// Back to Your Heart — Backstreet Boys
// 90 bpm, 4/4, key D major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: pitch bends are ignored
// note: sustain pedal (CC 64) lengthens the held notes
// note: Full arrangement: all 101 bars on a 16-step grid, each part at one level; ghost notes are separate "_soft" parts. Source detail keeps the original performance.
setcpm(90/4)

// 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 · shamisen
const shamisen = note("<~@53 A@2 B@4 C@2 ~@17 D@2 E@4 F@2 D@2 E@4 F@2 ~@7>".pickRestart({
  A: "[d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2", // D5
  B: "[[d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4] a4 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4] a4 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2, ~@15 d4@16 e4@32 ~]/4", // D5 A5 D5
  C: "[[d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4]!2 [d4,a4]@2 [d4,a4] a4 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4]!2 [e4,a4]@2 [e4,a4]!2, ~@15 d4@17]/2", // D5 A5
  D: "[e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2", // E5
  E: "[[e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4] b4 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4] b4 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2, ~@15 e4@16 f#4@32 ~]/4", // E5 B5 E5
  F: "[[e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4]!2 [e4,b4]@2 [e4,b4] b4 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4]!2 [f#4,b4]@2 [f#4,b4]!2, ~@15 e4@17]/2", // E5 B5
})).s("gm_shamisen").gain(0.1).pan(0.6)

// bass · electric bass finger
const bass = note(`<
  ~@37 A B C D E B F G H I J K L M C N A O P Q R S T U V W X Y Z AA AB@2 AC ~@8 AD AE AF AG J AH AI AJ AD AE AF AG J AH
  AI AJ ~@7
>`.pickRestart({
  A: "d2@7 d2", B: "c#2@7 c#2", C: "c2", D: "a#1 a1", E: "d2@3 d3", F: "c2@7 c2", G: "a#1@4 a1@3 a1", H: "g1@7 g2",
  I: "f#2@7 d2", J: "e2", K: "f#2@7 f#1", L: "g1@6 ~ g2", M: "f#2@7 f#2", N: "a1@3 a2", O: "b1@7 f#1", P: "g1@7 b1",
  Q: "a1@5 f#2 a2@2", R: "d2", S: "b1@7 a1", T: "g1@6 ~ g1", U: "a1@5 ~ a2 ~, ~@5 a1@2 ~",
  V: "d1@5 ~ d1@2 e1@4 f#1@3 ~", W: "g1@2 ~ g1 ~ g1@2 a1", X: "f#1@2 ~ f#1@3 f#2@2", Y: "e2@3 e2!2 e2@3",
  Z: "f#2@5 f#1 d2@2", AA: "g1@7 g1", AB: "[f#1@7 g1@6 ~@2 a1]/2", AC: "a1@3 ~", AD: "e2@7 e2", AE: "c#2@7 g#1",
  AF: "a1@7 c#2", AG: "b1@5 g#2 b2@2", AH: "c#2@7 b1", AI: "a1@6 ~ a1", AJ: "b1@5 ~ b2 ~, ~@5 b1@2 ~",
})).s("gm_electric_bass_finger").gain(0.33).pan(0.4)

