3,3,3,2,3,0,3,2,0,3,0,3,0,3,2,1,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3],
3,C4);
// ── Red River Valley ──
var redriver=folk("Red River Valley","American Traditional (1870s)",85,
[C4,D4,E4,G4,G4,E4,D4,C4,D4,E4,F4,E4,D4,C4,E4,G4,A4,G4,E4,D4,C4,D4,E4,C4],
[0,1,2,3,3,2,1,0,1,2,1,2,1,0,2,3,0,3,2,1,0,1,2,0],
[2,1,1,3,1,1,1,2,1,1,1,2,1,2,1,2,2,1,1,1,2,1,2,3],
4,C4);
// ── Home on the Range ──
var homerange=folk("Home on the Range","American Traditional (1870s)",95,
[C4,E4,G4,A4,G4,E4,C4,D4,F4,A4,G4,F4,E4,D4,C4,E4,G4,C5,A4,G4,E4,D4,C4,C4],
[0,2,3,0,3,2,0,1,1,0,3,1,2,1,0,2,3,0,0,3,2,1,0,0],
[2,1,2,2,1,1,2,1,1,2,1,1,2,1,2,1,2,2,1,1,1,1,2,3],
4,C4);
// ── Yankee Doodle ──
var yankee=folk("Yankee Doodle","American Traditional (1770s)",130,
[C4,C4,D4,E4,C4,E4,D4,G3,C4,C4,D4,E4,C4,B3,C4,C4,D4,E4,F4,E4,D4,C4,B3,G3,A3,B3,C4,C4],
[0,0,1,2,0,2,1,3,0,0,1,2,0,3,0,0,1,2,1,2,1,0,3,3,0,3,0,0],
[1,1,1,1,1,1,2,2,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,2,3],
5,C4);
// ── Turkey in the Straw ──
var turkey=folk("Turkey in the Straw","American Traditional (1820s)",145,
[G4,A4,B4,G4,E4,G4,A4,B4,C5,B4,A4,G4,E4,D4,E4,G4,A4,B4,C5,D5,C5,B4,A4,G4],
[0,1,3,0,2,0,1,3,0,3,1,0,2,1,2,0,1,3,0,1,0,3,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,3],
5,G4);
// ── Danny Boy ──
var dannyboy=folk("Danny Boy","Irish Traditional (1910s)",72,
[C4,E4,F4,G4,A4,G4,A4,C5,B4,A4,G4,F4,G4,C4,E4,F4,G4,A4,G4,A4,C5,D5,C5,A4,G4,A4,A4,C5,D5,E5,D5,C5,A4,C5,B4,A4,G4,A4,G4,E4,C4,E4,F4,G4,A4,G4,F4,E4,C4],
[0,2,1,3,0,3,0,0,3,0,3,1,3,0,2,1,3,0,3,0,0,1,0,0,3,0,0,0,1,2,1,0,0,0,3,0,3,0,3,2,0,2,1,3,0,3,1,2,0],
[2,1,1,2,1,1,1,2,1,1,1,2,3,2,1,1,2,1,1,1,2,1,1,1,2,3,1,1,2,2,1,1,1,1,1,1,2,1,1,1,2,1,1,2,1,1,1,2,4],
3,C4);
return [ohsusanna,greensleeves,camptown,redriver,homerange,yankee,turkey,dannyboy];
})();
// Synth genre lookup — all genres that use bg+melody synth mode
// ── CHRISTMAS (public domain carols) ──
const CHRISTMAS_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,A3=NT.A3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,G4=NT.G4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,Eb5=NT.Eb5,E5=NT.E5,F5=NT.F5,G5=NT.G5;
function carol(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.25;
for(var rep=0;rep<passes;rep++){
var v=0.2+rep*0.08;
var inst=rep<Math.floor(passes*0.3)?'woodwind':rep<Math.floor(passes*0.7)?'strings':'brass';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.35});
if(rep>Math.floor(passes*0.5))bg.push({t:t,f:f,d:d*0.85,i:'choir',v:v*0.3});
if(rep>Math.floor(passes*0.7))bg.push({t:t,f:f,d:d*0.85,i:'brass',v:v*0.35});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.4;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'choir',v:0.45});bg.push({t:t,f:f,d:2.5,i:'strings',v:0.4});});
bg.push({t:t,f:r/2,d:2.0,i:'timpani',v:0.5});mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
}
var jingle=carol("Jingle Bells","J. Pierpont (1857)",140,
[E4,E4,E4,E4,E4,E4,E4,G4,C4,D4,E4,F4,F4,F4,F4,F4,E4,E4,E4,E4,D4,D4,E4,D4,G4,E4,E4,E4,E4,E4,E4,E4,G4,C4,D4,E4,F4,F4,F4,F4,F4,E4,E4,G4,G4,F4,D4,C4],
[2,2,2,2,2,2,2,3,0,1,2,1,1,1,1,1,2,2,2,2,1,1,2,1,3,2,2,2,2,2,2,2,3,0,1,2,1,1,1,1,1,2,2,3,3,1,1,0],
[1,1,2,1,1,2,1,1,1,1,4,1,1,1,1,1,1,1,1,1,1,1,1,1,4,1,1,2,1,1,2,1,1,1,1,4,1,1,1,1,1,1,1,1,1,1,1,4],
4,C4);
var silent=carol("Silent Night","F. Gruber (1818)",72,
[G4,A4,G4,E4,G4,A4,G4,E4,D5,D5,B4,C5,C5,G4,A4,A4,C5,B4,A4,G4,A4,G4,E4,A4,A4,C5,B4,A4,G4,A4,G4,E4,D5,D5,F5,D5,B4,C5,E5,C5,G4,E4,G4,F4,D4,C4],
[3,0,3,2,3,0,3,2,0,0,3,0,0,3,0,0,0,3,0,3,0,3,2,0,0,0,3,0,3,0,3,2,0,0,1,0,3,0,2,0,3,2,3,1,1,0],
[2,1,2,3,2,1,2,3,2,1,3,2,1,3,2,1,2,1,2,2,1,2,3,2,1,2,1,2,2,1,2,3,2,1,2,1,3,2,2,2,2,1,1,1,1,4],
3,C4);
var deck=carol("Deck the Halls","Welsh (1862)",130,
[C5,Bb4,A4,G4,F4,G4,A4,F4,G4,A4,Bb4,G4,A4,G4,F4,E4,D4,E4,F4,G4,A4,G4,F4,E4,F4,G4,A4,Bb4,C5,A4,G4,F4],
[0,3,0,3,1,3,0,1,3,0,2,3,0,3,1,2,1,2,1,3,0,3,1,2,1,3,0,2,0,0,3,1],
[2,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,2,1,1,4],
4,F4);
var wish=carol("We Wish You a Merry Christmas","English (1500s)",140,
[G4,C5,C5,D5,C5,B4,A4,A4,D5,D5,E5,D5,C5,B4,G4,E5,E5,F5,E5,D5,C5,A4,G4,G4,A4,D5,B4,C5],
[3,0,0,1,0,3,0,0,1,1,2,1,0,3,3,2,2,1,2,1,0,0,3,3,0,1,3,0],
[1,1,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,1,4],
5,C4);
var ocometree=carol("O Christmas Tree","German (1824)",100,
[F4,Bb4,Bb4,Bb4,C5,D5,D5,D5,D5,Eb5,C5,A4,Bb4,F4,Bb4,Bb4,Bb4,C5,D5,D5,D5,D5,Eb5,C5,A4,Bb4],
[1,2,2,2,0,1,1,1,1,2,0,0,2,1,2,2,2,0,1,1,1,1,2,0,0,2],
[1,2,1,1,1,2,1,1,1,1,1,1,3,1,2,1,1,1,2,1,1,1,1,1,1,4],
4,Bb4);
var firstnoel=carol("The First Noel","English (1823)",95,
[E4,D4,C4,D4,E4,F4,G4,A4,B4,C5,B4,A4,G4,A4,B4,C5,B4,A4,G4,A4,B4,C5,G4,F4,E4,D4,C4,D4,C4],
[2,1,0,1,2,1,3,0,3,0,3,0,3,0,3,0,3,0,3,0,3,0,3,1,2,1,0,1,0],
[1,1,2,1,1,1,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,2,1,4],
4,C4);
var joy=carol("Joy to the World","G.F. Handel (1719)",120,
[C5,B4,A4,G4,F4,E4,D4,C4,G4,A4,A4,B4,B4,C5,C5,C5,B4,A4,G4,G4,F4,E4,C5,C5,B4,A4,G4,G4,F4,E4,D4,C4],
[0,3,0,3,1,2,1,0,3,0,0,3,3,0,0,0,3,0,3,3,1,2,0,0,3,0,3,3,1,2,1,0],
[2,1,1,2,1,1,1,3,2,1,2,1,2,1,2,1,1,1,2,1,1,3,2,1,1,1,2,1,1,1,1,4],
4,C4);
var away=carol("Away in a Manger","J.Murray (1885)",80,
[C4,F4,F4,F4,G4,A4,F4,F4,A4,G4,F4,G4,F4,D4,C4,C4,F4,F4,F4,G4,A4,F4,F4,A4,G4,F4,G4,F4,D4,C4,Bb4,A4,F4],
[0,1,1,1,3,0,1,1,0,3,1,3,1,1,0,0,1,1,1,3,0,1,1,0,3,1,3,1,1,0,2,0,1],
[1,2,1,1,1,2,1,1,2,1,1,1,2,1,3,1,2,1,1,1,2,1,1,2,1,1,1,2,1,2,1,1,4],
4,F4);
var twelve=carol("12 Days of Christmas","English (1780)",110,
[C4,F4,F4,F4,F4,E4,F4,G4,A4,Bb4,A4,G4,F4,G4,A4,Bb4,A4,G4,F4,G4,A4,Bb4,C5,A4,Bb4,G4,A4,F4],
[0,1,1,1,1,2,1,3,0,2,0,3,1,3,0,2,0,3,1,3,0,2,0,0,2,3,0,1],
[1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,4],
5,F4);
var hark=carol("Hark the Herald Angels Sing","Mendelssohn (1840)",115,
[C4,F4,F4,E4,F4,A4,A4,G4,C5,A4,A4,G4,C5,A4,A4,G4,A4,Bb4,G4,A4,Bb4,C5,A4,F4,G4,Bb4,A4,G4,F4],
[0,1,1,2,1,0,0,3,0,0,0,3,0,0,0,3,0,2,3,0,2,0,0,1,3,2,0,3,1],
[1,2,1,1,2,1,1,2,1,1,1,2,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,4],
4,F4);
// ── O Come All Ye Faithful (G major → transposed to C) ──
var ocome=carol("O Come All Ye Faithful","J.F. Wade (1743)",100,
[C4,C4,G4,C4,D4,G4,E4,D4,E4,F4,E4,D4,C4,B4,A4,B4,C5,B4,A4,G4,A4,E4,F4,E4,D4,E4,F4,D4,C4,D4,C4,Bb4,A4,G4,F4,E4,F4,E4,D4,C4],
[0,0,3,0,1,3,2,1,2,1,2,1,0,3,0,3,0,3,0,3,0,2,1,2,1,2,1,1,0,1,0,2,0,3,1,2,1,2,1,0],
[2,1,2,1,2,3,1,1,1,1,1,1,2,1,1,1,2,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,4],
3,C4);
// ── God Rest Ye Merry Gentlemen (E minor / A minor) ──
var godrest=carol("God Rest Ye Merry Gentlemen","English (1500s)",120,
[E4,E4,E4,D4,C4,D4,E4,F4,G4,A4,Bb4,A4,G4,F4,E4,D4,C4,D4,E4,F4,E4,D4,C4,B3,C4,G4,G4,F4,E4,F4,G4,A4,Bb4,A4,G4,F4,E4],
[2,2,2,1,0,1,2,1,3,0,2,0,3,1,2,1,0,1,2,1,2,1,0,3,0,3,3,1,2,1,3,0,2,0,3,1,2],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,4],
4,E4);
// ── What Child Is This (Greensleeves melody as a carol) ──
var whatchild=carol("What Child Is This","English (1865)",95,
[E4,A4,B4,C5,B4,A4,G4,E4,D4,E4,F4,E4,D4,C4,E4,A4,B4,C5,B4,A4,Ab4,B4,C5,A4,A4],
[2,0,3,0,3,0,3,2,1,2,1,2,1,0,2,0,3,0,3,0,1,3,0,0,0],
[2,2,2,1,2,2,2,1,2,1,2,1,2,3,2,2,2,1,2,1,1,1,2,1,4],
4,A4);
