// I'll Be on My Way — The Beatles
// 134 bpm, 4/4, key C major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Full arrangement: all 34 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(134/4)

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

// bass · electric bass finger · "BASS"
const bass = note("<A B C D A E F G C H I J C H K L M N O N P Q R S A T I U V W F G X Y>".pickRestart({
  A: "c2@5 ~ c2 ~ c2@6 c2 ~", B: "g2@5 ~ g2 ~ g2@5 ~ g2 ~", C: "c2@5 ~ c2 ~ c2@5 ~ c2 ~", D: "f2@5 ~ f2 ~ f2@6 f2 ~",
  E: "g2@5 ~ g2 ~ g2@6 b1 ~", F: "c2@5 ~ c2 ~ f2@5 ~ f2 ~", G: "c2@5 ~ c2 ~ g2@3 ~ g2@3 ~", H: "g2@5 ~ g2 ~ g2@6 g2 ~",
  I: "c2@6 c2 ~ c2@6 c2 ~", J: "f2@6 f2 ~ f2@6 f1 ~", K: "c2@3 ~ c2@3 ~ f2@5 ~ f2 ~", L: "c2@3 ~ c2@3 ~ g2@3 ~ g2@3 ~",
  M: "d2@6 a1@2 d2 ~ d2 ~ d2@2 a1@2", N: "g2@5 ~ g2@2 d2@5 ~ d2 ~", O: "d2@3 a2 d2@2 d2 ~",
  P: "d2@5 ~ d2@2 a2@5 ~ a2 ~", Q: "g2@5 ~ g2@2 d2@5 ~ d2@2", R: "a1@5 ~ a1@2 e2@5 ~ e2 ~",
  S: "d2@5 ~ d2@2 g2@5 ~ g2@2", T: "g2@5 ~ g2 ~ g2 ~ g2@3 ~ g2 ~", U: "f2@5 ~ f2 ~ f2@6 a1 ~",
  V: "c2@5 ~ c2 ~ c2@6 f2 ~", W: "g2@6 g2 ~ g2@6 g1 ~", X: "c2@3 ~ c2@3 ~ f2@3 ~ f2@3 ~", Y: "c2@5 ~@11",
})).s("gm_electric_bass_finger").gain(0.35)

// chords · electric guitar clean · "GUITAR"
const electric_guitar_clean = note("<A B A C D E F G A H I J I K L G M K N H O E P Q R K A C A K S G T U>".pickRestart({
  A: "~@2 [g3,c4,e4]@2 ~@2 c3@2 [g3,c4,e4]@2 ~@2 [g3,c4,e4] ~@3", // C
  B: "~@2 [g3,b3,d4]@2 ~@2 g2@2 [g3,b3,d4]@2 ~@2 [g3,b3,d4] ~@3", C: "[a3,c4,f4] ~ [a3,c4,f4] ~@3 [a3,c4,f4]@6 ~@4",
  D: "[g3,c4,e4]@6 c3@2 [g3,c4,e4]@3 ~ [g3,c4,e4] ~@3", E: "[g3,b3,d4]@15 ~", F: "~ [g3,c4,e4]@2 ~@2 [a3,c4,f4]@2 ~",
  G: "[g3,c4,e4]@7 ~ [b3,d4,f4,g4]@7 ~", H: "[g3,b3,d4] ~ [g3,b3,d4] ~@3 [g3,b3,d4]@6 ~@4", I: "[g3,c4,e4]@15 ~",
  J: "~@2 [a3,c4,f4]@2 ~@2 f3@2 [a3,c4,f4]@2 ~@2 [a3,c4,f4] ~@3", K: "[g3,b3,d4]@6 g2@2 [g3,b3,d4]@3 ~ [g3,b3,d4] ~@3",
  L: "[g3,c4,e4]@7 ~ [a3,c4,f4]@7 ~", M: "[a3,d4,f#4] ~ [a3,d4,f#4] ~@3 [a3,d4,f#4]@6 ~@4",
  N: "[a3,d4,f#4]@6 d3@2 [a3,d4,f#4]@3 ~ [a3,d4,f#4] ~@3", // D
  O: "~@2 [a3,d4,f#4]@2 ~@2 d3@2 [a3,d4,f#4]@2 ~@2 [a3,d4,f#4] ~@3", // D
  P: "~@2 [c#4,e4,g4,a4]@2 ~@2 a2@2 [c#4,e4,g4,a4]@2 ~@2 [c#4,e4,g4,a4] ~@3", Q: "[f#3,a3,d4]@7 ~ [b3,d4,f4,g4]@7 ~",
  R: "[g3,c4,e4] ~ [g3,c4,e4] ~@3 [g3,c4,e4]@6 ~@4", S: "[g3,c4,e4]@7 ~@3 [a3,c4,f4]@4 ~@2",
  T: "~@2 [g3,c4,e4]@4 ~@2 [a3,c4,f4]@7 ~", U: "[g3,c4,e4]@7 ~",
})).s("gm_electric_guitar_clean").gain(0.36)