// chords · string ensemble 1
const string_ensemble_1 = note(`<
  ~@17 A B C B A D@2 E F@3 G H@3 I ~@12 A B C B A D@2 E F@3 G H@3 I ~ J@4 K@3 L ~@7 M N@8 O@4 P@3 Q ~@7
>`.pickRestart({
  A: "g2", B: "f#2", C: "e2", D: "[f#2@15 e2@16 ~]/2", E: "~@8 [e3,a3]@5 ~@3, a2@7 ~",
  F: "[~ b3 [g3,a3], d4@7 ~, f#3@2 ~]/3", G: "[e3,a3,d4]", H: "[a3 b3 [g3,a3], d4@19 ~@5, f#3@2 ~]/3",
  I: "d4@4 c#4@3 ~, [e3,a3]@7 ~", J: "[g3@2 f#3@2 g3@2 a3 [a3,a4], d4@13 ~@3, a3@23 ~@9]/4",
  K: "[a4 ~ a4 ~ a4@3 g4 a4 ~ a4 ~@5 [a3,e4]@8, d4@7 ~, g3 f#3 ~, ~ a4]/3", L: "[a2,c#3,e3,a3,c#4]@3 ~",
  M: "~@12 e5@2 [f#5,g#5] a5", // F#sus2
  N: "[~@16 c#4@16 [a3,b3]@16 ~@15 a5 b3@16 c#4@16 [a3,b3]@16 e4@8 ~@4 e5@2 f#5 [g#5,a5], b5@60 e5@3 g#5@2 ~@63, e4@21 ~@10 f#5 b5@30 ~@2, g#3@16 ~@8 [f#3,b3,e4]@8 e4@19 ~@9 d#4@3 ~, ~@32 g#3@16 ~@8 [f#3,b3]@7 ~]/8", // Asus2 Amaj7 Esus2 B5
  O: "[b5@16 ~@12 d#6@4 [a3,b3]@16 ~@12 e5@3 [f#5,g#5], e4@21 ~@11, g#3@2 ~ [f#3,b3,e4], ~ [c#4,e6] b5@2]/4", // Asus2 F#sus2 Esus2 C#m
  P: "[a5 ~@13 e6@2 ~@4 b5@12 [a3,b3,c#6]@16, e4@19 ~@5, g#3@2 ~, [b3,b5] [c#4,d#6] ~]/3", // A B C#sus2
  Q: "e4@4 d#4@3 ~, [f#3,b3,b5]@7 ~", // B5
})).s("gm_string_ensemble_1").gain(0.15).pan(0.4)