// ── Angels We Have Heard on High ──
var angels=carol("Angels We Have Heard on High","French (1862)",110,
[E4,E4,E4,E4,F4,D4,E4,F4,E4,E4,F4,D4,E4,F4,G4,F4,E4,D4,E4,C4,D4,E4,F4,D4,E4,F4,G4,F4,E4,D4,E4,C4,C4],
[2,2,2,2,1,1,2,1,2,2,1,1,2,1,3,1,2,1,2,0,1,2,1,1,2,1,3,1,2,1,2,0,0],
[1,1,1,1,1,2,1,1,1,1,1,2,1,1,2,1,1,1,1,2,1,1,1,2,1,1,2,1,1,1,1,2,4],
4,C4);
// ── O Holy Night (in C major) ──
var oholynight=carol("O Holy Night","A. Adam (1847)",72,
[C4,F4,F4,F4,E4,F4,A4,A4,G4,F4,F4,Bb4,A4,G4,F4,G4,A4,G4,F4,E4,F4,C5,C5,Bb4,A4,G4,A4,Bb4,A4,G4,F4],
[0,1,1,1,2,1,0,0,3,1,1,2,0,3,1,3,0,3,1,2,1,0,0,2,0,3,0,2,0,3,1],
[2,2,1,1,1,1,2,1,1,2,1,2,1,1,1,1,2,1,1,1,3,2,1,1,1,1,1,1,1,1,4],
3,F4);
// ── Rudolph the Red-Nosed Reindeer (in C major) ──
var rudolph=carol("Rudolph the Red-Nosed Reindeer","J. Marks (1949)",130,
[G4,A4,G4,E4,C5,A4,G4,G4,A4,G4,A4,G4,C5,B4,F4,A4,G4,F4,D4,E4,F4,D4,G4,A4,G4,E4,C5,A4,G4,G4,A4,G4,A4,G4,A4,D5,C5],
[3,0,3,2,0,0,3,3,0,3,0,3,0,3,1,0,3,1,1,2,1,1,3,0,3,2,0,0,3,3,0,3,0,3,0,1,0],
[1,1,1,1,2,1,2,1,1,1,1,1,2,3,1,1,1,1,1,1,1,3,1,1,1,1,2,1,2,1,1,1,1,1,1,1,4],
3,C4);
// ── Frosty the Snowman (in C major) ──
var frosty=carol("Frosty the Snowman","S. Nelson (1950)",125,
[G4,E4,F4,G4,C5,B4,A4,G4,A4,G4,F4,E4,F4,A4,G4,F4,E4,D4,C4,C4,G4,E4,F4,G4,C5,B4,A4,G4,A4,G4,F4,E4,D4,C4],
[3,2,1,3,0,3,0,3,0,3,1,2,1,0,3,1,2,1,0,0,3,2,1,3,0,3,0,3,0,3,1,2,1,0],
[1,1,1,2,1,1,1,1,1,1,1,1,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Winter Wonderland (in C major) ──
var winter=carol("Winter Wonderland","F. Bernard (1934)",120,
[E4,F4,G4,G4,A4,G4,F4,E4,D4,E4,F4,F4,G4,F4,E4,D4,C4,E4,F4,G4,G4,A4,G4,F4,E4,D4,E4,F4,F4,G4,F4,E4,D4,C4],
[2,1,3,3,0,3,1,2,1,2,1,1,3,1,2,1,0,2,1,3,3,0,3,1,2,1,2,1,1,3,1,2,1,0],
[1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,3,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,4],
3,C4);
// ── Good King Wenceslas (in F major) ──
var wenceslas=carol("Good King Wenceslas","Finnish (1582)",110,
[F4,F4,F4,G4,F4,F4,C4,D4,E4,F4,F4,G4,F4,F4,C4,C5,Bb4,A4,G4,A4,Bb4,A4,G4,F4,G4,A4,Bb4,C5,Bb4,A4,G4,F4],
[1,1,1,3,1,1,0,1,2,1,1,3,1,1,0,0,2,0,3,0,2,0,3,1,3,0,2,0,2,0,3,1],
[1,1,1,1,1,1,2,1,1,1,1,1,1,1,3,1,1,1,1,1,1,1,1,2,1,1,1,2,1,1,1,4],
4,F4);
// ── We Three Kings (E minor) ──
var threekings=carol("We Three Kings","J.H. Hopkins Jr. (1857)",105,
[B4,A4,G4,A4,B4,B4,B4,A4,G4,A4,B4,A4,G4,F4,E4,E4,B4,B4,C5,D5,D5,C5,B4,A4,B4,C5,B4,A4,G4,A4,G4,E4],
[3,0,3,0,3,3,3,0,3,0,3,0,3,1,2,2,3,3,0,1,1,0,3,0,3,0,3,0,3,0,3,2],
[2,1,2,1,1,1,2,1,2,1,1,1,1,1,2,3,2,1,1,2,1,1,2,1,1,1,1,1,1,1,1,4],
4,E4);
return [jingle,silent,deck,wish,ocometree,firstnoel,joy,away,twelve,hark,ocome,godrest,whatchild,angels,oholynight,rudolph,frosty,winter,wenceslas,threekings];
})();
// ── SINGALONG (campfire, sea shanties, pub songs) ──
const SINGALONG_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,Ab3=NT.Ab3,A3=NT.A3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,E4=NT.E4,F4=NT.F4,G4=NT.G4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5,F5=NT.F5,G5=NT.G5;
function pub(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.25;
for(var rep=0;rep<passes;rep++){
var v=0.22+rep*0.07;
var inst=rep<Math.floor(passes*0.4)?'woodwind':rep<Math.floor(passes*0.7)?'strings':'brass';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.35});
if(rep>Math.floor(passes*0.6))bg.push({t:t,f:f,d:d*0.85,i:'brass',v:v*0.4});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.4;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.5});bg.push({t:t,f:f,d:2.0,i:'strings',v:0.4});});
bg.push({t:t,f:r/2,d:1.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
var drunken=pub("Drunken Sailor","Sea Shanty (Trad.)",140,
[D4,D4,D4,D4,E4,F4,D4,D4,D4,D4,E4,D4,C4,D4,D4,D4,E4,F4,D4,D4,F4,E4,C4,A3,D4,D4,D4,D4,F4,A4,A4,G4,F4,E4,D4,C4,D4],
[0,0,0,0,2,1,0,0,0,0,2,0,1,0,0,0,2,1,0,0,1,2,1,0,0,0,0,0,1,0,0,3,1,2,0,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,3],
4,D4);
var molly=pub("Molly Malone","Irish (1880s)",100,
[C4,E4,E4,E4,F4,G4,G4,G4,A4,G4,F4,E4,D4,E4,F4,G4,A4,C5,C5,B4,A4,G4,F4,E4,D4,C4,E4,G4,C5,C5,B4,A4,G4,F4,E4,D4,C4],
[0,2,2,2,1,3,3,3,0,3,1,2,1,2,1,3,0,0,0,3,0,3,1,2,1,0,2,3,0,0,3,0,3,1,2,1,0],
[1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,2,1,2,1,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,1,1,4],
4,C4);
var whiskey=pub("Whiskey in the Jar","Irish (Trad.)",125,
[G4,G4,A4,B4,B4,A4,G4,E4,D4,E4,G4,G4,A4,B4,D5,B4,A4,G4,E4,D4,E4,G4,A4,B4,A4,G4,E4,D4,E4,G4],
[3,3,0,3,3,0,3,2,1,2,3,3,0,3,1,3,0,3,2,1,2,3,0,3,0,3,2,1,2,3],
[1,1,1,2,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,3],
5,G4);
var parting=pub("The Parting Glass","Irish/Scots (Trad.)",80,
[E4,G4,A4,B4,A4,G4,E4,D4,E4,G4,A4,B4,D5,B4,A4,G4,E4,G4,A4,B4,A4,G4,E4,D4,E4,G4,A4,B4,D5,B4,A4,G4],
[2,3,0,3,0,3,2,1,2,3,0,3,1,3,0,3,2,3,0,3,0,3,2,1,2,3,0,3,1,3,0,3],
[1,1,2,1,1,1,2,1,1,1,2,1,1,1,2,2,1,1,2,1,1,1,2,1,1,1,2,1,1,1,2,3],
4,E4);
var amazing=pub("Amazing Grace","J. Newton (1779)",80,
[G4,C5,E5,C5,E5,D5,C5,A4,G4,G4,C5,E5,C5,E5,D5,G5,G5,E5,C5,C5,A4,G4,G4,C5,E5,C5,E5,D5,C5],
[3,0,2,0,2,1,0,0,3,3,0,2,0,2,1,3,3,2,0,0,0,3,3,0,2,0,2,1,0],
[1,2,1,1,2,2,1,2,2,1,2,1,1,2,4,2,1,2,1,2,1,2,1,2,1,1,2,2,4],
4,C4);
var auld=pub("Auld Lang Syne","R. Burns (1788)",95,
[C4,F4,F4,F4,A4,G4,F4,G4,A4,F4,F4,A4,C5,D5,D5,D5,C5,A4,F4,F4,G4,A4,G4,F4,D4,C4],
[0,1,1,1,0,3,1,3,0,1,1,0,0,1,1,1,0,0,1,1,3,0,3,1,1,0],
[1,2,1,1,1,2,1,1,1,2,1,1,1,4,1,1,1,2,1,1,1,2,1,2,1,4],
4,F4);
var saints=pub("When the Saints Go Marching In","Spiritual (Trad.)",120,
[C4,E4,F4,G4,C4,E4,F4,G4,C4,E4,F4,G4,E4,C4,E4,D4,E4,E4,D4,C4,C4,E4,G4,G4,F4,E4,F4,G4,E4,C4,D4,C4],
[0,2,1,3,0,2,1,3,0,2,1,3,2,0,2,1,2,2,1,0,0,2,3,3,1,2,1,3,2,0,1,0],
[1,1,1,3,1,1,1,3,1,1,1,2,1,1,1,2,1,1,1,2,1,1,2,1,2,1,1,2,1,1,1,4],
4,C4);
var clementine=pub("Oh My Darling, Clementine","P. Montrose (1884)",110,
[C4,C4,C4,G3,E4,E4,E4,C4,C4,E4,G4,G4,F4,E4,F4,G4,G4,F4,E4,F4,E4,D4,C4,D4,E4,F4,F4,E4,D4,E4,C4],
[0,0,0,3,2,2,2,0,0,2,3,3,1,2,1,3,3,1,2,1,2,1,0,1,2,1,1,2,1,2,0],
[1,1,1,2,1,1,1,2,1,1,2,1,1,1,2,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,4],
4,C4);
var scarborough=pub("Scarborough Fair","English (Medieval)",85,
[D4,D4,A4,A4,D5,D5,C5,D5,E5,D5,C5,A4,B4,A4,G4,B4,A4,G4,F4,F4,G4,A4,F4,E4,D4,E4,F4,D4,D4,F4,G4,A4,G4,F4,E4,D4],
[0,0,0,0,1,1,0,1,2,1,0,0,3,0,3,3,0,3,1,1,3,0,1,2,0,2,1,0,0,1,3,0,3,1,2,0],
[3,3,2,1,3,1,1,1,3,2,1,1,1,1,2,1,3,3,1,2,1,1,1,1,2,1,3,3,1,1,1,3,1,1,1,4],
4,D4);
var bonnie=pub("My Bonnie Lies Over the Ocean","Scottish (1881)",120,
[G4,C5,C5,D5,E5,E5,D5,C5,A4,G4,C5,C5,D5,E5,G5,E5,D5,G4,C5,C5,D5,E5,E5,D5,C5,A4,A4,G4,F4,E4,F4,G4,E4,C4,E5,G5,G5,G5,E5,C5,C5,D5,E5,G5,G5,G5,F5,E5,D5,C5],
[3,0,0,1,2,2,1,0,0,3,0,0,1,2,3,2,1,3,0,0,1,2,2,1,0,0,0,3,1,2,1,3,2,0,2,3,3,3,2,0,0,1,2,3,3,3,1,2,1,0],
[1,1,1,1,1,2,1,1,2,1,1,1,1,1,2,1,2,1,1,1,1,1,2,1,1,2,1,1,1,1,1,2,1,4,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,4],
4,C4);
// ── Wellerman (accurate melody with driving stomp beat) ──
var wellerman=(function(){
var bg=[],mel=[],t=0,q=0.32;
function vox(t,f,d,v,inst){bg.push({t:t,f:f,d:d,i:inst||'strings',v:v||0.35});}
function stomp(t,v){bg.push({t:t,f:110,d:0.2,i:'timpani',v:v||0.4});}
// Verse melody (Am): "There once was a ship that put to sea..."
