// Flight 602 — Chicago
// 120 bpm, 4/4, key G major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: sustain pedal (CC 64) lengthens the held notes
// note: Full arrangement: all 78 bars on a 32-step grid, each part at one level. Source detail keeps the original performance.
setcpm(120/4)

// Notation: c3@3 lasts 3 steps · ~ is a rest · [c3,e3] is a chord · "a, b" plays two voices at once · [...]/2 spreads a riff over 2 bars.
// A part's distinct bars are riffs (A, B, C...) played in order: edit a riff to change every repeat.

// chords · piano
const piano = note(`<
  A@5 B@5 C@5 D E@5 F@2 G H@4 I J K@2 L@2 M N@2 O@2 P Q@2 R S@2 T U@2 V W@3 X@2 Y@2 Z AA@3 AB@2 AC@3 AD@2 AE AF@2 AG@2
  AH@2 AI ~@3
>`.pickRestart({
  A: "[~@31 a4@5 d3@2 ~@14 b4@6 ~@12 c#5@9 d3@2 ~@16 a2@2 ~@16 d4@5 a3@6 ~@10 c#4@5 b3@2 ~@3 b3@6 ~@5 b2@3, ~@14 g#4@22 [b3,a#4]@22 [d3,c#4]@5 ~@16 [b3,g#4]@20 d3@10 ~ d3@10 c#3@3 ~@3 a3@8 a3@7 b2@11 b2@5 ~@3, ~@14 a3@2 ~ a4@11 d5@9 ~ b4@14 ~@6 c5@22 ~ a4@13 a4@6 d4@15 ~@5 f#4@21 ~@19, ~@15 d3@21 ~@14 e5@9 ~@2 c#5@9 ~@22 d5@8 ~@5 a3@8 a3@7 c#4@16 ~@18 b3@6, ~@19 f#5@17 ~@6 g5@17 ~@4 e5@17 ~@4 f#5@15 [d2,f#4]@21 c#2@11 [c#2,c#3]@10 [b1,d4,f#4]@19]/5", // Bmaj7 Dmaj7 E D C# Bm
  B: "[~@2 a3@5 a3@5 ~ a3@2 ~@5 a3@3 [a3,d4]@5 ~@10 a2@3 a2@3 [a3,f#4]@4 ~@13 c#2@2 [b3,f#4]@5 ~@10 b2@5 a3@5 a3@5 ~@4 g2@3 g2@2 ~ g3@5 g3@5 ~@5 g2@2 g2@3 g3@5 g3@6 ~@6 e2@3 e4@2 ~@3 g3@5 ~@4 d2@3, ~@2 [a2,d4,f#4]@11 a2@11 ~@7 [d4,f#4]@13 c#4@2 ~@2 a3@5 c#3@5 [c#3,c#4]@6 ~@6 f#4@12 ~ f#4@19 c3@3 ~@8 c3@10 b2@11 b2@4 b2@5 [a1,c4,d#4,g4]@17, ~@2 a1@2 ~@8 f#4@5 ~@6 f#4@3 ~@2 a3@7 ~ a3@8 c#3@7 c#4@5 a3@8 ~@4 b3@7 ~ b3@8 ~@11 [a3,d4]@8 [c4,e4]@21 ~@12 g3@7 a2@10 a2@7, ~@13 d4@5 [d4,f#4]@5 d3@10 ~ d3@11 ~@5 f#4@13 b1@2 ~@6 d4@12 a1@2 ~@8 a2@10 ~@12 g3@8 d4@2 ~@18 g3 ~@11 g3@5, ~@15 a3@5 ~@3 d2@21 c#2@17 ~@2 [b2,d4]@10 b2@5 ~@5 [a2,d4]@12 ~@7 c2@21 [b1,b3]@21 ~@16]/5", // D5 D B5 D C# Am7b5 D5 C …