// chords · acoustic guitar steel
const acoustic_guitar_steel = note(`<
  ~ A B C@3 B D E F@2 G H F@2 G H I J@2 K L M N O P@3 Q R@4 A B D E F@2 G H F@2 G H I J@2 K L M N O P@3 Q R@4 S T@3 U V
  W X Y P@3 Q Z@4 AA@3 AB AC@4 AA@3 AB AC@4 AD AE AF AG AH@3
>`.pickRestart({
  A: "~@5 d5!3, d3 f#4, ~ a3@7, ~ d4@3, ~@3 e4@5", B: "~@3 c#5@2 c#5!3, [f#3,d5], ~ e4@7, ~ a#4@3",
  C: "[~@5 a4 a4@2 ~@13 d5!3, [b3,c#5]@13 g4 f#4 d4@3 d4@2 f#4@4, ~ f#4@7 a4 d4 g4 a4@5 ~ a3@7, ~@2 a4@3 ~@3 g3@8 d3@8, ~@3 b4@13 ~@3 e4@5]/3", // Bsus2
  D: "~@5 a4!3, [b3,c#5], ~ f#4@7, ~@2 a4@3 ~@3, ~@3 b4@5", // Bsus2
  E: "~@12 a3@3 ~, [g3,a4]@15 ~, ~@2 a3@8 f#4@5 ~, ~@4 b3@11 ~, ~@6 g4@9 ~", // Gsus2
  F: "[~@7 a3 ~@7 e4, d3@6 a4@3 ~@3 a4@4, ~ a3@4 f#4@3 c#3@8, ~@4 d4@13 ~ a3@4 a3@10, ~@6 e4@11 ~@3 e4@10 ~@2]/2",
  G: "~@3 c4, c3, ~ a3@2 a3@5, ~ c4@2 ~, ~ a4",
  H: "~@3 g4 ~@2 c#4 g4, a#2@8 [a2,g4]@7 ~, g4@3 ~@5, d4!2 ~@2, ~@2 a#3@6 ~@2 a3@5 ~", // A7
  I: "~@2 d4 ~@4 a3, d3, g3@3 g3, ~ a3@4 a3@2 ~, ~@3 d4@5",
  J: "[~@2 d4 ~@12 [e2,a3], f#3@3 f#3 e3@4, ~ a3@4 a3@2 a3@3 a3@3 a3@2 ~, ~@3 d4@5 ~ g3@5 g3@2, ~@11 d4@5]/2", // A5
  K: "~@7 a3, f#2, f#3@3 f#3, ~ a3@4 a3@2 ~, ~ d4@3", L: "~@2 d4 ~@4 a3, g2, g3@2 g3@3 a3 g3@2, ~ d3@7, ~ a3@2 d4@5",
  M: "~@2 d4 ~@4 a3, f#2, f#3@3 d4@5, ~ d3@7, ~ a3@2 f#3@2 a3 f#3@2",
  N: "e3 ~@6 c4, c3, c4@3 e4@5, g3@2 g3@3 c4 g3@2, ~ e3@7",
  O: "~@6 [c#4,e4] ~, d4@4 e4 e3@2 ~, a2@4 a2@3 ~, ~ a3@2 a3@4 ~, ~@2 g3@5 ~", // C#m
  P: "[~@13 [g3,e4]@2 ~@3 g3 [g3,d4]@5, d3@7 d4@4 ~@4 d4@4 ~@5, ~ f#3@7 b2@7 g3@2 d3@7, ~@4 a3@12 ~@2 f#3@4 [f#3,d4]@9 ~ g2@16, ~@3 d4@2 e4@3 ~@2 a3@5 a3@9]/3", // C G5 D
  Q: "~@3 a3@4 a3, a2, ~ e3@7, ~ g3@3",
  R: "[~ f#3 [f#3,d4] ~@4 f#3 ~ f#3 [f#3,d4] ~@12 g3 ~@6 e3 ~, d3@8 b2@8 g2@8 a2@5 a3@2 ~, ~@3 [f#3,d4]@4 d4@3 ~ d4@4 d4@4 d4@12 ~, ~@5 [g3,e4]@3 ~@3 f#3@5 ~ g3@6 ~@2 g3@6 ~, ~@13 e4@3 ~@2 a3@3 a3@3 ~@2 a3 c#4@4 ~]/4", // D C
