// Rhythm of the Rain — Cascades
// 120 bpm, 4/4, key E 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 72 bars on a 16-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 · "Ac Piano"
const piano = note(`<
  ~ A B C D E F G@2 H I J@2 E F G@2 H I J@2 K L M N@2 O P Q E F G@2 H I J@2 E F G@2 H I J@2 K L M N@2 O P Q E F G@2 H I
  R S A B A B A B A B T@2 ~
>`.pickRestart({
  A: "e4@2 b4 [e5,g#5] b5 ~ e6@2 b5@2 g#5@2 e5@2 g#5 ~", // E
  B: "~@3 g#5 c#6@2 e6@2 c#6@2 g#5@2 e5@2 g#5 ~, c#4@13 ~@3, ~@2 g#4@11 ~@3, ~@3 e5@2 ~@11",
  C: "~@3 g#5 b5@2 e6@2 b5@2 g#5@2 e5@2 g#5 ~, e4@3 ~, ~ b4@5 ~@2, ~@3 e5@2 ~@11",
  D: "~@6 d#5@2 ~@4 d#5@2 b4 ~, b3, ~@2 f#4@13 ~, ~@4 b4@6 f#5@5 ~, ~@8 b5@7 ~",
  E: "g#4 [b3,g#4,b4] b3!3 [b3,f#4] ~ e4, [c#4,c#5]@3 [b3,f#4], e3@3 e3@5, ~ b4@3, ~ g#4 g#4@2", // E B5 C# B5
  F: "~@2 e4 ~@4 c#4, [a2,f#4], e3@4 e3 a3@3, c#4@3 e4@5, ~@3 c#4@3 e3@2", // D
  G: "[~ b3 [b3,f#4,b4]@2 [b3,b4]@2 b3@2 b3@2 ~@6 b3 ~@11 b2@2 [b2,c#4]@2, ~@2 f#4@3 [b3,f#4]@3 b2@4 b2@2 ~@2, ~@3 e4@5 f#4@5 ~@3, ~@3 b4@4 b4@3 d#4@3 [d#4,f#4]@3, ~@6 g#4@2 ~ a3@2 [a3,b4]@5]/2", // B5 B Bsus2 B5 D#m Asus2
  H: "~ b3 ~@3 f#4 ~ e4, [c#4,c#5]@3 f#4, e3@2 b3 e3@5, e4 b4@3, ~ e4 [b3,g#4]@2", // C# E
  I: "~@2 e4 a3 ~@3 g#3, f#4, a2@9 a3@3 a2@4, e3!2, c#4@3 [c#4,e4]@5", // C#m
  J: "[~@6 f#4@2 b3 ~@4 e4 a3@2 ~@6 e3@8 e3 ~, [e3,g#3,b3]@4 b2@4 e3@3 ~@5, e4@4 e4@4 a3@6 e4@17 ~, ~@2 f#4@4 ~@4 d#4@6 ~@2 g#3@13 ~, ~@20 b3@11 ~]/2", // E
  K: "~@7 a3, a2, ~@2 a3@7 ~ a3@4 ~@2, ~@2 c#4@3 ~ c#4@2, ~@3 e4@5",
  L: "~@7 b3, g#2, ~@2 b3@7 ~ b3@4 ~@2, ~ d#4@2 d#4, ~@3 g#4@5",
  M: "~@5 a3 c#4 a3, f#2@7 ~, ~@2 a3@7 ~@7, ~@4 c#4@7 ~@5, ~@3 f#4@5",
  N: "[~@5 g#3 ~ g#3 ~@5 g#3 ~ g#3, e2@15 ~@7 e4@10, ~@2 g#3@7 ~@7 c#3@7 ~ c#3@8, ~@4 b3@7 ~ b3@4 ~@2 g#3@7 ~@7, ~@3 e4@6 ~ c#4@3 ~ c#4@2]/2",
  O: "~ [a3,c#4]@2 a3 d#4@2 ~ [d#4,f#4], f#2 b2, ~@2 f#4@11 ~@3, ~@8 a3@3 ~ a3@4", // A D#m
  P: "~@4 [b3,e4]@2 ~@4 g#3@4 g#3 ~, e3@5 ~ e3@5 ~@5, ~@2 g#3@5 ~ [b3,e4]@8", // E5
  Q: "[a3,b3] ~ a3@2 [b3,d#4]@2 a3 ~ [a3,b3] ~ [a3,b3,d#4]@5 ~, ~@2 b3 ~ a3 ~@3 d#4@2 ~@6", // Asus2 B Asus2 B7
  R: "~@6 f#4@2 b3 ~@4 e4 [a3,e4]@2, [e3,g#3,b3] b2, e4@2 e4@2 a3@3 ~, ~ f#4@2 ~@2 d#4@3", // A5 E
  S: "~@12 f#4@2 g#4 ~, e4@8 b3@2 e4@5 ~, ~@2 e3@13 ~, ~@4 f#3@11 ~, ~@6 g#3@9 ~",
  T: "[~@3 [b5,e6]@29, e5, ~ g#5@30 ~]/2", // E5
})).s("gm_piano").gain(0.32).pan(0.2)