// drums · kick
const kick = s("bd").struct("<A B A B A B A@3 B A B A B A@2 B C B A B C B A@2 B A B A B A@3 D>".pickRestart({
  A: "x ~@2 x!2 ~@3", B: "x ~@2 x!2 ~@2 x", C: "x ~@2 x!3 ~ x", D: "x",
})).gain(0.35)

// drums · snare
const snare = s("sd").struct("<A@7 B A@7 C A@3 D A@3 D A@7 C D ~>".pickRestart({
  A: "~ x ~ x", B: "~@4 x ~@5 x!3 ~ x ~", C: "~@4 x ~@3 x!4 ~@4", D: "~ x ~@2",
})).gain(0.4)

// drums · low tom
const low_tom = s("lt").struct("<~@19 [~@7 x] ~@3 [~@7 x] ~@8 [~@7 x] ~>").gain(0.4)

// drums · hihat
const hihat = s("hh").struct("<A@2 B C B C B D A@2 E C E C A D A C A F A@3 G A C E A@4 D G H>".pickRestart({
  A: "x!8", B: "x ~ x ~ x!3 ~ x ~ x ~ x ~ x ~", C: "x!7 ~", D: "x!5 ~@3", E: "x!3 ~ x ~ x ~ x ~ x ~ x ~ x ~",
  F: "x ~ x!2 ~@8 x ~@3", G: "x ~ x!2 ~@8 x ~ x ~", H: "x",
})).gain(0.35)

// drums · mid tom
const mid_tom = s("mt").struct("<~@15 A ~@3 B ~@3 B ~@7 A B ~>".pickRestart({
  A: "~@12 x!4", B: "~@3 x ~ x!2 ~",
})).gain(0.4)

// drums · open hat
const open_hat = s("oh").struct("<~@3 A ~ A ~ A ~@3 A ~ A ~@3 A B C ~@3 D ~ A ~@6 D ~>".pickRestart({
  A: "~@7 x", B: "~ x ~@13 x", C: "~@2 x ~@4 x", D: "~ x ~@2",
})).gain(0.3)

// drums · high tom
const high_tom = s("ht").struct("<~@19 [~ x] ~@3 [~ x] ~@8 [~ x] ~>").gain(0.4)

// drums · crash
const crash = s("cr").struct("<A ~@5 B@2 A ~@5 C@2 A ~@3 A ~@3 A ~@5 C@3 A>".pickRestart({
  A: "x", B: "x!2", C: "~ x ~ x",
})).gain(0.4)

// drums · ride
const ride = s("rd").struct("<A B@4 C D@2 C@6 ~@2 C E C@3 F C F B@3 C@3 ~@2 G ~>".pickRestart({
  A: "~@5 x ~@6 x ~ x ~", B: "~@2 x ~@3 x!2", C: "~@2 x!2 ~@2 x ~", D: "~ x ~ x", E: "~@2 x!3 ~ x ~", F: "~@2 x!2 ~@4",
  G: "~ x ~@2",
})).gain(0.45)

// drums · tambourine
const tambourine = s("tb").struct("<A B@15 C D@7 E B@4 F B@3 G>".pickRestart({
  A: "~@2 x!6", B: "x!8", C: "x ~ x!2 ~@2 x ~", D: "~@2 x!2 ~@2 x ~", E: "~ x!2 ~ x ~ x ~ x ~ x ~ x ~ x ~",
  F: "x ~ x ~@2 x!2 ~ x ~ x ~ x ~ x ~", G: "x",
})).gain(0.35)

stack(bass, electric_guitar_clean, kick, snare, low_tom, hihat, mid_tom, open_hat, high_tom, crash, ride, tambourine)