  S: "f#3@2 f#3@2 ~@6 [a3,f#4]@2 [a3,d4,f#4]@3 ~, d3@15 ~, d4@4 f#3@11 ~, ~ d4@2 ~, ~@6 [g3,e4]@9 ~", // D C
  T: "[~@23 a3, g3@6 f#4 d4@3 d4@3 g4 f#4 d4@3 b3@4 d4@2, d4@2 d4@3 g4@3 ~ a3@7 a3@3 d4@2 e4@3, ~ b3@7 [d3,f#3]@8 e3@8, ~@3 a4@5 ~@3 a4@5 ~ g3@7]/3", // D
  U: "[a3,e4]@2 a3 a3@2 [a3,f#4] ~ d4, f#3, ~ e4@3, ~@3 d4@4 ~, ~@3 [a3,f#4]", // A5 D
  V: "[b3,d4,f#4] ~@13 e4@2, g3@3 b3, ~ b3@2 g4@5, ~ a4@3, ~@3 b3@2 d4@3", // Bm
  W: "a3 ~ a3@2 a3@2 ~@8 d4@2, f#3, f#4@3 f#4@5, ~ a4@3, ~@3 a3@2 d4 a3@2",
  X: "[a3,e4] ~@3 e4@2 ~@4 d4@2 ~@2 e4@2, e3, d4@5 ~ d4@2, ~ a3@2 a3@5, ~@3 e4@4 ~", Y: "[a2,e3,a3,c#4,e4,a4]@7 ~",
  Z: "[~@2 f#3@2 [f#3,d4]@2 ~@8 f#3@2 ~@2 f#3@2 [f#3,d4]@2 ~@24 g3@2 ~@10 a3@5 ~, d3@16 b2@16 g2@16 a2@15 ~, ~@6 [f#3,d4]@8 d4@6 ~@2 d4@8 d4@8 d4@25 ~, ~@10 [g3,e4]@6 ~@6 f#3@10 ~@2 g3@12 ~@4 g3@13 ~, ~@26 e4@6 ~@4 a3@6 a3@6 ~@4 a3@2 c#4@9 ~]/4", // D C
  AA: "[~@13 [a3,f#4]@2 ~@3 a3 [a3,e4]@5, e3@7 e4@4 ~@4 e4@4 ~@5, ~ g#3@7 c#3@7 a3@2 e3@7, ~@4 b3@12 ~@2 g#3@4 [g#3,e4]@9 ~ a2@16, ~@3 e4@2 f#4@3 ~@2 b3@5 b3@9]/3", // D A5 C#m
  AB: "~@3 b3@4 b3, b2, ~ f#3@7, ~ a3@3",
  AC: "[~ g#3 [g#3,e4] ~@4 g#3 ~ g#3 [g#3,e4] ~@12 a3 ~@6 f#3 ~, e3@8 c#3@8 a2@8 b2@5 b3@2 ~, ~@3 [g#3,e4]@4 e4@3 ~ e4@4 e4@4 e4@12 ~, ~@5 [a3,f#4]@3 ~@3 g#3@5 ~ a3@6 ~@2 a3@6 ~, ~@13 f#4@3 ~@2 b3@3 b3@3 ~@2 b3 d#4@4 ~]/4", // C#m D
  AD: "~@5 e5!3, e3 g#4, ~ b3@7, ~ e4@3, ~@3 f#4@5", AE: "~@3 d#5@2 d#5!3, [g#3,e5], ~ f#4@7, ~ c5@3",
  AF: "~@5 b4!3, [c#4,d#5], ~ g#4@7, ~@2 b4@3 ~@3, ~@3 c#5@5", // C#sus2
  AG: "~@12 b3@3 ~, [a3,b4]@15 ~, ~@2 b3@8 g#4@5 ~, ~@4 c#4@11 ~, ~@6 a4@9 ~", // Asus2
  AH: "[~ e4@4 ~, [e2,b2,e3]@2 ~, ~ f#3@16 ~@7, ~ g#3@8 ~@3, ~@3 b3@16 ~@5]/3", // E5
})).s("gm_acoustic_guitar_steel").gain(0.12).pan(0.4)