var verse1=[E4,E4,E4,E4,A4,A4,G4,E4];
var verse2=[E4,E4,E4,E4,A4,A4,G4,E4];
var verse3=[A4,A4,A4,A4,C5,C5,B4,A4];
var verse4=[E4,E4,G4,G4,E4,D4];
var vL1=[2,2,2,2,0,0,3,2],vL2=[2,2,2,2,0,0,3,2],vL3=[0,0,0,0,1,1,3,0],vL4=[2,2,3,3,2,1];
var vD1=[1,1,1,1,1,1,1,2],vD2=[1,1,1,1,1,1,1,2],vD3=[1,1,1,1,1,1,1,2],vD4=[1,1,1,1,1,3];
// Chorus melody: "Soon may the Wellerman come..."
var ch1=[A4,C5,C5,C5,D5,E5];
var ch2=[E5,D5,C5,D5,E5,C5];
var ch3=[A4,C5,C5,C5,D5,E5];
var ch4=[E5,D5,C5,B4,A4];
var cL1=[0,1,1,1,1,2],cL2=[2,1,0,1,2,0],cL3=[0,1,1,1,1,2],cL4=[2,1,0,3,0];
var cD1=[1,1,1,1,1,2],cD2=[1,1,1,1,1,2],cD3=[1,1,1,1,1,2],cD4=[1,1,1,1,4];
function playLine(notes,lanes,durs,v,inst){
notes.forEach(function(f,i){
var d=durs[i]*q;
vox(t,f,d*0.85,v,inst);
if(v>0.3)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.4});
mel.push({t:t,l:lanes[i]});
// Driving stomp on every beat
if(durs[i]>=1)stomp(t,v*0.8);
t+=d;
});
}
// 3 full rounds: verse+chorus, each building
var rounds=[
{v:0.3,i:'woodwind'},{v:0.4,i:'strings'},{v:0.55,i:'brass'}
];
rounds.forEach(function(r,ri){
// Add chord backing from round 2
if(ri>0){
var chordT=t;
[A3,A3,A3,A3,A3,A3,E3,E3].forEach(function(f,ci){
bg.push({t:chordT+ci*q*4,f:f,d:q*3.5,i:'strings',v:r.v*0.3});
});
}
// Add choir from round 3
if(ri>1){
var choirNotes=verse1.concat(verse2,verse3,verse4,ch1,ch2,ch3,ch4);
var choirT=t;
var allDurs=vD1.concat(vD2,vD3,vD4,cD1,cD2,cD3,cD4);
choirNotes.forEach(function(f,i){bg.push({t:choirT,f:f,d:allDurs[i]*q*0.8,i:'choir',v:r.v*0.3});choirT+=allDurs[i]*q;});
}
// Verse
playLine(verse1,vL1,vD1,r.v,r.i);
playLine(verse2,vL2,vD2,r.v,r.i);
playLine(verse3,vL3,vD3,r.v,r.i);
playLine(verse4,vL4,vD4,r.v,r.i);
t+=q*0.5;
// Chorus (bigger)
playLine(ch1,cL1,cD1,r.v*1.2,r.i);
playLine(ch2,cL2,cD2,r.v*1.2,r.i);
playLine(ch3,cL3,cD3,r.v*1.2,r.i);
playLine(ch4,cL4,cD4,r.v*1.2,r.i);
t+=q;
});
// Finale: big Am chord
[A3,C4,E4,A4].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'brass',v:0.55});bg.push({t:t,f:f,d:2.5,i:'choir',v:0.4});});
bg.push({t:t,f:A3/2,d:2.0,i:'timpani',v:0.6});mel.push({t:t,l:4});
return {n:"Wellerman",composer:"NZ Sea Shanty (1860s)",bpm:125,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
})();
// ── Leave Her Johnny ──
var leavejohnny=pub("Leave Her Johnny","Sea Shanty (Trad.)",105,
[A3,A3,C4,D4,E4,E4,D4,C4,A3,G3,A3,C4,D4,E4,G4,E4,D4,C4,A3,G3,A3,C4,E4,D4,C4,A3],
[0,0,1,0,2,2,0,1,0,3,0,1,0,2,3,2,0,1,0,3,0,1,2,0,1,0],
[1,1,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,3],
5,A3);
// ── Blow the Man Down ──
var blowman=pub("Blow the Man Down","Sea Shanty (Trad.)",120,
[C4,E4,G4,G4,F4,E4,D4,C4,D4,E4,F4,E4,D4,C4,C4,E4,G4,C5,B4,A4,G4,F4,E4,D4,C4],
[0,2,3,3,1,2,1,0,1,2,1,2,1,0,0,2,3,0,3,0,3,1,2,1,0],
[1,1,2,1,1,1,1,2,1,1,1,1,1,3,1,1,2,1,1,1,1,1,1,1,4],
5,C4);
// ── Randy Dandy Oh ──
var randy=pub("Randy Dandy Oh","Sea Shanty (Trad.)",130,
[G4,G4,A4,B4,B4,A4,G4,E4,D4,G4,G4,A4,B4,D5,B4,A4,G4,E4,D4,G4,A4,B4,D5,B4,G4],
[3,3,0,3,3,0,3,2,1,3,3,0,3,1,3,0,3,2,1,3,0,3,1,3,3],
[1,1,1,2,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,2,1,1,4],
5,G4);
// ── South Australia ──
var southaus=pub("South Australia","Sea Shanty (Trad.)",115,
[C4,C4,D4,E4,G4,G4,E4,D4,C4,E4,G4,A4,G4,E4,C4,D4,E4,G4,E4,D4,C4,C4,E4,G4,E4,C4],
[0,0,1,2,3,3,2,1,0,2,3,0,3,2,0,1,2,3,2,1,0,0,2,3,2,0],
[1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,4],
5,C4);
// ── Roll the Old Chariot ──
var chariot=pub("Roll the Old Chariot Along","Sea Shanty (Trad.)",120,
[C4,E4,G4,G4,G4,A4,G4,E4,C4,D4,E4,F4,E4,D4,C4,C4,E4,G4,C5,A4,G4,E4,D4,C4],
[0,2,3,3,3,0,3,2,0,1,2,1,2,1,0,0,2,3,0,0,3,2,1,0],
[1,1,1,1,1,1,1,1,2,1,1,1,1,1,3,1,1,1,2,1,1,1,1,4],
5,C4);
// ── Haul Away Joe ──
var hauljoe=pub("Haul Away Joe","Sea Shanty (Trad.)",115,
[D4,D4,F4,A4,A4,G4,F4,D4,D4,F4,A4,C5,A4,G4,F4,D4,F4,A4,G4,F4,D4,C4,D4],
[0,0,1,0,0,3,1,0,0,1,0,0,0,3,1,0,1,0,3,1,0,1,0],
[1,1,1,2,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,2,1,4],
5,D4);
// ── Spanish Ladies ──
var spanish=pub("Spanish Ladies","Royal Navy Shanty (1790s)",110,
[E4,E4,D4,C4,D4,E4,F4,G4,A4,G4,F4,E4,D4,C4,D4,E4,F4,E4,D4,C4,B3,A3,G3,A3,B3,C4,D4,E4],
[2,2,1,0,1,2,1,3,0,3,1,2,1,0,1,2,1,2,1,0,3,0,3,0,3,0,1,2],
[1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,4],
5,C4);
// ── The Skye Boat Song ──
var skye=pub("The Skye Boat Song","Scottish (1884)",85,
[C4,F4,A4,G4,F4,E4,F4,G4,A4,C5,A4,G4,F4,E4,D4,C4,F4,A4,G4,F4,E4,F4,G4,A4,F4,D4,C4],
[0,1,0,3,1,2,1,3,0,0,0,3,1,2,1,0,1,0,3,1,2,1,3,0,1,1,0],
[1,2,1,1,1,1,1,2,1,2,1,1,1,1,1,2,2,1,1,1,1,1,2,1,1,1,4],
4,F4);
// ── Bella Ciao ──
var bella=pub("Bella Ciao","Italian Partisan Folk (1900s)",120,
[A3,B3,C4,D4,D4,C4,D4,E4,A3,B3,C4,D4,D4,C4,B3,A3,E4,E4,D4,E4,F4,F4,E4,D4,C4,B3,A3,C4,B3,A3],
[0,3,0,1,1,0,1,2,0,3,0,1,1,0,3,0,2,2,1,2,1,1,2,1,0,3,0,1,3,0],
[1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,2,1,1,4],
5,A3);
return [drunken,wellerman,molly,whiskey,parting,leavejohnny,blowman,randy,southaus,chariot,hauljoe,spanish,skye,bella,amazing,auld,saints,clementine,scarborough,bonnie];
})();
// ── SPIRITUALS (traditional African American songs) ──
const SPIRITUAL_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,A3=NT.A3,Bb3=NT.Bb3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,G4=NT.G4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5;
function spirit(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.25;
for(var rep=0;rep<passes;rep++){
var v=0.2+rep*0.08;
var inst=rep<Math.floor(passes*0.3)?'woodwind':rep<Math.floor(passes*0.6)?'strings':'choir';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>0)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.3});
if(rep>Math.floor(passes*0.5))bg.push({t:t,f:f,d:d*0.85,i:'choir',v:v*0.35});
if(rep>Math.floor(passes*0.7))bg.push({t:t,f:f,d:d*0.85,i:'brass',v:v*0.3});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.4;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.5,i:'choir',v:0.5});bg.push({t:t,f:f,d:2.5,i:'strings',v:0.35});});
bg.push({t:t,f:r/2,d:2.0,i:'timpani',v:0.5});mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+3),isClassical:true,bg:bg,melody:mel};
}
var swing=spirit("Swing Low, Sweet Chariot","Spiritual (1862)",80,
[E4,C4,D4,E4,G4,G4,F4,E4,D4,C4,E4,C4,D4,E4,G4,G4,F4,E4,D4,C4,C4,C4,E4,G4,A4,G4,E4,C4,G4,F4,E4,D4,C4,C4,E4,G4,A4,G4,E4,C4,G4,F4,E4,D4,C4],
[2,0,1,2,3,3,1,2,1,0,2,0,1,2,3,3,1,2,1,0,0,0,2,3,0,3,2,0,3,1,2,1,0,0,2,3,0,3,2,0,3,1,2,1,0],
[2,2,1,1,2,1,1,1,1,3,2,2,1,1,2,1,1,1,1,3,1,1,1,2,1,1,1,2,1,1,1,1,3,1,1,1,2,1,1,2,1,1,1,1,4],
3,C4);
var godown=spirit("Go Down Moses","Spiritual (Trad.)",90,
[A3,C4,C4,D4,E4,E4,D4,C4,A3,C4,D4,E4,G4,E4,D4,C4,A3,C4,E4,G4,A4,G4,E4,D4,C4,A3],
[0,0,0,1,2,2,1,0,0,0,1,2,3,2,1,0,0,0,2,3,0,3,2,1,0,0],
[1,2,1,1,2,1,1,2,1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,2,4],
5,A3);
var wade=spirit("Wade in the Water","Spiritual (Trad.)",100,
[E4,E4,G4,A4,B4,A4,G4,E4,D4,E4,G4,A4,B4,D5,B4,A4,G4,E4,D4,E4,G4,B4,A4,G4,E4],
[2,2,3,0,3,0,3,2,1,2,3,0,3,1,3,0,3,2,1,2,3,3,0,3,2],
[1,1,1,1,2,1,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,4],
5,E4);
var kumbaya=spirit("Kumbaya","Spiritual (Trad.)",75,
[C4,E4,F4,G4,G4,F4,E4,C4,C4,E4,F4,G4,A4,G4,E4,C4,E4,F4,G4,G4,F4,E4,D4,C4],
[0,2,1,3,3,1,2,0,0,2,1,3,0,3,2,0,2,1,3,3,1,2,1,0],
[1,1,1,2,1,1,2,2,1,1,1,2,1,2,1,1,1,1,2,1,1,1,1,4],
5,C4);
var michael=spirit("Michael Row the Boat Ashore","Spiritual (1860s)",90,
[C4,E4,F4,G4,A4,A4,G4,E4,C4,C4,E4,F4,G4,A4,A4,G4,E4,C4,D4,E4,F4,E4,D4,C4,D4,C4],
[0,2,1,3,0,0,3,2,0,0,2,1,3,0,0,3,2,0,1,2,1,2,1,0,1,0],
[1,1,1,2,2,1,1,1,2,3,1,1,1,2,2,1,1,2,1,1,1,1,1,2,1,4],
5,C4);
var wholeworld=spirit("He's Got the Whole World","Spiritual (Trad.)",110,
[C4,C4,E4,G4,G4,E4,G4,A4,G4,E4,C4,E4,G4,C5,A4,G4,E4,C4,E4,G4,E4,C4],
[0,0,2,3,3,2,3,0,3,2,0,2,3,0,0,3,2,0,2,3,2,0],
[1,1,1,2,1,1,1,1,1,1,2,1,1,2,1,1,1,2,1,1,1,4],
5,C4);