// bass · fretless bass · "El Bass"
const bass = note(`<
  ~ A B C D E F G D G H I J E F G D G H I K L M N O P Q R S E F G D G H I J E F G D G H I K L M N O P Q R S E F G D G H
  I T A B A B A B A B U@3
>`.pickRestart({
  A: "e2@5 ~ e2 ~ b1@4 e2@3 ~", B: "c#2@5 ~ c#2 ~ g#1@4 c#2@3 ~", C: "e2@5 ~ e2 ~ b1@3 ~ e2@4",
  D: "b1@5 ~ b1@2 f#2@4 b1@4", E: "e2@5 ~ e2@2 b1@3 ~ e2@4", F: "a1@5 ~ a1@2 c#2@3 ~ e2@2 c#2 ~",
  G: "e2@5 ~ e2@2 b1@4 e2@4", H: "a1@5 ~ a1@2 c#2@4 e2@2 c#2@2", I: "e2@5 ~ e2@2 b1@5 ~ b1@2",
  J: "e2@5 ~ e2@2 b1@4 b1@3 ~", K: "e2@5 ~ e2@2 f#1@4 g#1@3 ~", L: "a1@5 ~ a1 ~ a1@4 ~@2 a2@2",
  M: "g#2@5 ~ g#2@7 ~ g#2@2", N: "f#2@5 ~ f#2@7 ~ f#2@2", O: "e2@5 ~ e2@8 b1@2", P: "c#2@5 ~ c#2 ~ g#2@4 c#2@3 ~",
  Q: "f#2@5 ~ f#2@2 b1@3 ~ b1@4", R: "e2@5 ~ e2@6 g#1@2 a1@2", S: "b1@5 ~ b1 ~ b1@3 ~ b1@3 ~",
  T: "e2@5 ~ e2 ~ b1@4 c#2@2 b1 ~", U: "[e1@19 ~@5]/3",
})).s("gm_fretless_bass").gain(0.52)

// other · glockenspiel · "Bell"
const glockenspiel = note(`<
  ~@29 A B C D A E F ~ A B C D A E F ~ G H I J K L M N A B C D A E F ~ O P Q R S T U V D ~@2
>`.pickRestart({
  A: "c#6 ~ b5 ~ b5 ~ g#5 ~ g#5 ~ f#5 ~ f#5 ~ e5 ~", B: "f#5 ~@3 e5 ~ e5 ~@9",
  C: "c#6 ~ b5 ~ b5 ~ g#5 ~ g#5 ~ f#5 ~ g#5 ~ b5 ~", D: "b5 ~@15", E: "f#5 ~@3 e5 ~ e5 ~@7 c#5 ~",
  F: "e5 ~ f#5 ~ e5 ~ f#5 ~ c#5 ~ d#5 ~@3 e5 ~", G: "c#6 ~@3 c#6 ~@3 c#6 ~@3 c#6 ~ e6 ~",
  H: "d#6 ~ b5 ~@3 b5 ~@7 g#5 ~", I: "a5 ~@3 a5 ~@3 a5 ~ g#5 ~ a5 ~ c#6 ~", J: "b5 ~ g#5 ~@3 g#5 ~@7 b4 ~",
  K: "e5 ~@3 e5 ~@3 e5 ~ d#5 ~ e5 ~ g#5 ~", L: "f#5 ~ e5 ~@3 c#5 ~@3 b4 ~@3 c#5 ~", M: "e5 ~@15", N: "b5 ~@7 b6 ~@7",
  O: "c#6 ~ b5 ~@11 g#5 ~", P: "f#5 ~ e5 ~@7 g#5 ~ b5 ~ g#5 ~", Q: "c#6 ~ b5 ~@9 g#5 ~ f#5 ~", R: "e5 ~@11 g#5 ~ b5 ~",
  S: "c#6 ~@3 b5 ~@7 g#5 ~ f#5 ~", T: "e5 ~@7 f#5 ~ e5 ~ c#5 ~ e5 ~", U: "~@8 g#5 ~@3 f#5 ~ e5 ~",
  V: "~@8 f#5 ~ e5 ~ f#5 ~ g#5 ~",
})).s("gm_glockenspiel").gain(0.17)