// chords · acoustic guitar steel
const acoustic_guitar_steel_2 = note(`<
  ~ A@2 B C D@3 E F@2 G H F@2 G H I J K L M N O P Q@4 R S T@2 D@3 U F@2 G H F@2 G H I J K L M N O V@5 R S T@2 W X Y Z
  AA@2 AB AC AD Q@4 R S T@2 AE@4 AF AG AH@2 AE@4 AF AG AH@2 AI@3 AJ AK@3
>`.pickRestart({
  A: "[~@6 f#5!2 ~@3 a#4@2 a#4!3, f#3@4 f#4@4 f#5@3 f#3@5, ~ a3@15, ~ d4@7, ~@3 e4@13]/2",
  B: "~@5 a3!3, b4, b3@3 b3@5, ~ f#4@7, ~ d4@3", C: "~@7 a3, g2@5 a3 e4@2, ~ d3@7, ~ g3@3, ~ d4",
  D: "[~@5 f#4!3 f#3@3 e4@2 e4!2 e4@4 ~@4 b3, d3@11 f#3@8 [b2,d4]@5, f#4@3 d4@16 ~@3 a3@2, ~ f#3@3 e4@4 f#4@11 ~@5, ~@2 a3@11 a#3@6 ~@2 f#3@3]/3", // Bm
  E: "~@6 a3 ~, g2@3 a3@2 b3@2 ~, b3@3 d4@4 ~, ~ d3@6 ~, ~@2 g3@5 ~",
  F: "[~@7 a3 ~@7 e4, d3@6 a4@3 ~@3 a4@4, ~ a3@4 f#4@3 c#3@8, ~@4 d4@13 ~ a3@4 a3@10, ~@6 e4@11 ~@3 e4@10 ~@2]/2",
  G: "~@3 c4, c3, ~ a3@2 a3@5, ~ c4@2 ~, ~ a4",
  H: "~@3 g4 ~@2 c#4 g4, a#2@8 [a2,g4]@7 ~, g4@3 ~@5, d4!2 ~@2, ~@2 a#3@6 ~@2 a3@5 ~", // A7
  I: "~@7 d4, d4@2 d4@3 d4@2 ~, ~ b3@5 b3@2, ~@3 g4@5", J: "~@7 a3, e4, ~ a3@6 ~, ~ f#4@3, ~@3 [f#3,d4]@5",
  K: "~@7 d4, [e3,g3], ~ a3@5 a3@2, ~@2 d4@3 d4@2 ~, ~@3 e4@5", // Em
  L: "~@7 a4, [f#3,f#4], ~ a3@5 a3@2, ~@2 d4@3 d4@3, ~@3 e4@5", M: "~@5 d4!3, g4, ~ d4@4 ~@3, ~ a3@3, ~@3 b3@5",
  N: "~@3 d4, [f#3,e4], ~ a3@4 a3@3, ~ f#4@3, ~@3 d4@3 ~@2", O: "~@5 e4 e4@2, e4@5 ~@3, ~ g3@7, ~ c4@3, ~@3 d4@5",
  P: "~@8 e4@5 ~@3, g4@13 ~@3, ~@4 f#4@9 ~@3",
  Q: "[~@7 a3 ~@10 d4 ~@4 a3 ~@2 [g3,e4] ~@4 d4, f#3@15 d4@3 ~ d4@8 d4@4 ~, ~ a3@6 ~ a3@2 a3@6 g3@8 [a3,f#4]@3 f#3@5, ~@2 d4@7 d4@4 f#4@3 ~@5 e4@5 ~@6, ~@3 f#4@8 e4@5 ~ b3@10 ~@2 [e3,c#4]@3]/4", // C D C#m
  R: "~@7 a3, f#3, ~ a3@6 ~, ~@3 e4@5", S: "~@5 d4@2 d4, f#3, ~ a3@7, ~@2 d4@3 ~@3, ~@3 e4@5",
  T: "[~@2 d4 ~@2 e4@2 ~@2 [g3,e4]@2 [f#3,d4]@2 [e3,c#4] ~@2, g3@7 ~@9, ~ a3@2 [a3,d4]@4 [a3,f#4]@4 ~@5]/2", // C D C#m D5 D
  U: "~@6 a3 ~, g2@3 a3@2 b3@2 ~, b3@3 [d4,b4]@4 ~, ~ d3@6 ~, ~@2 g3@5 ~", // G
  V: "[~@15 a3 ~@10 d4 ~@4 a3 ~@2 [g3,e4] ~@4 d4, g4@11 f#4@8 e4@4 d4@3 ~ d4@8 d4@4 ~, ~@2 f#4@7 a3 d4@6 a3 d4@4 f#4@3 ~@5 e4@3 [a3,f#4]@3 ~@2 [e3,c#4]@3, ~@4 e4@14 a3@6 ~ b3@10 ~@5, ~@8 f#3@16 g3@10 ~ f#3@5]/5", // C D C#m
  W: "~@6 a4 ~, d4@5 f#4@2 ~, ~ a3@6 ~, ~@2 e3@5 ~, ~@3 [f#3,e4]@4 ~", // F#7
  X: "~@2 d4 ~@2 e4 e4@2, [d3,a3], ~ g3@7, ~@3 d4@5", Y: "~@7 f#3, f#4@3 g3, f#3@5 a3@3, ~ e4@3, ~@3 d4@5",
  Z: "~@2 d4 ~@2 [g3,e4]!2 g3, e3@15 ~, g3@5 ~@3, ~@2 a3@13 ~, ~@6 d4@9 ~", // C
  AA: "[~@2 [f#3,d4] ~@3 d4 ~@8 d4, [g3,e4]@3 [g3,e4]@8 d4@2 a3@3, ~@7 d4@3 f#4@6, ~ a4, ~@9 g4@7]/2", // D C
  AB: "~@7 f#4, a4, ~ g4@7, ~ f#4@2 d4, ~@3 d4@2 e4@3", AC: "e4@3 ~@4 b3, a3, ~@3 e4@5, ~@5 d4@3, ~@3 c#4",
  AD: "~@6 c#4 ~, [a2,a3]@7 ~, ~@10 e3@5 ~", // A
  AE: "[~@7 b3 ~@10 e4 ~@4 b3 ~@2 [a3,f#4] ~@4 e4, g#3@15 e4@3 ~ e4@8 e4@4 ~, ~ b3@6 ~ b3@2 b3@6 a3@8 [b3,g#4]@3 g#3@5, ~@2 e4@7 e4@4 g#4@3 ~@5 f#4@5 ~@6, ~@3 g#4@8 f#4@5 ~ c#4@10 ~@2 [f#3,d#4]@3]/4", // D E D#m
  AF: "~@7 b3, g#3, ~ b3@6 ~, ~@3 f#4@5", AG: "~@5 e4@2 e4, g#3, ~ b3@7, ~@2 e4@3 ~@3, ~@3 f#4@5",
  AH: "[~@2 e4 ~@2 f#4@2 ~@2 [a3,f#4]@2 [g#3,e4]@2 [f#3,d#4] ~@2, a3@7 ~@9, ~ b3@2 [b3,e4]@4 [b3,g#4]@4 ~@5]/2", // D C#m D#m E5 E
  AI: "[~@5 g#4!3 g#3@3 f#4@2 f#4!2 f#4@4 ~@4 c#4, e3@11 g#3@8 [c#3,e4]@5, g#4@3 e4@16 ~@3 b3@2, ~ g#3@3 f#4@4 g#4@11 ~@5, ~@2 b3@11 c4@6 ~@2 g#3@3]/3", // C#m
  AJ: "~@6 b3 ~, a2@3 b3@2 c#4@2 ~, c#4@3 [e4,c#5]@4 ~, ~ e3@6 ~, ~@2 a3@5 ~", // C#m
  AK: "[~ g#4@8 ~@3, [g#3,e4]@2 ~, ~ f#4@16 ~@7]/3", // C#m
})).s("gm_acoustic_guitar_steel").gain(0.1).pan(0.7)