var nobody=spirit("Nobody Knows the Trouble I've Seen","Spiritual (Trad.)",75,
[C4,E4,G4,A4,G4,E4,C4,D4,E4,G4,C5,A4,G4,E4,D4,C4,E4,G4,A4,C5,A4,G4,E4,D4,C4],
[0,2,3,0,3,2,0,1,2,3,0,0,3,2,1,0,2,3,0,0,0,3,2,1,0],
[1,1,2,1,1,2,2,1,1,2,1,1,1,2,1,2,1,2,1,2,1,1,1,1,4],
4,C4);
var battle=spirit("Battle Hymn of the Republic","J.W. Howe (1861)",115,
[C4,C4,C4,E4,E4,D4,C4,D4,E4,F4,E4,D4,C4,C4,E4,G4,G4,F4,E4,F4,G4,A4,G4,E4,C4,E4,D4,C4],
[0,0,0,2,2,1,0,1,2,1,2,1,0,0,2,3,3,1,2,1,3,0,3,2,0,2,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,1,1,1,2,1,1,4],
4,C4);
return [swing,godown,wade,kumbaya,michael,wholeworld,nobody,battle];
})();
// ── WORLD (folk songs from various cultures) ──
const WORLD_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,Ab3=NT.Ab3,A3=NT.A3,Bb3=NT.Bb3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,Gb4=NT.Gb4,G4=NT.G4,Ab4=NT.Ab4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5;
function world(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.25;
for(var rep=0;rep<passes;rep++){
var v=0.2+rep*0.08;
var inst=rep<Math.floor(passes*0.3)?'woodwind':rep<Math.floor(passes*0.7)?'strings':'brass';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>1)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.35});
if(rep>Math.floor(passes*0.6))bg.push({t:t,f:f,d:d*0.85,i:'brass',v:v*0.35});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.4;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'brass',v:0.5});bg.push({t:t,f:f,d:2.0,i:'strings',v:0.4});});
bg.push({t:t,f:r/2,d:1.5,i:'timpani',v:0.55});mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
var hava=world("Hava Nagila","Jewish/Israeli (1918)",130,
[E4,E4,F4,E4,D4,E4,E4,F4,Ab4,A4,B4,B4,A4,Ab4,F4,E4,E4,F4,Ab4,A4,B4,A4,Ab4,A4,B4,C5,D5,C5,B4,A4,Ab4,A4,B4,C5,D5,C5,B4,A4,Ab4,E4],
[2,2,1,2,1,2,2,1,0,0,3,3,0,0,1,2,2,1,0,0,3,0,0,0,3,0,1,0,3,0,0,0,3,0,1,0,3,0,0,2],
[1,1,1,1,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,4],
4,E4);
var cucaracha=world("La Cucaracha","Mexican (Trad.)",135,
[C4,C4,C4,F4,A4,C4,C4,C4,F4,A4,F4,F4,E4,E4,D4,D4,C4,C4,C4,G4,Bb4,C4,C4,C4,G4,Bb4,A4,G4,F4,E4,D4,C4],
[0,0,0,1,0,0,0,0,1,0,1,1,2,2,1,1,0,0,0,3,2,0,0,0,3,2,0,3,1,2,1,0],
[1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1,2,1,1,1,1,2,1,1,1,1,1,4],
4,F4);
var frere=world("Fr\u00e8re Jacques","French (1780s)",110,
[C4,D4,E4,C4,C4,D4,E4,C4,E4,F4,G4,E4,F4,G4,G4,A4,G4,F4,E4,C4,G4,A4,G4,F4,E4,C4,C4,G3,C4,C4,G3,C4],
[0,1,2,0,0,1,2,0,2,1,3,2,1,3,3,0,3,1,2,0,3,0,3,1,2,0,0,3,0,0,3,0],
[1,1,1,1,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,2,1,1,2,1,1,4],
4,C4);
var cielito=world("Cielito Lindo","Mexican (1882)",120,
[E4,E4,F4,G4,A4,G4,F4,E4,D4,E4,F4,E4,D4,C4,E4,G4,C5,C5,B4,A4,G4,F4,E4,D4,C4,E4,G4,C5],
[2,2,1,3,0,3,1,2,1,2,1,2,1,0,2,3,0,0,3,0,3,1,2,1,0,2,3,0],
[1,1,1,1,2,1,1,1,1,1,1,1,1,3,1,1,2,1,1,1,1,1,1,1,2,1,1,4],
4,C4);
var waltzing=world("Waltzing Matilda","Australian (1895)",110,
[G4,G4,A4,B4,D5,B4,A4,G4,E4,G4,A4,B4,A4,G4,E4,D4,G4,G4,A4,B4,D5,B4,A4,G4,E4,D4,G4],
[3,3,0,3,1,3,0,3,2,3,0,3,0,3,2,1,3,3,0,3,1,3,0,3,2,1,3],
[1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,1,4],
5,G4);
var osole=world("'O Sole Mio","Italian (1898)",90,
[C4,E4,E4,F4,E4,D4,C4,D4,E4,E4,F4,G4,A4,G4,F4,E4,E4,F4,G4,A4,Bb4,A4,G4,C5,C5,Bb4,A4,G4,F4,E4,F4,G4,A4,G4,F4,E4,D4,C4],
[0,2,2,1,2,1,0,1,2,2,1,3,0,3,1,2,2,1,3,0,2,0,3,0,0,2,0,3,1,2,1,3,0,3,1,2,1,0],
[2,1,1,1,1,1,2,1,1,1,1,2,1,1,1,2,1,1,1,2,1,1,2,2,1,1,1,1,2,1,1,1,1,1,1,1,1,4],
3,C4);
var ballgame=world("Take Me Out to the Ball Game","American (1908)",125,
[C4,C4,A4,G4,E4,G4,D4,C4,C4,A4,G4,E4,G4,C4,C4,A4,G4,F4,E4,D4,E4,F4,D4,C4,A4,G4,E4,C4],
[0,0,0,3,2,3,1,0,0,0,3,2,3,0,0,0,3,1,2,1,2,1,1,0,0,3,2,0],
[1,1,2,1,1,2,1,2,1,2,1,1,3,1,1,2,1,1,1,1,1,1,2,1,1,1,1,4],
4,C4);
var mountain=world("She'll Be Coming Round the Mountain","American (1890s)",130,
[G4,G4,B4,B4,D5,D5,B4,G4,A4,B4,C5,C5,A4,A4,G4,B4,D5,D5,B4,G4,A4,C5,B4,A4,G4],
[3,3,3,3,1,1,3,3,0,3,0,0,0,0,3,3,1,1,3,3,0,0,3,0,3],
[1,1,2,1,2,1,1,2,1,1,2,1,2,1,2,1,2,1,1,2,1,1,1,1,4],
5,G4);
return [hava,cucaracha,frere,cielito,waltzing,osole,ballgame,mountain];
})();
// ── NURSERY RHYMES (very simple, beginner-friendly) ──
const NURSERY_PIECES=(function(){
var C4=NT.C4,D4=NT.D4,E4=NT.E4,F4=NT.F4,G4=NT.G4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,E5=NT.E5,G3=NT.G3,A3=NT.A3,B3=NT.B3;
function rhyme(name,origin,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.3;
for(var rep=0;rep<passes;rep++){
var v=0.25+rep*0.08;
var inst=rep<1?'woodwind':'strings';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.85,i:inst,v:v});
if(rep>0)bg.push({t:t,f:f/2,d:d*0.85,i:'bass',v:v*0.25});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.5;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'strings',v:0.4});});
mel.push({t:t,l:4});
return {n:name,composer:origin,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
// ── Twinkle Twinkle Little Star (same melody as Baa Baa Black Sheep) ──
var twinkle=rhyme("Twinkle Twinkle Little Star","Traditional (1760s)",75,
[C4,C4,G4,G4,A4,A4,G4,F4,F4,E4,E4,D4,D4,C4,G4,G4,F4,F4,E4,E4,D4,C4,C4,G4,G4,A4,A4,G4,F4,F4,E4,E4,D4,D4,C4],
[0,0,3,3,0,0,3,1,1,2,2,1,1,0,3,3,1,1,2,2,1,0,0,3,3,0,0,3,1,1,2,2,1,1,0],
[1,1,1,1,1,1,3,1,1,1,1,1,1,3,1,1,1,1,1,1,3,1,1,1,1,1,1,3,1,1,1,1,1,1,4],
3,C4);
// ── Mary Had a Little Lamb ──
var mary=rhyme("Mary Had a Little Lamb","S.J. Hale (1830)",80,
[E4,D4,C4,D4,E4,E4,E4,D4,D4,D4,E4,G4,G4,E4,D4,C4,D4,E4,E4,E4,D4,D4,E4,D4,C4],
[2,1,0,1,2,2,2,1,1,1,2,3,3,2,1,0,1,2,2,2,1,1,2,1,0],
[1,1,1,1,1,1,3,1,1,3,1,1,3,1,1,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Happy Birthday ──
var birthday=rhyme("Happy Birthday","P.S. Hill (1893)",75,
[C4,C4,D4,C4,F4,E4,C4,C4,D4,C4,G4,F4,C4,C4,C5,A4,F4,E4,D4,Bb4,Bb4,A4,F4,G4,F4],
[0,0,1,0,1,2,0,0,1,0,3,1,0,0,0,0,1,2,1,2,2,0,1,3,1],
[1,1,2,2,2,3,1,1,2,2,2,3,1,1,2,1,1,1,2,1,1,1,1,2,4],
3,C4);
// ── Chopsticks ──
var chopsticks=rhyme("Chopsticks","Euphemia Allen (1877)",95,
[F4,G4,F4,G4,F4,G4,E4,G4,E4,G4,E4,G4,D4,F4,D4,F4,C4,E4,C4,E4,F4,G4,F4,G4,E4,G4,E4,G4,D4,F4,D4,F4,C4,E4,C4,E4],
[1,3,1,3,1,3,2,3,2,3,2,3,1,1,1,1,0,2,0,2,1,3,1,3,2,3,2,3,1,1,1,1,0,2,0,2],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Lavender's Blue ──
var lavender=rhyme("Lavender's Blue","English Traditional (1670s)",80,
[E4,E4,D4,E4,F4,G4,G4,A4,G4,F4,F4,E4,D4,E4,E4,E4,D4,E4,F4,G4,G4,A4,G4,F4,E4],
[2,2,1,2,1,3,3,0,3,1,1,2,1,2,2,2,1,2,1,3,3,0,3,1,2],
[1,1,1,1,1,1,1,1,1,2,1,1,1,3,1,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Shortnin' Bread ──
var shortnin=rhyme("Shortnin' Bread","Traditional (1900s)",95,
[E5,E5,D5,C5,D5,C5,A4,G4,A4,G4,A4,G4,E5,E5,D5,C5,D5,C5,A4,G4,A4,G4,C5],
[2,2,1,0,1,0,0,3,0,3,0,3,2,2,1,0,1,0,0,3,0,3,0],
[1,1,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1,4],
3,C4);
// ── London Bridge ──
var london=rhyme("London Bridge Is Falling Down","English (1744)",75,
[G4,A4,G4,F4,E4,F4,G4,D4,E4,F4,E4,F4,G4,G4,A4,G4,F4,E4,F4,G4,D4,G4,E4,C4],
[3,0,3,1,2,1,3,1,2,1,2,1,3,3,0,3,1,2,1,3,1,3,2,0],
[1,1,1,1,1,1,2,1,1,2,1,1,2,1,1,1,1,1,1,2,2,1,1,4],
3,C4);
// ── Old MacDonald ──
var macdonald=rhyme("Old MacDonald Had a Farm","English (1706)",80,
[C4,C4,C4,G4,A4,A4,G4,E4,E4,D4,D4,C4,G4,C4,C4,C4,G4,A4,A4,G4,E4,E4,D4,D4,C4],
[0,0,0,3,0,0,3,2,2,1,1,0,3,0,0,0,3,0,0,3,2,2,1,1,0],
[1,1,1,1,1,1,2,1,1,1,1,3,2,1,1,1,1,1,1,2,1,1,1,1,4],
3,C4);
// ── Row Row Row Your Boat ──
var row=rhyme("Row Row Row Your Boat","English (1852)",70,
[C4,C4,C4,D4,E4,E4,D4,E4,F4,G4,C5,C5,C5,G4,G4,G4,E4,E4,E4,C4,C4,C4,G4,F4,E4,D4,C4],
[0,0,0,1,2,2,1,2,1,3,0,0,0,3,3,3,2,2,2,0,0,0,3,1,2,1,0],
[1,1,1,1,2,1,1,1,1,3,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Three Blind Mice ──
var mice=rhyme("Three Blind Mice","English (1609)",75,
[E4,D4,C4,E4,D4,C4,G4,F4,E4,G4,F4,E4,G4,A4,G4,F4,E4,D4,G4,A4,G4,F4,E4,D4,C4],
[2,1,0,2,1,0,3,1,2,3,1,2,3,0,3,1,2,1,3,0,3,1,2,1,0],
