// Walk This Way — Run-D.M.C.
// 106 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(106/4)

const chords = arrange(
  // intro (8 bars)
  [8, "<~!8>"],
  // interlude (4 bars)
  [4, "<E5!3 [E5@3 A]>"],
  // verse (8 bars)
  [8, "<C7!7 [C7@3 A]>"],
  // interlude (4 bars)
  [4, "<E5!3 [E5@3 A]>"],
  // verse (8 bars)
  [8, "<C7!8>"],
  // chorus (8 bars)
  [8, "<C7 F7 C7 F7 C7 F7 C7 F7>"],
  // solo (4 bars)
  [4, "<C7!3 [C7@3 A]>"],
  // interlude (4 bars)
  [4, "<E5!3 [E5@3 A]>"],
  // verse (8 bars)
  [8, "<~!8>"],
  // interlude (4 bars)
  [4, "<E5!3 [E5@3 A]>"],
  // verse (8 bars)
  [8, "<C7!8>"],
  // chorus (8 bars)
  [8, "<C7 F7 C7 F7 C7 F7 C7 F7>"],
  // solo (4 bars)
  [4, "<C5!3 [C5@3 A]>"],
  // interlude (4 bars)
  [4, "<[E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2]>"],
  // solo (53 bars)
  [53, "<[E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] E [E@3 A] E [E@3 A] E [E@3 A] E [E@3 A] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [E5@3 E] [E5@2 A@2] [~@3 E] [~@3 A] [~@3 E] [~@3 A] ~!9>"],
)
const bassline = arrange(
  [8, "<~!8>"],
  [4, "<e2!3 [e2@3 a2]>"],
  [8, "<c2!7 [c2@3 a2]>"],
  [4, "<e2!3 [e2@3 a2]>"],
  [8, "<c2!8>"],
  [8, "<c2 f2 c2 f2 c2 f2 c2 f2>"],
  [4, "<c2!3 [c2@3 a2]>"],
  [4, "<e2!3 [e2@3 a2]>"],
  [8, "<~!8>"],
  [4, "<e2!3 [e2@3 a2]>"],
  [8, "<c2!8>"],
  [8, "<c2 f2 c2 f2 c2 f2 c2 f2>"],
  [4, "<c2!3 [c2@3 a2]>"],
  [4, "<e2 [e2@2 a2@2] e2 [e2@2 a2@2]>"],
  [53, "<e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@3 a2] e2 [e2@3 a2] e2 [e2@3 a2] e2 [e2@3 a2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] e2 [e2@2 a2@2] [~@3 e2] [~@3 a2] [~@3 e2] [~@3 a2] ~!9>"],
)

// chords · gm_piano
const keys = chord(chords).voicing().s("gm_piano").gain(0.8)
// bass · gm_electric_bass_finger
const bass = note(bassline).s("gm_electric_bass_finger").gain(0.9)
// drums
const drums = s("[bd hh] [sd hh] [bd hh] [sd hh]").gain(0.8)

stack(keys, bass, drums)