// chords · acoustic guitar steel · "Guitar"
const acoustic_guitar_steel = note(`<
  ~ A B C D E F G H I J K@2 E F G H I J L@2 M N O P@2 Q R S E F G H I J K@2 E F G H I J L@2 M N O P@2 Q R S E F G H I J
  T@3 B U B U B U B V@3
>`.pickRestart({
  A: "g#3 [e3,g#3]!7, e2!2, b2@3 b2@2 b2@3, e3 ~@15", B: "e3!2 [e3,g#3]!4 e3 [b2,e3], c#3@3 c#3@3 [c#3,g#3]@2, g#3 ~@3",
  C: "[e3,g#3] e3!2 [b2,e3]!2 [e3,g#3] ~ b2, e2!2, b2@3 ~@2 b2@2 ~, ~ g#3@2 g#3@2 ~ [e3,g#3]@2, ~ b3@3", // E E5 E
  D: "[d#3,a3,b3]!3 [b2,d#3] d#3!2 b2!2, b2@3 b3@3 ~@2, ~@3 a3@2 a3@3, ~@2 b2 [d#3,b3]", // B7 B G#m
  E: "e3!2 [b2,e3,g#3] [b2,e3] ~@3 g#3, [e2,b3]@3 [e2,b3]@3 [e2,b2,e3,b3]@2, [b2,g#3]@2 ~ g#3@2 g#3@2 ~, ~@2 [b2,e3] ~", // E E5 E E5
  F: "e3!3 [a2,e3] e3!3 [e3,a3], [a2,c#4]@3 c#4@3 c#4@2, ~@2 a3@3 a3@2 ~, ~ a2", // A5 A
  G: "~@2 e3 [b2,e3] e3!2 [e3,b3]@2, e2 [e2,b2], [b2,b3]@3 ~@5, e3@2 ~ b3@3 ~@2, ~ g#3@7", // E5 B
  H: "d#3!3 ~@3 [b2,b3,c4]@2, [b2,b3]@3 [b2,b3]@3 ~@2, ~ a3@3, ~@3 d#3@2 d#3@3, ~ f#4", // Cmaj7 B
  I: "g#3 ~@3 e3@2 ~@8 e3@2, [e2,b2,b3]@3 e3@2 e3@2 ~, e3@2 ~ b2@3 ~@2, ~ g#3@2 b3@5, ~@2 e2 [e2,b2,g#3]", // E5 E
  J: "e3 ~@2 e3!3 ~ a3, [a2,c#4]@3 a2@5, ~ e3@2 c#4@3 [e3,c#4]@2, ~@2 a3@3 a3@2 ~", // A C#m
  K: "[~@3 [e2,b3] d#3!2 [d#3,a3] ~@2 e3!4 [e3,b3] ~ e3, b2@8 [b2,b3]@6 b2@15 ~@3, [e2,b3]@6 ~@10 e2@13 ~@3, e3@2 e3@2 ~@3 e3@2 ~ g#3@4 [g#3,b3]@2, ~ g#3@3 a3@2 ~ b3@4 b3@2 ~@3]/2", // E5 D#dim E5 B E5 G#m
  L: "[~@6 [e2,b3]@2 d#3@2 d#3@2 [d#3,a3]@2 ~@16 b3 ~, b2@4 [b2,b3]@3 [b2,e3]@7 g#3@2, [e2,b3]@3 ~@6 g#3@4 b3@2 ~, e3@2 e3@2 ~@4 e4@3 e4@4 ~, ~ g#3@3 a3@2 ~ b3@3 b3@2 d4@3 ~]/2", // E5 D#dim B E5
  M: "~@7 e3, a2@3 a2@5, ~ e3@4 e3@2 ~, ~ c#4@2 [a3,c#4], ~ b3", // A
  N: "~@7 b3, g#2@3 g#2@5, ~ f#3@3 f#3@2 f#3@2, ~@2 b3@3 b3@2 ~",
  O: "~@7 e3, f#2@3 f#2@5, ~ e3@4 e3@2 ~, ~ a3@2 a3, ~ e4",
  P: "[~ e3 ~@5 e3@2 ~@3 e3!2 e3@2, ~@2 g#3@4 g#3@3 ~ g#3@3 g#3@3, ~@3 e3@4 ~@2 e3@3 ~@4, ~@4 e4@5 ~@7, ~@5 b3@4 ~@2 c#4@5]/2",
  Q: "~@3 f#3 ~@3 a3, f#3@3 ~ f#3@4, ~ a3@3 ~ a3@2 ~, ~ c#4 ~ b3",
  R: "~@7 b3, e3!2, ~ g#3@5 g#3@2, ~@2 b3@3 b3@2 ~, ~@3 e4@5",
  S: "~@8 a3 ~ a3@2 b3@2 a3 ~, f#3@2 b3@3 ~@3, ~@2 a3@4 f#3@9 ~",
  T: "[~@3 [e2,b3] d#3!2 [d#3,a3] ~@6 b3 ~@2 [e3,g#3]!8, b2@4 [b2,b3]@3 b2@7 b3@10, [e2,b3]@3 ~@5 e4@5 g#3@2 e4@9, e3@2 e3@2 ~@3 e3@2 e3@7 b2@3 b2@2 b2@3, ~ g#3@3 a3@2 ~ b3@3 g#3 b3 f#3@12]/3", // E5 D#dim E B E5
  U: "g#3 [e3,g#3]!7, b2@3 b2@2 b2@3, e3 ~@15", V: "[~@2 b3@39 ~@7, b2@41 ~@7, ~ [e3,g#3]@40 ~@7]/3",
})).s("gm_acoustic_guitar_steel").gain(0.28).pan(0.8)