[1,1,2,1,1,2,1,1,2,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,4],
3,C4);
// ── Itsy Bitsy Spider ──
var spider=rhyme("Itsy Bitsy Spider","English (1910s)",75,
[G4,C5,C5,C5,D5,E5,E5,D5,C5,D5,E5,C5,E5,E5,D5,D5,C5,G4,C5,C5,C5,D5,E5,E5,D5,C5,D5,E5,C5],
[3,0,0,0,1,2,2,1,0,1,2,0,2,2,1,1,0,3,0,0,0,1,2,2,1,0,1,2,0],
[1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,4],
3,C4);
// ── Pop Goes the Weasel ──
var weasel=rhyme("Pop Goes the Weasel","English (1850s)",85,
[C4,E4,E4,F4,G4,G4,C4,E4,E4,D4,F4,A4,A4,G4,C4,E4,E4,F4,G4,G4,E4,C4,D4,F4,E4,C4],
[0,2,2,1,3,3,0,2,2,1,1,0,0,3,0,2,2,1,3,3,2,0,1,1,2,0],
[1,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,4],
3,C4);
// ── Hot Cross Buns ──
var hotcross=rhyme("Hot Cross Buns","English (1798)",65,
[E4,D4,C4,E4,D4,C4,C4,C4,C4,C4,D4,D4,D4,D4,E4,D4,C4],
[2,1,0,2,1,0,0,0,0,0,1,1,1,1,2,1,0],
[1,1,3,1,1,3,1,1,1,1,1,1,1,1,1,1,4],
4,C4);
// ── Jack and Jill ──
var jack=rhyme("Jack and Jill","English (1765)",80,
[C4,C4,D4,E4,E4,F4,G4,G4,F4,E4,F4,G4,A4,A4,G4,F4,E4,D4,C4],
[0,0,1,2,2,1,3,3,1,2,1,3,0,0,3,1,2,1,0],
[1,1,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,4],
3,C4);
// ── Humpty Dumpty ──
var humpty=rhyme("Humpty Dumpty","English (1797)",75,
[E4,G4,A4,G4,F4,E4,D4,E4,F4,E4,D4,C4,E4,G4,A4,G4,F4,E4,D4,C4],
[2,3,0,3,1,2,1,2,1,2,1,0,2,3,0,3,1,2,1,0],
[1,1,2,1,1,1,2,1,1,1,1,2,1,1,2,1,1,1,1,4],
3,C4);
return [twinkle,mary,birthday,hotcross,london,macdonald,row,mice,spider,weasel,chopsticks,lavender,shortnin,jack,humpty];
})();
// ── RAGTIME (Scott Joplin & contemporaries, all public domain) ──
const RAGTIME_PIECES=(function(){
var C3=NT.C3,D3=NT.D3,E3=NT.E3,F3=NT.F3,G3=NT.G3,A3=NT.A3,Bb3=NT.Bb3,B3=NT.B3,
C4=NT.C4,D4=NT.D4,Eb4=NT.Eb4,E4=NT.E4,F4=NT.F4,G4=NT.G4,Ab4=NT.Ab4,A4=NT.A4,Bb4=NT.Bb4,B4=NT.B4,
C5=NT.C5,D5=NT.D5,Eb5=NT.Eb5,E5=NT.E5,F5=NT.F5,G5=NT.G5;
function rag(name,composer,bpm,theme,lanes,durations,passes,root){
var bg=[],mel=[],t=0,q=0.2;
for(var rep=0;rep<passes;rep++){
var v=0.2+rep*0.08;
// Ragtime uses piano-like timbres: strings for right hand, bass for left
var inst=rep%2===0?'strings':'woodwind';
theme.forEach(function(f,i){
var d=(durations?durations[i]:1)*q;
bg.push({t:t,f:f,d:d*0.8,i:inst,v:v});
// Stride bass pattern: root on beats, fifth on off-beats
if(i%4===0)bg.push({t:t,f:(root||theme[0])/2,d:d*0.6,i:'bass',v:v*0.5});
if(i%4===2)bg.push({t:t,f:(root||theme[0])*3/4,d:d*0.6,i:'bass',v:v*0.4});
mel.push({t:t,l:lanes[i]});t+=d;
});
t+=0.3;
}
var r=root||theme[0];
[r,r*5/4,r*3/2,r*2].forEach(function(f){bg.push({t:t,f:f,d:2.0,i:'strings',v:0.5});});
bg.push({t:t,f:r/2,d:1.5,i:'bass',v:0.5});mel.push({t:t,l:4});
return {n:name,composer:composer,bpm:bpm,duration:Math.ceil(t+2.5),isClassical:true,bg:bg,melody:mel};
}
// ── The Entertainer — A section (most famous part) ──
var entertainer=rag("The Entertainer","Scott Joplin (1902)",130,
[D4,Eb4,E4,C5,E4,C5,E4,C5,C5,D5,Eb5,E5,C5,D5,E5,C5,D5,Eb5,E5,C5,E4,C5,E4,C5,A4,G4,A4,B4,C5],
[1,2,2,0,2,0,2,0,0,1,2,2,0,1,2,0,1,2,2,0,2,0,2,0,0,3,0,3,0],
[1,1,1,2,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,1,4],
4,C4);
// ── Maple Leaf Rag — A section ──
var maple=rag("Maple Leaf Rag","Scott Joplin (1899)",140,
[Ab4,A4,C5,E5,C5,A4,C5,A4,Ab4,A4,C5,E5,D5,C5,A4,G4,Ab4,A4,C5,E5,C5,A4,C5,A4,G4,A4,G4,E4,C4],
[0,0,0,2,0,0,0,0,0,0,0,2,1,0,0,3,0,0,0,2,0,0,0,0,3,0,3,2,0],
[1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,4],
4,A4);
// ── The Easy Winners — A section ──
var easyw=rag("The Easy Winners","Scott Joplin (1901)",125,
[G4,B4,D5,B4,A4,G4,E4,G4,A4,B4,C5,D5,E5,D5,C5,B4,A4,G4,B4,D5,B4,A4,G4,E4,D4,E4,G4],
[3,3,1,3,0,3,2,3,0,3,0,1,2,1,0,3,0,3,3,1,3,0,3,2,1,2,3],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,4],
4,G4);
// ── Elite Syncopations — A section ──
var elite=rag("Elite Syncopations","Scott Joplin (1902)",130,
[E4,G4,A4,B4,C5,D5,E5,D5,C5,B4,A4,G4,E4,G4,A4,B4,C5,E5,D5,C5,B4,A4,G4,E4,D4,C4],
[2,3,0,3,0,1,2,1,0,3,0,3,2,3,0,3,0,2,1,0,3,0,3,2,1,0],
[1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,4],
4,C4);
// ── Solace — A section (a Mexican serenade, slower ragtime) ──
var solace=rag("Solace","Scott Joplin (1909)",95,
[A4,G4,A4,C5,B4,A4,G4,E4,D4,E4,G4,A4,B4,A4,G4,E4,A4,G4,A4,C5,D5,C5,B4,A4,G4,E4,D4,C4],
[0,3,0,0,3,0,3,2,1,2,3,0,3,0,3,2,0,3,0,0,1,0,3,0,3,2,1,0],
[1,1,2,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,1,1,1,4],
4,A4);
// ── Peacherine Rag — A section ──
var peacherine=rag("Peacherine Rag","Scott Joplin (1901)",135,
[C5,C5,B4,C5,E5,D5,C5,A4,C5,C5,B4,C5,G4,A4,B4,C5,C5,B4,C5,E5,D5,C5,B4,A4,G4],
[0,0,3,0,2,1,0,0,0,0,3,0,3,0,3,0,0,3,0,2,1,0,3,0,3],
[1,1,1,2,1,1,1,2,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,4],
4,C4);
// ── The Cascades — A section ──
var cascades=rag("The Cascades","Scott Joplin (1904)",125,
[C5,B4,C5,E5,G5,E5,C5,D5,C5,B4,A4,G4,C5,B4,C5,E5,G5,E5,C5,D5,E5,D5,C5,B4,C5],
[0,3,0,2,3,2,0,1,0,3,0,3,0,3,0,2,3,2,0,1,2,1,0,3,0],
[1,1,2,1,1,1,1,1,1,1,1,2,1,1,2,1,1,1,1,1,1,1,1,1,4],
4,C4);
// ── Pineapple Rag — A section ──
var pineapple=rag("Pineapple Rag","Scott Joplin (1908)",130,
[C4,E4,G4,C5,E5,C5,G4,E4,C4,E4,G4,B4,D5,B4,G4,E4,C4,E4,G4,C5,E5,D5,C5,B4,A4,G4,C5],
[0,2,3,0,2,0,3,2,0,2,3,3,1,3,3,2,0,2,3,0,2,1,0,3,0,3,0],
[1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,4],
4,C4);
return [entertainer,maple,easyw,elite,solace,peacherine,cascades,pineapple];
})();
var SYNTH_GENRES={"Nursery Rhymes":NURSERY_PIECES,"Singalong":SINGALONG_PIECES,"Christmas":CHRISTMAS_PIECES,"Folk":FOLK_PIECES,"Spirituals":SPIRITUAL_PIECES,"World":WORLD_PIECES,"Ragtime":RAGTIME_PIECES,"Classical":CLASSICAL_PIECES,"Video Games":VIDEOGAME_PIECES,"Chiptune Originals":CHIPTUNE_PIECES};
function simplifyNotes(notes){
if(!simpleMode||notes.length<2)return notes;
// Keep roughly half the notes — enforce a minimum gap between consecutive notes
var sorted=notes.slice().sort(function(a,b){return a.time-b.time;});
var minGap=0.35/gameSpeed; // ~350ms minimum between notes in simple mode
var result=[sorted[0]];
for(var i=1;i<sorted.length;i++){
if(sorted[i].time-result[result.length-1].time>=minGap){
result.push(sorted[i]);
}
}
return result;
}
function buildClassicalNotes(piece){
var raw=piece.melody.filter(function(m){return activePads[m.l];})
.map(function(m){
var freq=261.63;
for(var i=0;i<piece.bg.length;i++){
var b=piece.bg[i];
if(Math.abs(b.t-m.t)<0.01&&b.i!=='bass'&&b.i!=='timpani'){freq=b.f;break;}
}
return{time:m.t/gameSpeed,lane:m.l,freq:freq,hit:false,missed:false};
})
.sort(function(a,b){return a.time-b.time;});
return simplifyNotes(raw);
}
function beginClassical(){
playing=true;gameSynthNodes=[];
var ac=getAc();ac.resume();
var piece=gameRhythm;
gameStartTime=ac.currentTime+0.15;
for(var i=0;i<piece.bg.length;i++){
var n=piece.bg[i];
playSynth(ac,n.f,gameStartTime+n.t/gameSpeed,n.d/gameSpeed,n.i,n.v*1.5,gameSynthNodes);
}
gameEndTime=piece.duration/gameSpeed;
setTimeout(function(){if(playing)endTurn();},(piece.duration/gameSpeed)*1000+5000);
}
// ── STATE ──────────────────────────────────────────────
let mode="builtin",curGenre="Singalong",curIdx=0;
let players=[{name:"Player 1"}];
let savedScores=lsLoad();
let previewAc=null,previewNodes=[],previewing=false;
let gameAc=null,mp3Buffer=null,mp3Src=null;
let notes=[],gameStartTime=null,gameEndTime=null,playing=false;
let gamePlayers=[],activePIdx=0;
let cScore=0,cStreak=0,cTotal=0,cGood=0,cMaxStreak=0;
let laneFlash=[0,0,0,0,0,0,0,0],msgTmr=null,prevBtns={},gameSynthNodes=[],classicalHitMode='orchestra';
let paused=false,pauseTime=0;
var gpMap=JSON.parse(localStorage.getItem("drgameGpMap")||"null")||{0:2,1:3,2:0,3:1,4:4,5:5,6:6,7:7,8:4};
var remapping=false,remapStep=0,remapResult={};
var _savedSettings=JSON.parse(localStorage.getItem("drgameSettings")||"{}");
var gameSpeed=_savedSettings.speed||1.0,masterVolume=_savedSettings.volume||1.0;
