// Notorious Thugs — The Notorious B.I.G.
// 78.5 bpm, 4/4, key G major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Full arrangement: all 121 bars on a 32-step grid, each part at one level. Source detail keeps the original performance.
setcpm(78.5/4)

// 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 · acoustic bass · "bass line"
const bass = note(`<
  ~@16 A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A B A
  B A B A B A B A B A B A B A B A B A B A B A B 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: "e2@3 e2 d2@3 g2", B: "c2 ~",
})).s("gm_acoustic_bass").gain(0.4)

// drums · kick
const kick = s("bd").struct(`<
  ~@7 A 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 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 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 B C B C B C B C B C B C B C B C ~
>`.pickRestart({
  A: "~@16 x ~@2 x ~@2 x ~ x ~@7", B: "x!2 ~ x!2 ~@3", C: "x ~@3 x ~@11 x ~@2 x ~@2 x ~@9",
})).gain(0.64)

// drums · snare
const snare = s("sd").struct("<~@12 [~ x ~ x]!108 ~>").gain(0.64)

// drums · clap
const clap = s("cp").struct("<~@10 [~ x ~ x]!110 ~>").gain(0.64)

// drums · pedal hat
const pedal_hat = s("hh").struct("<~@4 [~@2 x!4 ~@2 x ~@7 x ~@7 x ~@7]!116 ~>").gain(0.64)

// drums · open hat
const open_hat = s("oh").struct("<~@4 x!116 ~>").gain(0.64)

// drums · splash
const splash = s("cr").struct("<~@120 x>").gain(0.64)

stack(bass, kick, snare, clap, pedal_hat, open_hat, splash)