// drums · kick
const kick = s("bd").struct("<~ A@19 B A@7 B A@15 B A@7 B A@7 B A@8 C ~@2>".pickRestart({
  A: "x ~@2 x!2 ~@2 x", B: "x ~@2 x!2 ~ x ~", C: "x",
})).gain(0.4)

// drums · snare
const snare = s("sd").struct("<~ A@19 B A@7 B A@15 B A@7 B A@7 B A@8 ~@3>".pickRestart({
  A: "~ x ~ x", B: "~@2 x ~ x!3 ~",
})).gain(0.5)

// drums · low tom
const low_tom = s("lt").struct("<~@20 A ~@7 A ~@15 A ~@7 A ~@7 A ~@11>".pickRestart({
  A: "~@7 x",
})).gain(0.45)

// drums · hihat
const hihat = s("hh").struct("<~ A@19 B C A@6 B A@15 B ~@8 A@7 B ~@11>".pickRestart({
  A: "x!8", B: "x!5 ~@3", C: "~ x!7",
})).gain(0.35)

// drums · crash
const crash = s("cr").struct("<~@45 x ~@15 x ~@7 x ~@2>").gain(0.4)

// drums · ride
const ride = s("rd").struct("<~@21 A ~@23 B C@6 D ~@8 B C@7 ~@3>".pickRestart({
  A: "x", B: "~ x!7", C: "x!8", D: "x!5 ~@3",
})).gain(0.35)

// drums · tambourine
const tambourine = s("tb").struct("<~@45 [~ x ~ x]!8 ~@8 [~ x ~ x]!8 ~@3>").gain(0.4)

// drums · triangle
const triangle = s("triangles:30").struct("<[~@11 x ~@4] ~@2 [~@4 x ~@4 x ~@6] ~@65 [~ x ~@6] ~@2>").gain(3.46)

stack(piano, bass, glockenspiel, acoustic_guitar_steel, kick, snare, low_tom, hihat, crash, ride, tambourine, triangle)