var hiddenGenres=JSON.parse(localStorage.getItem("drgameHidden")||"[]");
var hiddenSongs=JSON.parse(localStorage.getItem("drgameHiddenSongs")||"{}");
function isSongHidden(genre,name){return hiddenSongs[genre]&&hiddenSongs[genre].indexOf(name)>=0;}
function hideSong(genre,name){
if(!hiddenSongs[genre])hiddenSongs[genre]=[];
if(hiddenSongs[genre].indexOf(name)<0)hiddenSongs[genre].push(name);
localStorage.setItem("drgameHiddenSongs",JSON.stringify(hiddenSongs));
buildMenu();
}
function showAllSongs(genre){
delete hiddenSongs[genre];
localStorage.setItem("drgameHiddenSongs",JSON.stringify(hiddenSongs));
buildMenu();
}
let gameRhythm=null;
const HIT_WIN=0.17,SPEED=260;
// ── SCREEN ─────────────────────────────────────────────
function show(id){document.querySelectorAll(".screen").forEach(s=>s.classList.remove("active"));document.getElementById(id).classList.add("active");}
function goMenu(){if(paused){paused=false;getAc().resume();document.getElementById("pause-overlay").classList.remove("show");}stopGame();stopPreview();show("sm");refreshMiniLB();}
function goScores(){renderScores();show("ss");}
// ── PAD TOGGLES ────────────────────────────────────────
function buildPadToggles(){
const el=document.getElementById("pad-toggles");el.innerHTML="";
LANES.forEach((lane,i)=>{
const b=document.createElement("button");
b.className="ptog"+(activePads[i]?" on":"");
b.style.borderColor=lane.color;b.style.color=lane.color;
b.textContent=lane.label;
b.onclick=()=>{activePads[i]=!activePads[i];buildPadToggles();};
el.appendChild(b);
});
}
buildPadToggles();
function setSimpleMode(on){
simpleMode=on;
var full=document.getElementById("density-full"),simple=document.getElementById("density-simple");
if(full){full.className="smbtn"+(on?"":" purple");}
if(simple){simple.className="smbtn"+(on?" purple":"");}
}
setSimpleMode(false);
function saveSettings(){localStorage.setItem("drgameSettings",JSON.stringify({speed:gameSpeed,volume:masterVolume}));}
function syncSliders(){
var sv=Math.round(gameSpeed*100),vv=Math.round(masterVolume*100);
['speed-slider'].forEach(function(id){var e=document.getElementById(id);if(e)e.value=sv;});
['vol-slider','hud-vol'].forEach(function(id){var e=document.getElementById(id);if(e)e.value=vv;});
var se=document.getElementById("speed-val");if(se)se.textContent=sv+"%";
var ve=document.getElementById("vol-val");if(ve)ve.textContent=vv+"%";
var hve=document.getElementById("hud-vol-val");if(hve)hve.textContent=vv+"%";
}
function setSpeed(v){gameSpeed=v/100;syncSliders();saveSettings();}
function setVolume(v){masterVolume=v/100;syncSliders();saveSettings();}
function resetSettings(){gameSpeed=1.0;masterVolume=1.0;syncSliders();saveSettings();}
function loadSettings(){syncSliders();}
function confirmReset(){
var a=Math.floor(Math.random()*20)+5,b=Math.floor(Math.random()*20)+5;
var ans=prompt("To reset ALL saved data (scores, settings, gamepad mapping, hidden genres), solve this:\n\nWhat is "+a+" + "+b+"?");
if(ans===null)return;
if(parseInt(ans)===a+b){
localStorage.removeItem("drgame5");localStorage.removeItem("drgameSettings");
localStorage.removeItem("drgameGpMap");localStorage.removeItem("drgameKeyMap");localStorage.removeItem("drgameHidden");localStorage.removeItem("drgameHiddenSongs");
savedScores=[];hiddenGenres=[];hiddenSongs={};gpMap={0:2,1:3,2:0,3:1,4:4,5:5,6:6,7:7,8:4};customKeyMap=null;
LANES[0].key="f";LANES[1].key="g";LANES[2].key="h";LANES[3].key="j";LANES[4].key=" ";LANES[5].key="d";LANES[6].key="k";LANES[7].key="l";
refreshMiniLB();resetSettings();buildMenu();
alert("All data cleared!");
} else {alert("Incorrect — data NOT cleared.");}
}
function hideGenre(g){
if(hiddenGenres.indexOf(g)<0)hiddenGenres.push(g);
localStorage.setItem("drgameHidden",JSON.stringify(hiddenGenres));
if(curGenre===g){var allG=Object.keys(SYNTH_GENRES).concat(Object.keys(GENRES));curGenre=allG.find(function(x){return hiddenGenres.indexOf(x)<0;})||allG[0];curIdx=0;}
buildMenu();
}
function setHitMode(m){
classicalHitMode=m;
document.getElementById("hitmode-drums").className="smbtn"+(m==='drums'?' purple':'');
document.getElementById("hitmode-orch").className="smbtn"+(m==='orchestra'?' purple':'');
}
function updateHitModeVisibility(){
document.getElementById("hitmode-toggle").style.display=SYNTH_GENRES[curGenre]?"block":"none";
}
// ── MENU ───────────────────────────────────────────────
function buildMenu(){
const gt=document.getElementById("gtabs");gt.innerHTML="";
var synthIcons={"Singalong":"\uD83C\uDFB5","Christmas":"\uD83C\uDF84","Folk":"\uD83C\uDFB6","Spirituals":"\uD83D\uDE4F","World":"\uD83C\uDF0D","Classical":"\uD83C\uDFBB","Video Games":"\uD83C\uDFAE","Chiptune Originals":"\uD83D\uDC7E"};
var allGenres=Object.keys(SYNTH_GENRES).concat(Object.keys(GENRES));
var anyHidden=hiddenGenres.length>0;
allGenres.forEach(function(g){
if(hiddenGenres.indexOf(g)>=0)return;
var b=document.createElement("button");
b.className="gtab"+(g===curGenre?" active":"");
b.textContent=(synthIcons[g]?synthIcons[g]+" ":"")+g;
b.onclick=function(){curGenre=g;curIdx=0;stopPreview();buildMenu();};
b.oncontextmenu=function(e){e.preventDefault();hideGenre(g);};
gt.appendChild(b);
});
if(anyHidden){
var sb=document.createElement("button");
sb.className="gtab";sb.style.opacity="0.4";sb.style.fontSize="10px";
sb.textContent="\u2795 Show All ("+hiddenGenres.length+" hidden)";
sb.onclick=function(){hiddenGenres=[];localStorage.setItem("drgameHidden","[]");buildMenu();};
gt.appendChild(sb);
}
const rg=document.getElementById("rgrid");rg.innerHTML="";rg.ondblclick=()=>startGame();
var songList=SYNTH_GENRES[curGenre]||GENRES[curGenre];
var hidCount=0;
songList.forEach((r,i)=>{
if(isSongHidden(curGenre,r.n)){hidCount++;return;}
const b=document.createElement("button");
b.className="rbtn"+(i===curIdx?" sel":"");
b.innerHTML=`${r.n}<small>${r.composer?r.composer+' \u00b7 ':''}${r.bpm} bpm</small>`;
b.onclick=()=>{curIdx=i;stopPreview();document.getElementById("pvlbl").textContent=r.n+" selected";buildMenu();};
b.oncontextmenu=(e)=>{e.preventDefault();hideSong(curGenre,r.n);};
rg.appendChild(b);
});
if(hidCount>0){
const sb=document.createElement("button");sb.className="rbtn";sb.style.opacity="0.4";sb.style.fontSize="10px";
sb.textContent="\u2795 Show "+hidCount+" hidden";sb.onclick=()=>showAllSongs(curGenre);
rg.appendChild(sb);
}
const pl=document.getElementById("plist");pl.innerHTML="";
players.forEach((p,i)=>{
const row=document.createElement("div");row.className="prow";
const inp=document.createElement("input");inp.type="text";inp.value=p.name;
inp.oninput=e=>players[i].name=e.target.value;
row.appendChild(inp);
if(players.length>1){const d=document.createElement("button");d.className="smbtn red";d.textContent="✕";d.onclick=()=>{players.splice(i,1);buildMenu();};row.appendChild(d);}
pl.appendChild(row);
});
updateHitModeVisibility();
}
buildMenu();loadSettings();
function addPlayer(){players.push({name:"Player "+(players.length+1)});buildMenu();}
function setMode(m){
mode=m;
document.getElementById("mc-b").classList.toggle("sel",m==="builtin");
document.getElementById("mc-m").classList.toggle("sel",m==="mp3");
document.getElementById("rc").style.display=m==="builtin"?"block":"none";
document.getElementById("mc-mp3").style.display=m==="mp3"?"block":"none";
}
document.getElementById("fi").addEventListener("change",async e=>{
const f=e.target.files[0];if(!f)return;
document.getElementById("mp3n").textContent="Loading…";
const ac=getAc(true);
mp3Buffer=await ac.decodeAudioData(await f.arrayBuffer());
document.getElementById("mp3n").textContent=f.name;
});
// ── AUDIO CTX ──────────────────────────────────────────
// Linux/Chrome requires a user gesture before AudioContext will run.
// We create one shared context and resume it on every user interaction.
