diff --git a/index.html b/index.html
index fc1c2ec..accb8fb 100644
--- a/index.html
+++ b/index.html
@@ -3569,10 +3569,10 @@ const FOLK_PIECES=(function(){
 
   // ── Danny Boy ──
   var dannyboy=folk("Danny Boy","Irish Traditional (1910s)",72,
-    [C4,E4,F4,G4,A4,G4,F4,E4,C4,D4,E4,F4,E4,D4,C4,E4,F4,G4,A4,C5,A4,G4,F4,C4],
-    [0,2,1,3,0,3,1,2,0,1,2,1,2,1,0,2,1,3,0,0,0,3,1,0],
-    [2,1,1,2,2,1,1,2,2,1,2,1,2,2,2,1,1,2,2,2,1,1,2,3],
-    4,C4);
+    [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];
 })();
@@ -3582,7 +3582,7 @@ const FOLK_PIECES=(function(){
 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,E5=NT.E5,F5=NT.F5,G5=NT.G5;
+    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++){
@@ -3624,9 +3624,9 @@ const CHRISTMAS_PIECES=(function(){
     [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,C5,D5,Eb4,C5,A4,Bb4,F4,Bb4,Bb4,Bb4,C5,D5,D5,D5,C5,D5,Eb4,C5,A4,Bb4],
-    [1,2,2,2,0,1,1,1,0,1,2,0,0,2,1,2,2,2,0,1,1,1,0,1,2,0,0,2],
-    [1,2,1,1,1,2,1,1,1,1,1,1,1,3,1,2,1,1,1,2,1,1,1,1,1,1,1,4],
+    [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],
@@ -3880,10 +3880,10 @@ const SPIRITUAL_PIECES=(function(){
     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,
-    [G4,C5,C5,E5,D5,C5,A4,G4,E4,G4,A4,G4,E4,C4,D4,E4,G4,C5,C5,E5,D5,C5,A4,G4,E4,G4,A4,C5,G4],
-    [3,0,0,2,1,0,0,3,2,3,0,3,2,0,1,2,3,0,0,2,1,0,0,3,2,3,0,0,3],
-    [2,2,1,2,1,1,2,2,1,1,1,2,1,2,1,1,2,2,1,2,1,1,2,2,1,1,2,1,4],
-    4,C4);
+    [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],
@@ -3900,9 +3900,9 @@ const SPIRITUAL_PIECES=(function(){
     [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,E4,C4,D4,E4,F4,G4,A4,G4,E4,C4,D4,C4,C4,E4,G4,A4,G4,E4,F4,E4,D4,C4],
-    [0,2,1,2,0,1,2,1,3,0,3,2,0,1,0,0,2,3,0,3,2,1,2,1,0],
-    [1,1,1,2,1,1,1,1,2,1,1,1,2,1,3,1,1,2,1,1,1,1,1,1,4],
+    [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],
@@ -3947,10 +3947,10 @@ const WORLD_PIECES=(function(){
     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,F4,E4,D4,E4,F4,G4,Ab4,G4,F4,E4,F4,G4,Ab4,B4,Ab4,G4,F4,E4,F4,G4,Ab4,G4,F4,E4,D4,E4],
-    [2,1,2,1,2,1,3,0,3,1,2,1,3,0,3,0,3,1,2,1,3,0,3,1,2,1,2],
-    [1,1,1,1,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,2,1,1,1,1,4],
-    5,E4);
+    [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],
@@ -3972,10 +3972,10 @@ const WORLD_PIECES=(function(){
     [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,D4,E4,F4,G4,A4,G4,F4,E4,D4,C4,D4,E4,F4,G4,C5,B4,A4,G4,F4,E4,F4,G4,A4,G4,F4,E4,D4,C4],
-    [0,1,2,1,3,0,3,1,2,1,0,1,2,1,3,0,3,0,3,1,2,1,3,0,3,1,2,1,0],
-    [1,1,1,1,2,1,1,1,1,1,2,1,1,1,2,1,1,1,1,1,2,1,1,1,1,1,1,1,4],
-    4,C4);
+    [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],