// other · lead 1 square · "*°*°DEMOFILE*°*°"
const lead_1_square = note("<~@5 A B@2 C ~@24 A B@2 C ~@57 D E@2 F ~@3>".pickRestart({
  A: "d5", B: "[f#5@6 e5@16 d5@8 c#5 [c#5,d5]]/2", C: "b4@3 a4@4 ~", D: "e5", E: "[g#5@6 f#5@16 e5@8 d#5 [d#5,e5]]/2",
  F: "c#5@3 b4@4 ~",
})).s("gm_lead_1_square").gain(0.08).pan(0.7)

// chords · synth strings 1
const synth_strings_1 = note("<~@30 A@3 ~@4 B@7 C@8 D@4 E@5 ~ F@5 G@2 H ~@9 I@2 J@5 ~ I@2 J@5 ~@7>".pickRestart({
  A: "[a4@7 ~]/3",
  B: "[[d4,f#4]@16 c#4@15 ~ c4@15 ~ d4@7 e4@8 [f#3,d4]@16 c#4@16 ~ c4@16, a3@47 a#3@8 a3@24 ~@33, ~@16 e4@32 ~@31 e4@33]/7", // D
  C: "[[a#3,d4]@7 [a3,e4]@6 ~@2 [g3,b3,d4,g4]@15 ~ [f#3,a3,f#4]@15 ~ [e3,b3]@14 ~@2 [f#3,a3]@13 ~@3 g3@14 ~@2 [f#3,a3,f#4]@11 ~@6 e4@12 ~@3 [a3,e4,a4], ~@47 d4@59 ~@5 [g3,c4,d4]@13 ~@4, ~@76 a4@17 ~ g4@2 ~@32]/8", // A# A5 G F#m E5 F#m A5 Gsus4
  D: "[d4@10 ~@5 [a3,f#4]@17 ~@15 g3@13 ~@4, ~@15 d4@44 ~@5, ~@8 b3@7 ~]/4", // D
  E: "[a4@14 ~ f#3@16 ~ [b3,a4]@15 ~@25 c#4@7 ~, d4@71 ~@9, [a3,e4]@15 f#4@32 e4@31 ~@2, ~@14 g4@2 ~@31 g3@16 ~ a3@15 ~, ~@48 a4@31 ~]/5", // B7 A5
  F: "[g3@16 a3@16 b3@9 ~@2 [g3,e4]@13 ~@7 [g3,a3,b3,d4]@11 ~@6, d4@41 ~@39]/5", // C G
  G: "[~@12 f#4@3 e4@11 ~@6, [d4,a4]@13 ~@3, a3@15 ~@17]/2", H: "a5@3 ~", I: "[~@15 a3@13 ~@4, c#4@7 ~]/2",
  J: "[b4@14 ~ g#3@16 ~ [c#4,b4]@15 ~@25 d#4@7 ~, e4@71 ~@9, [b3,f#4]@15 g#4@32 f#4@31 ~@2, ~@14 a4@2 ~@31 a3@16 ~ b3@15 ~, ~@48 b4@31 ~]/5", // C#7 B5
})).s("gm_synth_strings_1").gain(0.07).pan(0.7)