  C: "[d2@3 g3@5 g3@5 ~@5 g2@2 g2@2 g3@6 g3@5 ~@7 g3@3 ~@17 e2@3 g3@2 ~@13 e2@5 ~@16 a2@4 c#4 ~@37 d2@2 g1@5 [g3,d4] ~@4 d2@4 [g3,b3] ~@2, ~@3 g1@19 [c2,e4]@21 [b1,g4]@21 ~@39 [d2,d3]@7 ~ f#4@7 ~@5 c4@20 ~@5 b3@3 ~@9, ~@3 [g2,b3,d4]@10 g2@5 ~@4 c3@11 c3@11 ~@4 g3@8 [g3,b3,d4]@8 ~@4 g3@8 g3@7 ~ g4@20 d4@9 e4@5 e4@25 ~@17, ~@15 [g3,b3,d4]@7 c4@2 ~@11 g3@5 ~@3 b2@10 b2@5 b2@5 [a1,c4,e4,g4]@20 [g1,g3,b3,d4]@21 ~@20 f#4@20 ~@16, ~@38 c4@5 [b3,d4]@13 ~@7 a2@10 a2@10 g2@11 g2@10 ~@4 a4@7 ~ d4@28 ~@13 d4@3]/5", // G5 G C Em D G Am7 G …
  D: "~@2 [g1,g2]@5 b3@4 ~ d2@5 [g3,b3] ~@3 [g1,g2]@5 d4@5 ~, ~@7 d4@2 ~@8 d4@4 ~@5 b3@3 ~@3, ~@7 g3 ~@18 g3 ~@5", // G
  E: "[d2@4 [g3,d4] ~@4 [g1,g2]@2 ~@3 [g1,g3,d4] ~@4 [a1,a2]@2 ~@2 [b2,d4] b3 ~@4 c3@5 c4@5 g2@4 g3 [c3,c4,e4] ~@4 [b1,b2]@4 [f#3,f#4] ~@5 b2@4 [b3,d4]@2 ~ e2@2 [a1,a2]@5 c4@4 ~ e2@5 g3@3 ~@2 a2@5 c4@5 e2@5 [g3,c4] ~@4 d#3@5 [a#3,d#4]@2 ~@2 a#2@5 [g3,d#4]@3 ~@3 d3@4 [a#3,d#4] ~@4 d3@5 [a2,g3,a#3,d#4] ~@4 c2@5 [d#3,a#3,d4] ~@3 c2@4, ~@4 b3@5 ~@5 [g2,b3]@2 ~@12 c2@6 e4@2 ~@37 e4@10 c4@10 g3@9 ~@11 g3@9 a#3 ~@10 g3@9 ~@10 g3@2 ~@6, ~@34 g3 ~@19 [b3,d4]@9 f#3 ~@9 g3@2 ~@12 a1@6 ~@14 d#2@6 ~@14 d2@6 ~@27]/5", // G5 G G5 A Bm C B F# …
  F: "[~ [d#3,a#3,d4] ~@4 d#2@4 a#3 d4@3 ~ d#2@4 ~ [g3,a#3,d4] ~@4 g2@5 [g3,b3,d4] c#4@3 ~ d2@4 [g3,d4] ~@4 g2@5 [g3,d4] ~@4 d2@5 [g3,d4] ~@4, ~ g3@2 ~@8 g3 ~@8 f2@4 ~@15 b3@4 ~@6 b3@3 ~@7 b3@4 ~]/2", // D#maj7 Gm G G5
  G: "[g1,g2]@5 b3@5 d2@5 [g3,d4] ~@3 [g1,g2]@2 ~@3 [g3,b3,d4]@2 ~@2 [a1,a2]@2 ~@2, ~@5 d4@2 ~@8 b3@3 ~@14, ~@5 g3 ~@18 [g1,g2] ~@7", // G G5 G A G