let _ac=null;
function getAc(prev=false){
if(prev){
if(!previewAc||previewAc.state==="closed")previewAc=new(window.AudioContext||window.webkitAudioContext)();
previewAc.resume();
return previewAc;
}
if(!gameAc||gameAc.state==="closed")gameAc=new(window.AudioContext||window.webkitAudioContext)();
gameAc.resume();
return gameAc;
}
// Unlock audio on ANY user interaction — click, touch, keydown
function unlockAudio(){
[previewAc,gameAc].forEach(ac=>{if(ac&&ac.state==="suspended")ac.resume();});
// create them early so they're ready
if(!previewAc){previewAc=new(window.AudioContext||window.webkitAudioContext)();previewAc.resume();}
if(!gameAc){gameAc=new(window.AudioContext||window.webkitAudioContext)();gameAc.resume();}
}
["click","touchstart","keydown","mousedown"].forEach(ev=>document.addEventListener(ev,unlockAudio,{once:false}));
// ── PREVIEW ────────────────────────────────────────────
function togglePreview(){previewing?stopPreview():startPreview();}
function stopPreview(){
previewing=false;previewNodes.forEach(n=>{try{n.stop();}catch(e){}});previewNodes=[];
const b=document.getElementById("pvbtn");b.textContent="▶ Preview";b.classList.remove("playing");
}
function startPreview(){
stopPreview();previewing=true;
const b=document.getElementById("pvbtn");b.textContent="■ Stop";b.classList.add("playing");
const r=SYNTH_GENRES[curGenre]?SYNTH_GENRES[curGenre][curIdx]:GENRES[curGenre][curIdx];
document.getElementById("pvlbl").textContent="▶ "+r.n;
loopPreview(r,0);
}
function loopPreview(r,gen){
if(!previewing||gen>200)return;
if(r.isClassical){var ac2=getAc(true);ac2.resume();var t0c=ac2.currentTime+0.15;for(var ci=0;ci<r.bg.length;ci++){var cn=r.bg[ci];playSynth(ac2,cn.f,t0c+cn.t,cn.d,cn.i,(cn.v||0.3)*0.7,previewNodes);}return;}
const ac=getAc(true),bs=60/r.bpm,bars=r.bars||8,len=bars*4*bs,t0=ac.currentTime+0.05;
for(let bar=0;bar<bars;bar++)for(const p of r.p)schedPvHit(ac,p.l,t0+bar*4*bs+p.t*bs);
setTimeout(()=>loopPreview(r,gen+1),len*1000-100);
}
function schedPvHit(ac,lane,t){playDrumAt(ac,lane,t,1.5,previewNodes);}
// ── SCORES ─────────────────────────────────────────────
function lsLoad(){try{const s=localStorage.getItem("drgame5");return s?JSON.parse(s):[]}catch(e){return[];}}
function lsSave(){try{localStorage.setItem("drgame5",JSON.stringify(savedScores));}catch(e){}}
function clearScores(){if(confirm("Clear all scores?")){savedScores=[];lsSave();renderScores();refreshMiniLB();}}
function refreshMiniLB(){
const top=[...savedScores].sort((a,b)=>b.score-a.score).slice(0,3);
document.getElementById("mlb").innerHTML=top.length?top.map((s,i)=>`${["🥇","🥈","🥉"][i]} <b>${s.player}</b> — ${s.rhythm}${s.score.toLocaleString()} (${s.acc}%)`).join("<br>"):"No scores yet.";
}
function renderScores(){
const all=[...savedScores].sort((a,b)=>b.score-a.score);
document.getElementById("stbody").innerHTML=all.map((s,i)=>`<tr><td>${["🥇","🥈","🥉"][i]||""}</td><td>${s.player}</td><td>${s.rhythm}</td><td><b>${s.score.toLocaleString()}</b></td><td>${s.acc}%</td><td>${s.streak}</td><td>${s.date}</td></tr>`).join("");
}
refreshMiniLB();
// ── GAME START ─────────────────────────────────────────
function startGame(){
stopPreview();
// Pre-warm AudioContext on Linux — resume early so it's ready after countdown
var warmAc=getAc();warmAc.resume();
gamePlayers=players.map(p=>({...p,score:0,streak:0,maxStreak:0,total:0,good:0}));
activePIdx=0;resetStats();show("sg");resizeCv();
if(mode==="builtin"){
gameRhythm=SYNTH_GENRES[curGenre]?SYNTH_GENRES[curGenre][curIdx]:GENRES[curGenre][curIdx];
document.getElementById("hud-title").textContent=curGenre+" — "+gameRhythm.n+" ("+gameRhythm.bpm+" bpm)";
notes=gameRhythm.isClassical?buildClassicalNotes(gameRhythm):buildNotes(gameRhythm);
countdown(()=>gameRhythm.isClassical?beginClassical():beginBuiltin());
} else {
gameRhythm=null;notes=[];
document.getElementById("hud-title").textContent=mp3Buffer?"MP3 Jam":"Jam";
countdown(()=>beginMp3());
}
updateHud();
}
function stopGame(){playing=false;if(mp3Src){try{mp3Src.stop();}catch(e){}mp3Src=null;}gameSynthNodes.forEach(function(n){try{n.stop();}catch(e){}});gameSynthNodes=[];}
function resetStats(){cScore=0;cStreak=0;cTotal=0;cGood=0;cMaxStreak=0;gameEndTime=null;}
function buildNotes(r){
const bs=60/r.bpm/gameSpeed,bars=r.bars||8,res=[];
for(let bar=0;bar<bars;bar++)
for(const p of r.p)
if(activePads[p.l])
res.push({time:(bar*4+p.t)*bs,lane:p.l,hit:false,missed:false});
var sorted=res.sort((a,b)=>a.time-b.time);
return simplifyNotes(sorted);
}
function countdown(cb){
const el=document.getElementById("cdown");let n=3;
el.style.opacity=1;el.textContent=n;
const iv=setInterval(()=>{n--;if(n<=0){clearInterval(iv);el.style.opacity=0;cb();}else el.textContent=n;},1000);
}
function beginBuiltin(){
playing=true;
const ac=getAc(),r=gameRhythm,bs=60/r.bpm/gameSpeed,bars=r.bars||8;
gameStartTime=ac.currentTime;
for(let bar=0;bar<bars;bar++)
for(const p of r.p)
playDrumAt(ac,p.l,gameStartTime+bar*4*bs+p.t*bs,4,[]);
const totalSec=bars*4*bs;
gameEndTime=totalSec;
setTimeout(()=>{if(playing)endTurn();},totalSec*1000+5000);
}
function beginMp3(){
playing=true;gameStartTime=getAc().currentTime;
if(mp3Buffer){
mp3Src=getAc().createBufferSource();mp3Src.buffer=mp3Buffer;
mp3Src.connect(getAc().destination);mp3Src.start();
mp3Src.onended=()=>{if(playing)endTurn();};
} else setTimeout(()=>{if(playing)endTurn();},30000);
}
function endTurn(){
playing=false;
const p=gamePlayers[activePIdx];
p.score=cScore;p.streak=cMaxStreak;p.total=cTotal;p.good=cGood;
const acc=cTotal?Math.round(cGood/cTotal*100):0;
savedScores.push({player:p.name,rhythm:gameRhythm?curGenre+" — "+gameRhythm.n:"MP3 Jam",score:cScore,acc,streak:cMaxStreak,date:new Date().toLocaleDateString()});
lsSave();
activePIdx++;
if(activePIdx<gamePlayers.length){
resetStats();notes=gameRhythm?(gameRhythm.isClassical?buildClassicalNotes(gameRhythm):buildNotes(gameRhythm)):[];updateHud();
const banner=document.getElementById("pbanner");
banner.textContent="Next: "+gamePlayers[activePIdx].name+"!";banner.style.opacity=1;
setTimeout(()=>{banner.style.opacity=0;setTimeout(()=>countdown(()=>gameRhythm.isClassical?beginClassical():beginBuiltin()),400);},2200);
} else {
const sorted=[...gamePlayers].sort((a,b)=>b.score-a.score);
const lines=sorted.map((p,i)=>`${["🥇","🥈","🥉"][i]||" "} ${p.name}: ${p.score.toLocaleString()} (${p.total?Math.round(p.good/p.total*100):0}%)`);
setTimeout(()=>{alert("Results:\n\n"+lines.join("\n"));goMenu();},500);
}
}
// ── HIT LOGIC ──────────────────────────────────────────
function triggerPad(lane){
var isClassical=gameRhythm&&gameRhythm.isClassical;
var isClassicalOrch=isClassical&&classicalHitMode==='orchestra';
// Drum hit sound — quieter in classical so orchestra background is audible
if(!isClassicalOrch){
playDrumAt(getAc(),lane,getAc().currentTime,isClassical?3:8,[]);
}
laneFlash[lane]=1;setTimeout(()=>laneFlash[lane]=0,120);
if(!playing)return;
if(mode==="mp3"){showMsg("♪",LANES[lane].color);return;}
if(!activePads[lane])return; // inactive pad — sound only
const now=getAc().currentTime-gameStartTime;
let best=null,bestD=HIT_WIN;
for(const n of notes){
if(n.lane!==lane||n.hit||n.missed)continue;
const d=Math.abs(n.time-now);
if(d<bestD){bestD=d;best=n;}
}
cTotal++;
if(best){
best.hit=true;cStreak++;cGood++;cScore+=100*Math.min(cStreak,10);
if(cStreak>cMaxStreak)cMaxStreak=cStreak;
// Play orchestral hit sound for classical mode
if(isClassicalOrch&&best.freq){
var ac=getAc(),ct=ac.currentTime;
playSynth(ac,best.freq,ct,0.35,'strings',0.7,[]);
playSynth(ac,best.freq,ct,0.35,'brass',0.4,[]);
} else if(isClassicalOrch){
playDrumAt(getAc(),lane,getAc().currentTime,3,[]);
}
showMsg(bestD<0.05?"PERFECT!":"GOOD",bestD<0.05?"#68d391":"#d69e2e");
} else {
// Miss — quiet drum thud as feedback
if(isClassicalOrch)playDrumAt(getAc(),lane,getAc().currentTime,2,[]);
cStreak=0;showMsg("MISS","#fc8181");
}
updateHud();
}
function updateHud(){
document.getElementById("hs").textContent=cScore.toLocaleString();
document.getElementById("hst").textContent=cStreak;
document.getElementById("ha").textContent=cTotal?Math.round(cGood/cTotal*100)+"%":"-";
document.getElementById("hp").textContent=gamePlayers[activePIdx]?.name||"-";
}
function showMsg(txt,color){
const el=document.getElementById("msg");el.textContent=txt;el.style.color=color;el.style.opacity=1;
clearTimeout(msgTmr);msgTmr=setTimeout(()=>el.style.opacity=0,500);
}
// ── CANVAS ─────────────────────────────────────────────
const canvas=document.getElementById("c");
const wrap=document.getElementById("cwrap");
const cx=canvas.getContext("2d");
function resizeCv(){canvas.width=wrap.clientWidth;canvas.height=wrap.clientHeight;}
resizeCv();window.addEventListener("resize",resizeCv);
function draw(){
requestAnimationFrame(draw);
const W=canvas.width,H=canvas.height;
if(!W||!H)return;
cx.clearRect(0,0,W,H);
// Pad lanes (everything except kick) in columns; kick centered at bottom
const padLanes=LANES.map((l,i)=>i).filter(i=>i!==4&&activePads[i]);
const hasKick=activePads[4];
const PAD_H=hasKick?Math.floor(H*0.78):H;
const KICK_H=H-PAD_H;
const nLanes=padLanes.length;
const LANE_W=nLanes>0?W/nLanes:W;
const HIT_Y=Math.floor(PAD_H*0.76);
const KICK_HIT_Y=PAD_H+Math.floor(KICK_H*0.55);
const now=(playing&&gameStartTime!=null)?getAc().currentTime-gameStartTime:-9999;
// Lane positions map: lane index -> x center
const laneX={};
padLanes.forEach((li,col)=>{laneX[li]=col*LANE_W+LANE_W/2;});
// Draw pad lanes
padLanes.forEach((li,col)=>{
const x=col*LANE_W;
cx.fillStyle=laneFlash[li]?LANES[li].color+"33":"#0d0d16";
cx.fillRect(x,0,LANE_W,PAD_H);
if(col>0){cx.strokeStyle="#1e1e2e";cx.lineWidth=1;cx.beginPath();cx.moveTo(x,0);cx.lineTo(x,PAD_H);cx.stroke();}
cx.fillStyle=LANES[li].color;cx.font="bold 12px sans-serif";cx.textAlign="center";
cx.fillText(LANES[li].label,x+LANE_W/2,PAD_H-20);
cx.fillStyle="#999";cx.font="10px sans-serif";
var keyLabel=LANES[li].key===" "?"SPACE":LANES[li].key.toUpperCase();
cx.fillText(keyLabel,x+LANE_W/2,PAD_H-7);
});
// Kick zone — centered at bottom, notes fall from top of screen
if(hasKick){
cx.fillStyle=laneFlash[4]?LANES[4].color+"33":"#0a0a12";
cx.fillRect(0,PAD_H,W,KICK_H);
cx.strokeStyle="#1e1e2e";cx.lineWidth=1;cx.beginPath();cx.moveTo(0,PAD_H);cx.lineTo(W,PAD_H);cx.stroke();
cx.fillStyle=LANES[4].color;cx.font="bold 13px sans-serif";cx.textAlign="center";
cx.fillText("Kick",W/2,PAD_H+KICK_H*0.42);
cx.fillStyle="#999";cx.font="10px sans-serif";
cx.fillText("SPACE",W/2,PAD_H+KICK_H*0.72);
}
if(nLanes===0&&!hasKick)return;
// Pad hit line
if(nLanes>0){
cx.strokeStyle="rgba(255,255,255,0.5)";cx.lineWidth=2;
cx.beginPath();cx.moveTo(0,HIT_Y);cx.lineTo(W,HIT_Y);cx.stroke();
cx.fillStyle="rgba(255,255,255,0.03)";
cx.fillRect(0,HIT_Y-SPEED*HIT_WIN,W,SPEED*HIT_WIN*2);
}
// Kick hit line
if(hasKick){
cx.strokeStyle=LANES[4].color+"88";cx.lineWidth=2;
cx.beginPath();cx.moveTo(W*0.15,KICK_HIT_Y);cx.lineTo(W*0.85,KICK_HIT_Y);cx.stroke();
}
// Target rings — pad lanes
padLanes.forEach(li=>{
