diff --git a/4-seasons.sh b/4-seasons.sh
index 9ed36f6..ac07487 100755
--- a/4-seasons.sh
+++ b/4-seasons.sh
@@ -36,7 +36,8 @@ eval "$_season_info"
 echo "Season=$SEASON  Mvt=$MVT_NUM  Year=$ASTRO_YEAR  Day=$DAY_OF_MVT/$DAYS_IN_MVT  LastDay=$IS_LAST_DAY"
 
 # ── Locate music file and get its duration ────────────────────────────────────
-music_file=$(find "$music_base_dir" -type f -iname "*${SEASON}*Mvt*${MVT_NUM}*" | sort | head -n 1)
+music_file=$(find "$music_base_dir" -type f -iname "*${SEASON}*" \
+    | grep -iE "Mvt[^0-9]*${MVT_NUM}[^0-9]" | sort | head -n 1)
 if [ -z "$music_file" ] || [ ! -f "$music_file" ]; then
     echo "ERROR: Music file not found for $SEASON Mvt $MVT_NUM in $music_base_dir"
     exit 1
diff --git a/montage-mvt.sh b/montage-mvt.sh
index 49b7d7c..9854385 100755
--- a/montage-mvt.sh
+++ b/montage-mvt.sh
@@ -53,7 +53,8 @@ video_dir="$MOVIES_DIR/$CAM_NAME/$ASTRO_YEAR/$SEASON/Mvt$MVT_NUM"
 output_dir="$video_dir/montage"
 mkdir -p "$output_dir"
 
-music_file=$(find "$music_base_dir" -type f -iname "*${SEASON}*Mvt*${MVT_NUM}*" | sort | head -n 1)
+music_file=$(find "$music_base_dir" -type f -iname "*${SEASON}*" \
+    | grep -iE "Mvt[^0-9]*${MVT_NUM}[^0-9]" | sort | head -n 1)
 if [ -z "$music_file" ]; then
     "$SCRIPT_DIR/notify.sh" "FAILED: montage $SEASON Mvt$MVT_NUM ($ASTRO_YEAR)" \
         "Music file not found in $music_base_dir" || true