  H: "[~ [b1,b2,g3,d4] ~@4 [c2,c3]@5 g3@5 c3@5 [g3,c4]@2 g2 ~@2 [b1,b2]@5 [b3,d4]@6 ~@4 e2@3 ~@2 [a2,g3,e4]@5 [g3,c4]@5 c4@5 ~@14 e2@3 [g3,c4]@2 a2 ~@4 [d#2,d#3]@5 [a#3,d#4] ~@4 d#3@5 g3@2 ~@3 d2@5 a#3@5 d3@4 [g3,a#3] ~@4 c2@4, ~ b3@2 ~@8 [c4,e4]@11 ~@9 [f#3,f#4]@2 ~@4 b2@2 [b3,d4]@4 ~@3 c4 ~@9 g3@9 ~ [a1,a2]@7 ~@37 [g3,d4]@10 ~@8, ~@38 f#3@2 ~@6 a1@2 ~@8 a2@2 ~@3 e2@9 [g3,c4]@8 ~@12 g3@10 a#3 ~@4 d3@10 ~@4 a2@2 ~@7]/4", // G C C5 B Bm A7 C5 D# …
  I: "~ d4@2 ~@3 c2@5 [g3,c4] ~@4 d#2@5 [a#3,d#4] ~@3 d#2@2 f2@2 ~ [f2,g3,a#3,d#4] ~, ~ a#3 ~@9 d#4@2 ~@8 g3@2 ~@9", // C5 D#5 D#
  J: "~ f#2@2 g2@5 [g3,d4] ~@3 d2@6 [d3,g3,d4] ~@4 g1@3 ~ b3 [d3,d4] ~@3, ~@8 b3@3 ~@7 b3@5 ~@5 e3@4, ~@14 g3 ~", // G5 D
  K: "[~ c2@4 [c#2,c#3]@3 ~@3 [d2,d3]@5 d4@2 ~@2 a2@5 a3@4 ~ d3@5 [f#3,a3]@2 ~@3 [d2,f#2,c3,d3] ~@3 c#3 [c#2,d4]@3 ~@2 [c2,c3]@5 [e3,g3] a#3@4 g2@4, ~ c3@2 ~@13 a3@9 d4@2 ~@8 d4 ~@9 f#3 ~@9 c4@2 ~@7, ~@16 f#3 ~@8 f#3 ~@3 d2@6 ~@29]/2", // C# D F#m D7 Dmaj7 C Em
  L: "[[e3,c4] ~@4 [c2,c3]@5 [g3,c4]@3 ~ g2@6 c4@3 ~ c2@6 ~@4 g2@5 [c3,g3]@2 ~@3 [a#1,a#2]@4 ~ c#4@4 a1@5 [g2,f3,a#3,d4] a2@3 d2@2, g3@4 ~@6 e4@10 g3@10 [g3,c4]@9 c4@8 ~@2 d4@3 ~@12, ~@24 c3@11 ~@13 [f3,a#3,f4]@3 ~@2 a2@2 ~@9]/2", // C C5 A# Gm7 C5 A#5
  M: "[g1,g2]@4 g3 b3@3 ~ d2@5 [g3,d4] ~@4 [g1,g2]@5 [g3,b3,d4] ~@4 c3@2 ~, ~@4 d4@2 ~@8 b3@4 ~@11 c2 ~@2", // G G5 G
  N: "[~ [c#2,c#3] [b3,d4]@3 ~ d2 c3@5 [f#3,a3]@3 ~ a2@5 ~@5 d2@5 ~@10 c#2@4 [c2,c3]@5 g3@2 ~@3 g2@4 c4@3 ~@2, ~@2 g3 ~@3 d3@6 d4@9 f#3@4 ~ d3@10 d3@7 ~@7 [c4,e4]@10 ~@4, ~@22 a3@9 [f#3,a3]@8 ~ c#3@2 ~@17 g3 ~@4]/2", // C# Bm F#m C F#m
  O: "[~ [c2,c3]@5 [g3,c4,e4]@3 ~ g2@5 [g3,c4] ~@4 [c2,c3]@5 e4@4 ~ g2@5 [g3,c4,e4] ~@3 [a#1,a#2]@2 ~@3 [a#2,d4,f4]@2 ~@3 a2@4 [f3,a#3] [g#2,d4] ~@4 [g1,g2]@5, ~@15 e4@4 ~@6 g3@2 ~@17 a#1@5 a1@2 ~@3 g#1@2 ~@8, ~@25 c4 ~@18 [f3,a#3] ~@19]/2", // C C5 C A# A#5 G#dim G A#5