// drums · kick
const kick = s("bd").struct("<~@25 A@8 B ~@3 A@32 B ~@8 A@16 B ~@6>".pickRestart({
  A: "x ~@2 x ~@3 x", B: "x",
})).gain(0.2).pan(0.4)

// drums · kick · soft notes
const kick_soft = s("bd").struct("<~@25 [~@5 x ~@2]!8 ~@4 [~@5 x ~@2]!32 ~@9 [~@5 x ~@2]!16 ~@7>").gain(0.1).pan(0.4)

// drums · rim
const rim = s("rim").struct("<~@25 [~ x ~@2]!8 ~@4 [~ x ~@2]!32 ~@9 [~ x ~@2]!16 ~@7>").gain(0.4).pan(0.4)

// drums · low tom
const low_tom = s("lt").struct("<~@52 [~@3 x] ~@15 [~@3 x] ~@16 [~@7 x] x ~@14>").gain(0.3).pan(0.4)

// drums · hihat
const hihat = s("hh").struct(`<
  A ~@24 B C B C B C B C ~@4 B C B C B C B C B C B C B C B C B C B C B C B C B C B C B C B C ~@9 B C B C B C B C B C B C
  B C B C ~@7
>`.pickRestart({
  A: "x!4", B: "x ~ x!3 ~ x!2", C: "x ~ x!6",
})).gain(0.15).pan(0.4)

// drums · hihat · soft notes
const hihat_soft = s("hh").struct(`<
  ~@25 A ~ A ~ A ~ A ~@5 A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~ A ~@10 A ~ A ~ A ~ A ~ A ~ A ~ A ~
  A ~@8
>`.pickRestart({
  A: "~@5 x ~@2",
})).gain(0.1).pan(0.4)

// drums · mid tom
const mid_tom = s("mt").struct("<~@52 [~@5 x ~@2] ~@32 [~@5 x!3] ~@15>").gain(0.35).pan(0.4)

// drums · open hat
const open_hat = s("oh").struct("<~@25 [~ x ~@6]!8 ~@4 [~ x ~@6]!32 ~@9 [~ x ~@6]!16 ~@7>").gain(0.2).pan(0.4)

// drums · crash
const crash = s("cr").struct("<~@25 A ~@7 A ~@3 A ~@15 A ~@7 B A ~@6 A ~@8 A ~@7 A ~@7 A ~@6>".pickRestart({
  A: "x", B: "~@7 x",
})).gain(0.2).pan(0.4)

// drums · shaker
const shaker = s("sh").struct(`<
  ~@53 A B A C B D A E A B A C B D A E ~@9 A B A C B D A@3 B A C B D A E ~@7
>`.pickRestart({
  A: "x!8", B: "x ~ x ~ x ~ x ~ x ~ x ~ x ~ x!2", C: "x ~ x ~ x ~ x!5 ~ x ~ x ~", D: "x!3 ~ x ~ x ~ x ~ x ~ x ~ x ~",
  E: "x ~ x ~ x ~ x!7 ~ x ~",
})).gain(0.2).pan(0.4)

stack(
  shamisen, bass, string_ensemble_1, acoustic_guitar_steel, acoustic_guitar_steel_2, lead_1_square, synth_strings_1,
  kick, kick_soft, rim, low_tom, hihat, hihat_soft, mid_tom, open_hat, crash, shaker
)