// Boom Boom Boom — John Lee Hooker
// 131 bpm, 4/4, key G minor. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: pitch bends are ignored
// note: Full arrangement: all 89 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(131/4)

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

// bass · synth bass 1
const bass = note(`<
  ~@12 A B A B A B A B A B A B ~@8 A B A B A B A ~ A B A B A B A C A B A B A B A B A B A B A B A ~ A B A B A B A B A B A
  B A B A B A B A B A B A B ~
>`.pickRestart({
  A: "g1@3 ~ g1@3 ~ d2@3 ~ d2@3 ~", B: "bb1@3 ~ bb1@3 ~ eb2@2 bb1@2 eb2@2 bb1@2",
  C: "bb1@3 ~ bb1@3 ~ eb2@2 bb1@2 eb2@2 ~@2",
})).s("gm_synth_bass_1").gain(0.5)

// other · lead 1 square
const lead_1_square = note(`<
  ~@8 A B A B A B A B A B A B A B A B ~@8 A B A B A B A ~@9 A B A B A B A B A B A B A B A ~@5 A B A B A B A B A B A B A
  B A B A B A B ~
>`.pickRestart({
  A: "g2@3 ~ g2@3 ~ d3@2 ~@2 d3@2 ~@2", B: "bb2@3 ~ bb2@3 ~ eb3@2 bb2@2 eb3@2 bb2@2",
})).s("gm_lead_1_square").gain(0.3)

// other · lead 2 sawtooth
const lead_2_sawtooth = note("<~@24 A B A B A B A ~@17 A B A B A B A C ~@24 A B A B A B A C ~>".pickRestart({
  A: "g4 ~@2 g4 ~@2 g4 ~@2 g4 ~@2 g4 ~ bb4 g4", B: "~@2 g4 ~@2 g4 ~@2 g4 ~@2 g4 ~@2 g4 ~", C: "~@2 g4 ~@2 g4 ~@10",
})).s("gm_lead_2_sawtooth").gain(0.3).pan(0.3)

// drums · kick
const kick = s("bd").struct(`<
  A@7 B C ~@7 D A D A D A D E D A D A D A D C D A D A D A D ~ D A D A D A D F D A D A D A D E D A D A D A D ~ C ~ D A D
  A D E D A D A D A D E D A D A D A D E C
>`.pickRestart({
  A: "x ~ x ~ x ~ x!2", B: "x ~@2 x!5", C: "x", D: "x!4", E: "x!2 ~@2", F: "x ~ x ~ x!3 ~",
})).gain(0.69)

// drums · snare
const snare = s("sd").struct("<~@23 A ~@15 B ~@15 A ~@7 B ~@15 A ~@7 A ~>".pickRestart({
  A: "~@8 x!8", B: "x!16",
})).gain(0.35)

// drums · clap
const clap = s("cp").struct("<A@8 ~@4 A@3 B A@7 B A@7 ~ A@7 ~ A@7 B A@7 B A@7 ~@5 A@3 B A@7 B A@7 B ~>".pickRestart({
  A: "~ x ~ x", B: "~ x ~@2",
})).gain(0.41)

// drums · low tom
const low_tom = s("lt").struct(`<
  A@7 B C ~@7 D A D A D A D E D A D A D A D C D A D A D A D ~ D A D A D A D F D A D A D A D E D A D A D A D ~ C ~ D A D
  A D E D A D A D A D E D A D A D A D E C
>`.pickRestart({
  A: "x ~ x ~ x ~ x!2", B: "x ~ x ~ x!3 ~ x!7 ~", C: "x", D: "x!4", E: "x!2 ~@2", F: "x ~ x ~ x!3 ~",
})).gain(0.41)

// drums · hihat
const hihat = s("hh").struct(`<
  A@7 B ~@7 C A@7 B A@7 D ~@4 A@3 D A@7 E A@7 B ~@4 A@3 D ~@4 A@3 B A@7 B A@7 B ~
>`.pickRestart({
  A: "x!4", B: "x!2 ~@2", C: "~@8 x!8", D: "x", E: "x!3 ~",
})).gain(0.21)

// drums · open hat
const open_hat = s("oh").struct(`<
  A@7 B ~@8 A@7 B A@7 ~@5 A@3 ~ A@7 C A@7 B ~@4 A@3 ~@5 A@3 B A@7 B A@7 B ~
>`.pickRestart({
  A: "~ x ~ x ~ x ~ x", B: "~ x ~@6", C: "~ x ~ x ~@4",
})).gain(0.41)

// drums · crash
const crash = s("cr").struct(`<
  ~@8 A ~@2 B A ~@3 A ~@7 A ~@3 A ~@3 A ~@7 A ~@6 C A ~@7 A ~@7 A ~@3 A ~@3 A ~@7 A ~@7 A
>`.pickRestart({
  A: "x", B: "~@7 x", C: "~@4 x!3 ~",
})).gain(0.41)

// drums · cabasa
const cabasa = s("cabasa:4").struct(`<
  A B A B A B A@2 ~@8 C@7 A C@7 ~ C@7 ~ C@7 B C@7 A C@7 ~@5 A B A@2 C@7 A C@7 A ~
>`.pickRestart({
  A: "x!2 ~@14", B: "x!2 ~@2 x!2 ~@10", C: "x!2 ~@2 x!2 ~@2 x!2 ~@2 x!2 ~@2",
})).gain(1.4)

// drums · shaker
const shaker = s("sh").struct("<A@7 B ~@8 A@7 B A@7 ~ A@7 ~ A@7 C A@7 B A@7 ~@5 A@3 B A@7 B A@7 B ~>".pickRestart({
  A: "~@2 x ~@3 x!2 ~@2 x ~@3 x!2", B: "~ x ~@6", C: "~@2 x ~@3 x!2 ~@8",
})).gain(0.28)

// drums · rim
const rim = s("rim").struct("<~@16 A@7 B A@7 ~ A@7 ~ A@7 C A@7 B A@7 ~@5 A@3 B A@7 B A@7 B ~>".pickRestart({
  A: "~ x ~ x ~ x ~ x", B: "~ x ~@6", C: "~ x ~ x ~@4",
})).gain(0.48)

stack(bass, lead_1_square, lead_2_sawtooth, kick, snare, clap, low_tom, hihat, open_hat, crash, cabasa, shaker, rim)