  P: "[g3,b3] ~@4 d2@5 [g3,b3] ~@4 [g1,g2]@4 [g3,b3,d4] ~@4 [c2,c3]@2 ~@2 [c#2,c#3] [g3,b3,c#4,d4] ~@2, d4@2 ~@8 d4@3 ~@16 d#2@2 ~", // G C C# G
  Q: "[~@2 d3@5 f#3@3 ~@6 f#3@3 ~@2 d2@5 [f#3,a3]@5 ~@9 [c2,c3]@5 [g3,c4]@4 ~@7 g2 ~@3 b1@4, ~ d2@6 [a3,d4]@9 a3@10 ~@7 f#3@3 c#2@8 ~@6 [c2,c3]@5 g3@3 ~@6, ~@12 a2@7 ~@2 d3@9 ~ d3@4 c#3@2 ~@8 e3@8 e3@4 ~@2 b2@5]/2", // F#m C C5 D5 C
  R: "[g3,d4]@2 ~@3 [b1,b2]@2 ~@7 [a1,a2]@5 ~@3 a2@4 [a1,g3] ~ g3 ~@2 d2, b3@5 ~@2 [g3,b3]@4 ~@8 [e3,a3,d4]@6 ~@7, ~@9 b2@9 ~@8 a2@2 ~@4", // G5 B A A7 G Dsus2
  S: "[~ [g1,g2]@4 ~@5 [a1,a2]@5 [b2,a3] ~@4 c2@4 [g3,c4]@6 ~@4 c3@5 b2@5 f#3@5 ~@5 b2@3 ~@2 [c#2,a2]@4 e4, ~@5 [g3,b3,d4]@8 ~@7 c3@10 c3@4 ~@5 b1@9 ~ b2@5 ~@5 a1 ~@4, ~@24 e4@12 ~@15 f#3@6 ~@7, ~@32 [g3,c4]@6 ~@6 [b3,d4]@11 ~@9]/2", // G A B7 C5 F#m G C5 Bm
  T: "g3 ~@8 a2@5 ~@5 [b3,d4]@5 [g2,a3]@4 a2@4, [a3,c4]@7 [a3,c4]@7 ~@4 a#3@5 ~@9, ~@4 a2@5 ~@5 [g1,g2]@7 ~@11, ~@7 g3@4 ~@21", // Bm Gsus2 Am G
  U: "[~ c#4 ~@19 [c4,f#4]@17 d2@2 ~ [b3,d4]@5 [g3,b3]@2 ~@2 d2@4 g3 d4@5 [g1,g2]@4, ~ [d2,d3]@5 a4@5 e4@5 e4@17 ~@8 g2@2 ~@3 d4 ~@8 b3 ~@8, ~@2 d4@7 f#4@5 d4@18 ~@8 g1@2 ~@22]/2", // Cdim Bm G D
  V: "~ [b3,d4]@3 ~@2 d2@5 [g3,b3] ~@3 [g1,g2]@5 [g3,b3,d4]@3 ~@2 d2@5 [b3,d4] ~, ~ g3 ~@9 d4@3 ~@16 g3@2", // Bm G Bm
  W: "[~@3 [g1,g2]@2 ~@3 [g3,b3,d4]@3 ~@2 [a1,a2]@3 ~@2 [b2,g3,b3,d4] ~@4 c2@5 g3@5 ~@5 [g3,c4]@3 g2@2 [b1,b2]@5 [f#3,b3]@2 ~@3 b2@3 f#3@2 b2@2 e2 ~ [a1,a2]@5 c4@2 ~@3 a2@5 c4@4 ~ [a1,a2]@5 ~@5 a2@4, ~@8 [g1,g2] ~@9 b1@2 ~@3 c3@10 c3@8 ~@36 e2@10 ~@9, ~@28 [c4,e4]@11 ~@9 [d4,f#4]@8 [b3,d4]@4 ~@7 [g3,e4]@10 g3 ~@9 [g3,c4]@9]/3", // G A G C5 B B5 A G …