const x=laneX[li],r=Math.min(LANE_W*0.33,26);
cx.beginPath();cx.arc(x,HIT_Y,r,0,Math.PI*2);
cx.strokeStyle=laneFlash[li]?LANES[li].color:LANES[li].color+"55";
cx.lineWidth=laneFlash[li]?3:2;cx.stroke();
if(laneFlash[li]){cx.beginPath();cx.arc(x,HIT_Y,r,0,Math.PI*2);cx.fillStyle=LANES[li].color+"44";cx.fill();}
});
// Kick ring
if(hasKick){
const kr=Math.min(W*0.08,34);
cx.beginPath();cx.arc(W/2,KICK_HIT_Y,kr,0,Math.PI*2);
cx.strokeStyle=laneFlash[4]?LANES[4].color:LANES[4].color+"55";
cx.lineWidth=laneFlash[4]?3:2;cx.stroke();
if(laneFlash[4]){cx.beginPath();cx.arc(W/2,KICK_HIT_Y,kr,0,Math.PI*2);cx.fillStyle=LANES[4].color+"44";cx.fill();}
}
// Auto-end when all notes resolved and past expected end time
if(playing&&mode==="builtin"&&gameEndTime!=null&&now>=gameEndTime){
if(notes.length===0||notes.every(n=>n.hit||n.missed))endTurn();
}
// Notes — pad lanes fall in columns, kick falls centered from top
if(mode==="builtin"&&now>-9000){
for(const n of notes){
if(n.hit)continue;
const dt=n.time-now;
if(n.lane===4){
// Kick — falls from top of screen, centered, landing on KICK_HIT_Y
if(!hasKick)continue;
const ky=KICK_HIT_Y-dt*SPEED;
if(ky<-40||ky>H+40){
if(!n.missed&&dt<-HIT_WIN){n.missed=true;if(cStreak>0){cStreak=0;updateHud();}}
continue;
}
const kr=Math.min(W*0.08,34);
cx.globalAlpha=n.missed?0.2:1;
cx.fillStyle=LANES[4].color;cx.beginPath();cx.arc(W/2,ky,kr,0,Math.PI*2);cx.fill();
cx.strokeStyle="#fff";cx.lineWidth=2;cx.beginPath();cx.arc(W/2,ky,kr,0,Math.PI*2);cx.stroke();
cx.globalAlpha=1;
if(!n.missed&&dt<-HIT_WIN){n.missed=true;if(cStreak>0){cStreak=0;updateHud();}}
} else {
// Pad lanes — fall in columns
if(!laneX.hasOwnProperty(n.lane))continue;
const ny=HIT_Y-dt*SPEED;
if(ny<-40||ny>PAD_H+40){
if(!n.missed&&dt<-HIT_WIN){n.missed=true;if(cStreak>0){cStreak=0;updateHud();}}
continue;
}
const x=laneX[n.lane],r=Math.min(LANE_W*0.33,26);
cx.globalAlpha=n.missed?0.2:1;
const g=cx.createRadialGradient(x,ny,0,x,ny,r*2);
g.addColorStop(0,LANES[n.lane].color+"aa");g.addColorStop(1,LANES[n.lane].color+"00");
cx.fillStyle=g;cx.beginPath();cx.arc(x,ny,r*2,0,Math.PI*2);cx.fill();
cx.fillStyle=LANES[n.lane].color;cx.beginPath();cx.arc(x,ny,r,0,Math.PI*2);cx.fill();
cx.strokeStyle="#fff";cx.lineWidth=2;cx.beginPath();cx.arc(x,ny,r,0,Math.PI*2);cx.stroke();
cx.globalAlpha=1;
if(!n.missed&&dt<-HIT_WIN){n.missed=true;if(cStreak>0){cStreak=0;updateHud();}}
}
}
}
}
draw();
// ── DRUM SOUNDS ────────────────────────────────────────
function playDrumAt(ac,lane,t,vol,arr){
vol=vol*masterVolume;
const type=LANES[lane].type;
function mk(n){if(arr)arr.push(n);}
if(type==="kick"||type==="bass"){
const o=ac.createOscillator(),g=ac.createGain();
o.connect(g);g.connect(ac.destination);
o.frequency.setValueAtTime(180,t);o.frequency.exponentialRampToValueAtTime(40,t+0.15);
g.gain.setValueAtTime(vol,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.3);
o.start(t);o.stop(t+0.35);mk(o);
} else if(type==="snare"){
const sz=ac.sampleRate*0.12,buf=ac.createBuffer(1,sz,ac.sampleRate),d=buf.getChannelData(0);
for(let i=0;i<sz;i++)d[i]=Math.random()*2-1;
const s=ac.createBufferSource(),f=ac.createBiquadFilter(),g=ac.createGain();
f.type="highpass";f.frequency.value=1500;s.buffer=buf;s.connect(f);f.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(vol*.75,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.12);
s.start(t);s.stop(t+0.15);mk(s);
const o=ac.createOscillator(),g2=ac.createGain();
o.connect(g2);g2.connect(ac.destination);o.frequency.value=180;
g2.gain.setValueAtTime(vol*.35,t);g2.gain.exponentialRampToValueAtTime(0.001,t+0.07);
o.start(t);o.stop(t+0.08);mk(o);
} else if(type==="hihat"){
const sz=ac.sampleRate*0.05,buf=ac.createBuffer(1,sz,ac.sampleRate),d=buf.getChannelData(0);
for(let i=0;i<sz;i++)d[i]=Math.random()*2-1;
const s=ac.createBufferSource(),f=ac.createBiquadFilter(),g=ac.createGain();
f.type="highpass";f.frequency.value=7000;s.buffer=buf;s.connect(f);f.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(vol*.5,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.05);
s.start(t);s.stop(t+0.06);mk(s);
} else if(type==="crash"){
// Crash cymbal — long noise burst with resonance
const sz=ac.sampleRate*0.4,buf=ac.createBuffer(1,sz,ac.sampleRate),d=buf.getChannelData(0);
for(let i=0;i<sz;i++)d[i]=Math.random()*2-1;
const s=ac.createBufferSource(),f=ac.createBiquadFilter(),g=ac.createGain();
f.type="bandpass";f.frequency.value=4000;f.Q.value=0.5;s.buffer=buf;s.connect(f);f.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(vol*.6,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.4);
s.start(t);s.stop(t+0.45);mk(s);
} else if(type==="ride"){
// Ride cymbal — shorter metallic ping
const sz=ac.sampleRate*0.15,buf=ac.createBuffer(1,sz,ac.sampleRate),d=buf.getChannelData(0);
for(let i=0;i<sz;i++)d[i]=Math.random()*2-1;
const s=ac.createBufferSource(),f=ac.createBiquadFilter(),g=ac.createGain();
f.type="bandpass";f.frequency.value=6000;f.Q.value=1.5;s.buffer=buf;s.connect(f);f.connect(g);g.connect(ac.destination);
g.gain.setValueAtTime(vol*.45,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.12);
s.start(t);s.stop(t+0.15);mk(s);
// Add a subtle pitched ping
const o=ac.createOscillator(),g2=ac.createGain();
o.type="triangle";o.connect(g2);g2.connect(ac.destination);o.frequency.value=800;
g2.gain.setValueAtTime(vol*.15,t);g2.gain.exponentialRampToValueAtTime(0.001,t+0.08);
o.start(t);o.stop(t+0.1);mk(o);
} else { // tom / tom2 / tom3
const freq=type==="tom"?160:type==="tom2"?120:90;
const o=ac.createOscillator(),g=ac.createGain();
o.connect(g);g.connect(ac.destination);
o.frequency.setValueAtTime(freq,t);o.frequency.exponentialRampToValueAtTime(freq*0.4,t+0.2);
g.gain.setValueAtTime(vol*.85,t);g.gain.exponentialRampToValueAtTime(0.001,t+0.25);
o.start(t);o.stop(t+0.28);mk(o);
}
}
// ── PAUSE ─────────────────────────────────────────────
function togglePause(){
if(!playing&&!paused)return;
var ac=getAc();
if(!paused){
paused=true;playing=false;pauseTime=ac.currentTime;
ac.suspend();
document.getElementById("pause-overlay").classList.add("show");
} else {
paused=false;playing=true;
ac.resume();
document.getElementById("pause-overlay").classList.remove("show");
}
}
// ── REMAP ─────────────────────────────────────────────
var remapLanes=LANES.map(function(ln,i){return{l:i,name:ln.label.toUpperCase(),color:ln.color};});
function startRemap(){
remapping=true;remapStep=0;remapResult={};
document.getElementById("remap-overlay").classList.add("show");
showRemapStep();
}
function cancelRemap(){
remapping=false;document.getElementById("remap-overlay").classList.remove("show");
}
function showRemapStep(){
if(remapStep>=remapLanes.length){
// Done — save mapping
gpMap={};
for(var k in remapResult)gpMap[k]=remapResult[k];
localStorage.setItem("drgameGpMap",JSON.stringify(gpMap));
remapping=false;
document.getElementById("remap-overlay").classList.remove("show");
document.getElementById("remap-prompt").textContent="";
return;
}
var rl=remapLanes[remapStep];
document.getElementById("remap-prompt").innerHTML="Hit your <span style='color:"+rl.color+";font-size:24px'>"+rl.name+"</span> pad";
document.getElementById("remap-status").textContent="Step "+(remapStep+1)+" of "+remapLanes.length+(remapStep===4?" (or press foot pedal)":"");
}
var remapCooldown=false;
function handleRemapButton(bi){
if(!remapping||remapCooldown)return false;
remapResult[bi]=remapLanes[remapStep].l;
remapStep++;
remapCooldown=true;
setTimeout(function(){remapCooldown=false;},300);
showRemapStep();
return true;
}
// ── KEYBOARD REMAP ────────────────────────────────────
var keyRemapping=false,keyRemapStep=0,keyRemapResult={};
var customKeyMap=JSON.parse(localStorage.getItem("drgameKeyMap")||"null");
// Apply saved key mappings on load
if(customKeyMap){
LANES.forEach(function(ln,i){if(customKeyMap[i]!==undefined)ln.key=customKeyMap[i];});
}
function startKeyRemap(){
keyRemapping=true;keyRemapStep=0;keyRemapResult={};
document.getElementById("keyremap-overlay").classList.add("show");
showKeyRemapStep();
}
function cancelKeyRemap(){
keyRemapping=false;document.getElementById("keyremap-overlay").classList.remove("show");
}
function showKeyRemapStep(){
if(keyRemapStep>=LANES.length){
// Done — apply and save
LANES.forEach(function(ln,i){if(keyRemapResult[i]!==undefined)ln.key=keyRemapResult[i];});
var map={};LANES.forEach(function(ln,i){map[i]=ln.key;});
localStorage.setItem("drgameKeyMap",JSON.stringify(map));
customKeyMap=map;
keyRemapping=false;
document.getElementById("keyremap-overlay").classList.remove("show");
buildPadToggles();
return;
}
var ln=LANES[keyRemapStep];
document.getElementById("keyremap-prompt").innerHTML="Press key for <span style='color:"+ln.color+";font-size:24px'>"+ln.label.toUpperCase()+"</span>";
document.getElementById("keyremap-status").textContent="Step "+(keyRemapStep+1)+" of "+LANES.length+" (press any key)";
}
var keyRemapCooldown=false;
window.addEventListener("keydown",function(e){
if(keyRemapping){
if(e.key==="Escape"){cancelKeyRemap();e.preventDefault();return;}
if(keyRemapCooldown)return;
e.preventDefault();
keyRemapResult[keyRemapStep]=e.key===" "?" ":e.key.toLowerCase();
keyRemapStep++;
keyRemapCooldown=true;
setTimeout(function(){keyRemapCooldown=false;},300);
showKeyRemapStep();
return;
}
},true);
// ── INPUT ──────────────────────────────────────────────
window.addEventListener("keydown",e=>{
if(keyRemapping)return;
if(e.key==="Escape"){e.preventDefault();togglePause();return;}
if(paused)return;
const i=LANES.findIndex(l=>l.key===e.key.toLowerCase()||(l.key===" "&&e.key===" "));
if(i>=0){e.preventDefault();triggerPad(i);}
});
// ── GAMEPAD AUTO-DETECT ──────────────────────────────
var gpAutoDetected=false;
function autoDetectGamepad(gp){
if(gpAutoDetected)return;
gpAutoDetected=true;
var nButtons=gp.buttons.length;
// Enable lanes based on detected button count (5 = standard Rock Band, more = extended kit)
var lanesToEnable=Math.min(nButtons,LANES.length);
// Always enable at least the first 5 (standard kit) if we have 5+ buttons
if(lanesToEnable>=5){
for(var i=0;i<5;i++)activePads[i]=true;
// Enable extra lanes for extended kits (6+ buttons)
for(var j=5;j<lanesToEnable;j++)activePads[j]=true;
}
buildPadToggles();
var gpd=document.getElementById("gpd");
if(gpd)gpd.textContent="🎮 "+gp.id.slice(0,25)+" ("+nButtons+" buttons)";
}
function pollGP(){
const gps=navigator.getGamepads?navigator.getGamepads():[];
let found=false;
for(const gp of gps){
if(!gp)continue;found=true;
if(!gpAutoDetected)autoDetectGamepad(gp);
else document.getElementById("gpd").textContent="🎮 "+gp.id.slice(0,20);
var remapHandled=false;
gp.buttons.forEach((btn,bi)=>{
if(btn.pressed&&!prevBtns[bi]){
if(remapping){
if(!remapHandled){remapHandled=true;handleRemapButton(bi);}
}
else if(!paused&&gpMap[bi]!==undefined)triggerPad(gpMap[bi]);
}
prevBtns[bi]=btn.pressed;
});
}
if(!found)document.getElementById("gpd").textContent="No gamepad";
requestAnimationFrame(pollGP);
}
pollGP();
</script>
</body>
</html>