  X: "[~ [g3,c4] ~@13 d#3@5 [g3,a#3,d#4] c#4 ~@3 [d2,d3]@5 [g3,a#3] ~@5 d3@5 [a2,g3,a#3,d4] ~@4 [c2,c3]@5 [g3,d#4]@3 ~@2 c2@5 [g3,d#4] ~@2, ~@5 [d#2,d#3]@6 g3@9 ~@44, ~@10 [a#3,d#4]@4 ~@17 d4@10 ~@10 c4@5 ~@5 c4@2 ~]/2", // C5 D# D Gm C Cm D# D#5
  Y: "[~ d#2@5 ~@5 d#2@4 ~ f2@3 ~ g2@5 [g3,b3] ~@4 d2@5 [g3,b3] ~@4 g2@5 [b3,d4]@2 ~@3 d2@4 [g3,b3,d4] c#4@4 [g1,g2]@5, ~@6 [g3,a#3,d#4]@8 ~@11 d4@3 ~@7 d4@4 g1@6 g3 ~@18]/2", // G Bm G D#
  Z: "[b3,d4]@3 ~@2 d2@5 [g3,d4] ~@3 [g1,g2]@2 ~@3 [g3,b3,d4]@3 ~@2 [a1,a2]@3 ~@2 [b1,g3,b3,d4] ~@2, g3 ~@9 b3@3 ~@6 [g1,g2] ~@9 b2@2 ~", // Bm G5 G A G
  AA: "[~@2 c2@5 ~@11 g2@4 b2@6 f#3@5 ~@9 [a1,a2]@5 e4 ~@4 e2@5 c4@4 ~ [a1,a2]@6 ~@4 a2@5 [g3,c4] ~@4 [d#2,d#3]@5 [g3,a#3,d#4] ~@4 a#2@4, ~@2 c3@10 c3@10 b1@10 ~@3 f#3@6 ~@6 c4@5 ~@35 c#4@9, ~@7 [c4,e4]@13 ~@8 [b3,d4,f#4]@10 e2@8 ~@50, ~@7 g3@10 g3@5 ~@11 b2@7 ~@8 g3@9 g3@11 [g3,c4]@8 ~@20]/3", // A C5 D# C Bm C5
  AB: "[~ [g3,a#3,d#4] ~@4 [d2,d3]@5 a#3 ~@4 d3@4 [g3,a#3,d4] a2@2 ~@3 c2@5 [c4,d#4] ~@3 c3@5 [g3,d#4] ~@4 d#2@5 d#4@4 d#2@5 f2 g3@3 ~, ~ c#4@3 ~@7 g3@9 ~@5 c3@6 g3@9 c4@3 ~@7 g3@8 ~@6, ~@50 a#3@2 ~@8 a#3 ~@3]/2", // D# D Gm Cm
  AC: "[g2@5 [g3,d4] ~@4 d2@5 [g3,b3] ~@4 g1@5 [g3,d4] ~@4 c2@4 g3 [c#2,b3] ~@3 d2@5 [f#3,a3] ~@4 a1@5 [f#3,d4] ~@13 d3@5 c#3@3 ~@2 [c2,c3]@5 [e3,g3]@2 ~@3 g2@4 [e3,g3] a#3@3, ~@5 b3@3 ~@7 d4@4 ~@6 b3@3 ~@7 d4@2 ~@7 d4@3 ~@7 c4@8 ~@2 [f#3,a3]@8 ~@11 c4@5 ~@5 c4 ~@2, ~@54 a3@3 ~@2 d2@9 d2@4 ~ c#2@9 ~@14]/3", // G5 G G5 C#7 F#m D C Em …
  AD: "[~ [c2,c3]@5 [c4,e4]@3 ~@7 c4@5 ~@10 c3@4 [b2,g3]@2 ~@3 [a#1,a#2]@5 [f3,a#3,d4,f4]@3 ~@2 a#1@4 [f3,a#3,d4] ~@4 [g1,g2]@5, ~@6 g3@10 g3@10 [g3,c4]@9 c4@8 ~@2 c#4@5 ~@14, ~@11 g2@9 ~ [c2,c3]@10 ~@4 c3 ~@14 a#2@2 ~@2 [a1,a2]@2 ~@8]/2", // C Em A# G C5 C A
  AE: "[g3,d4] ~@4 d2@5 [g3,d4] ~@4 [g1,g2]@5 [g3,b3,d4] ~@3 [c2,c3]@2 ~@3 [c#3,g3,a#3,d4] ~@2, b3@2 ~@8 b3@3 ~@16 [c#2,b3]@3", // G5 G C Gm C#7
  AF: "[~@2 [d2,d3]@5 a3 ~@18 f#3@5 d2 ~@9 [c2,c3]@5 g3@4 ~ g2@4 [e3,g3] a#3@3 ~ [c2,c3]@4, ~@7 [f#3,d4]@9 [f#3,a3]@12 ~@3 [c3,d3]@5 c#2@5 ~@5 c4@2 ~@16, ~@11 a2@9 ~ [d2,d3]@10 ~@4 c#3@3 ~ g2@6 ~ e3@9 ~@9]/2", // D C Em C D F#m Csus2 D
  AG: "[~ [g3,c4]@2 ~@2 g2@6 g3@5 ~@4 c4@5 g2@5 g3 ~@3 [a#1,a#2]@5 [f3,c#4,d4]@5 a#2@5 [f3,a#3,d4] ~@4 [g1,g2]@5 [g3,b3] ~@4, ~ e4@10 c4@9 g3@10 c4@7 ~@2 [a#3,f4]@4 ~@16 d4@5, ~@16 [c2,c3]@9 ~@24 [a1,a2]@2 ~@8 c#4@2 ~@3]/2", // C5 A# C# A# G A#5 C A
  AH: "[d2@4 g3 d4@3 ~@2 g2@4 [b3,d4]@2 ~@3 [g1,g2] ~@3 [c3,g3,b3,d4] ~@5 [c3,d3]@4 a3 ~@23 a2@5 [d2,f#3]@2, ~@5 b3 ~@3 g1@5 g3 ~@14 d2 ~@4 [f#3,d4]@9 a3@17 ~@4, ~@19 a2@8 ~@5, ~@43 f#3@9 f#3@9 ~@3, ~@48 d3@13 ~@3]/2", // Bm G Csus2 D
  AI: "~@3 [f#2,c#4]@2 ~@9 [g2,g3,b3,d4]@18, ~@3 [f#3,a#3] ~@28", // F#5 G F#
})).s("gm_piano").gain(0.31)

// chords · piano
const piano_2 = note(`<
  ~@14 A B@5 C D E F@6 G@3 H@5 I@3 J@3 K L@2 M N O P@4 Q R@2 S T@6 U@2 V@7 W@2 X Y Z@2
>`.pickRestart({
  A: "~@16 [g4,b4,d5]@2 ~@3 [g4,b4,d5] ~@10", // G
  B: "[~@3 [g4,b4,d5] ~@4 [b4,d5] ~@4 [g4,c5,e5]@4 f#5 ~@2 [c5,e5,a5] ~@6 [b4,d5,g5]@12 [b4,d5,g5]@2 [c5,e5,a5] ~@4 [b4,g5] ~@4 [a4,c5,e5] ~@3 [a4,b4,d5] ~@5 [c5,e5]@19 [b4,d5,f#5]@20 [g4,a4,c5,e5]@39 d5@7 ~ d#5@2 d5@6 ~@5, ~@4 g4 ~@25 g5@10 ~@40]/5", // G Bm C Am G Am Em Am …
  C: "~@9 c5@4 ~ a#4@3 ~@2 [a#4,d5]@7 [c5,d#5]@2 [a#4,d5]@4", // A# Cm A#
  D: "~@11 [a4,c5] ~@4 [a#4,d5]@3 ~ c5 a4 ~ a#4 b4@7 ~, ~@23 g4@7 ~@2", // Am A#
  E: "~@12 [g4,b4,d5]@2 ~@3 [g4,b4] c5@2 ~@2 [g4,c5,e5] ~@4 f#5@3 [c5,e5,a5]@2, ~@17 d5@2 ~@13", // G C Am
  F: "[~@5 [b4,d5,g5]@12 ~ [b4,d5,g5]@2 [e5,a5]@2 ~@2 [b4,d5]@3 ~@2 [a4,c5]@3 ~@2 d5 ~@4 [g4,c5,e5]@19 ~ b4@18 ~ [g4,a4,e5]@39 [d4,d5]@8 d#4 [d4,d5]@4 ~@17 [c4,c5]@4 ~ [a#3,a#4]@3 ~ [d4,d5]@8 ~@2 d5@5 ~@9 [c4,c5]@2 ~@3 d4@4 ~ [c4,c5] ~, ~@20 c5 ~@3 g5@5 e5@5 b4@24 [d5,f#5]@19 c5@39 ~@9 d#5@2 ~@37 [d#4,d#5]@2 ~@19 d5@2 ~@5, ~@165 d4@5 ~@22]/6", // G A5 Bm Am C A7 D C …
  G: "[a#4 b3@32 [g4,c5]@5 e4@2 [f#4,a4,d5]@29 ~@3 a4@2 ~@3 f#4 ~ [e4,g4,c5]@13 [e4,c5] ~@3, ~ b4@35 ~@2 b4@31 ~@2 [f#4,d5]@2 ~@19 g4@2 ~@2]/3", // C5 D C D
  H: "[f#4 d5 ~@3 [g4,c5,e5] ~@4 [c5,d5,f#5] ~ [c5,e5,g5]@27 [c5,e5,g5]@3 [c5,e5]@2 d5@5 f5@4 f5@2 f5@4 ~@3 [g4,b4,d5]@30 [g4,b4,d5]@3 c5@2 b4 ~@2 [f#4,a4]@23 ~@9 [f#4,d5]@2 ~ c5@2 b4 ~ [e4,g4,c5]@20 ~, ~@42 g5 ~ f5 ~@8 d5 ~ d5 ~@44 d5@32 ~@28]/5", // C D7 C G F#m D C
  I: "[[c5,e5]@2 ~@3 [b4,d5,f#5] ~@2 g5@30 ~@2 f5@5 [a#4,d5] ~ [a#4,d5,f5]@2 [a#4,d5,f5]@2 ~ [d5,f5]@2 g5 ~@4 g4@25 g4@4 [g4,b4,d5]@3 c5@2 b4 ~@2, g4 ~@7 [c5,e5]@33 ~@10 a#4@3 ~@5 [b4,d5]@29 ~@8, ~@38 g5@4 ~@3 f5@2 ~@49]/3", // C Bm A# Dm G C Bm
  J: "[~@2 [f#4,a4,d5]@38 ~@5 c5@8 ~ c5@2 ~@26 a4@7 ~@2 f#4@3 ~@2, ~@53 d5@2 ~@4 b4@23 ~@8 g4@2 ~@4, ~@73 e5@9 ~@14, ~@78 d5@11 ~@7]/3", // D
  K: "g4@5 ~ b4@4 a4@3 ~@2 g4@8 g4@5 ~ g4@3",
  L: "[~@2 a4 ~@19 a5@4 d4@2 ~@8 d5@5 e5@2 ~ [b4,e5]@5 ~@2 e5@4 ~@5 e4@3 ~, ~@7 b4@20 ~@4 e5@10 ~@23, ~@6 a5@5 ~@21, ~@17 [g4,g5]@10 ~@17 a#4 ~@6 a4@2 ~@2 g4@8 ~]/2", // E5 G
  M: "~ d4@3 ~@28", N: "~@8 [g4,b4,d5]@5 [g4,b4,d5]@2 ~@13 [b4,d5]@2 ~@2, ~@28 g4 ~@3",
  O: "~ [g4,b4,d5]@4 ~ c5@2 ~@2 f#5@3 [c5,e5,a5] ~@6 [b4,d5,g5]@12, ~@6 e5 ~@25", // G Am G
  P: "[~ [b4,d5,g5]@2 [c5,e5,a5] ~@4 [b4,d5,g5] ~@3 [a4,e5] c5 ~@3 [b4,d5] ~@4 [c5,e5,g5]@21 [b4,d5,f#5]@19 ~ [a4,c5]@38 [g4,a#4,d5]@9 g4 [g4,a#4,d5]@5 ~@12, ~@31 e5@19 ~@14]/4", // G Am G A5 Bm C Bm Am …
  Q: "~@4 g4@4 a#4 ~@5 c#5@9 d5@5 ~@4, ~@3 c5@4 ~@6 [g4,a#4,d5]@10 d#5@2 ~@7", // Gm
  R: "[~@7 a4@2 ~@2 d5@2 ~@3 c5 a4 ~ b4@19 ~@2 [b4,d5] ~@4 [f4,g4,b4,d5] ~@4 e5 ~@4 b4@3 ~ [c5,e5,a5] ~@4, ~@6 c5@3 ~@10 g4@8 ~@13 g4@2 ~@3 a4@2 ~@3 [g4,c5]@8 ~@6, ~@27 [d5,f#5]@2 ~@3]/2", // Bm G7 Am C5 D
  S: "~ b4@12 [b4,d5,g5]@2 [c5,e5,a5] ~@4 [b4,d5,g5] ~@3 [a4,c5,e5] ~@4 [b4,d5] ~@2, [d5,g5]@13 ~@19", // G Am G Am Bm G5
  T: "[~@2 [g4,e5,g5]@20 [f#4,b4,d5,f#5]@20 [e4,a4,c5,e5]@40 [d4,d5]@6 ~@2 d#4 ~ d4@12 ~@8 c4@4 a#4@6 d4@7 d#4@2 [d4,d5]@15 [c4,c5]@2 ~@3 d4@4 ~ [c4,c5] ~ [b3,a4]@32 [b4,d5]@2, ~@90 d#5@14 ~@7 c5@5 a#3@10 ~@66, ~@92 d5@24 ~@6 d5@6 ~@22 d5@3 ~@5 b4 ~@33]/6", // C Bm Am D C B7 Bm
  U: "[~@2 b4 ~@2 [f#4,a4,d5]@32 [f#4,d5]@2 ~@2 b4 ~@2 g4@12 [e4,g4,c5]@3 ~@2 [b4,d5]@2 ~, ~ c5@2 ~@37 c5@2 ~ [e4,c5]@13 ~@8]/2", // D C Bm C
  V: "[~ [g4,e5] ~@4 [d5,f#5]@3 [c5,e5,g5]@27 [c5,e5,g5] ~ [c5,g5]@2 f5@2 ~@3 [a#4,f5]@2 ~@3 [a#4,d5,f5]@2 ~@2 g5@4 ~ g4@25 g4@4 [g4,b4,d5]@3 c5@2 b4 ~ [f#4,a4,d5]@27 [f#4,d5] ~@4 [f#4,c5]@2 c5@2 ~ b4 ~ [e4,g4,c5]@20 ~@2 [c5,e5]@5 [d5,f#5]@2 [c5,g5]@29 [c5,g5]@2 f5@2 ~@3 [a#4,d5,f5,f#5] ~ a#4 [d5,f5] ~ [a#4,d5,f5] ~ [a#4,d5,f5] ~ g5 ~@4 [g4,b4,d5]@6 ~@5, ~ c5@5 ~@34 d5 ~@4 d5 ~@6 [a#4,d5,f5]@6 ~ [b4,d5]@29 ~@39 d5 ~@28 g4 ~@6 e5@31 d5 ~@29]/7", // C D C C5 A#5 A# G D …
  W: "[~@15 g4 ~@3 d5@2 c5@2 b4 ~@2 [f#4,a4,d5]@30 ~@2 [a4,d5]@2 c5@2 ~ b4, ~@9 g4 ~@22]/2", // D D5
  X: "~@4 [a#4,c#5] ~@9 [g4,b4,d5]@18, ~@2 f#4 ~@13", // A#m G
  Y: "[f#5,a#5]@9 [g5,b5]@2 ~ e5 ~ [f#5,a5]@2 ~@3 [e5,g5]@2 [b4,d5] ~ e5@3 ~@2 [b4,d5] ~@3", // F# G F#m Em Bm
  Z: "[~@2 [c#5,a#5] f#5 ~@6 [g5,b5,d6]@42 ~@12]/2", // F# G
})).s("gm_piano").gain(0.36)

stack(piano, piano_2)