// I'll Tumble 4 Ya — Culture Club
// 112 bpm, 4/4, key C major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(112/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<~!4>"],
  // verse (4 bars)
  [4, "<[Em Dm@2 C] C [Em Dm@2 C] C>"],
  // pre-chorus (4 bars)
  [4, "<Dm!3 G>"],
  // chorus (7 bars)
  [7, "<C!7>"],
  // verse (4 bars)
  [4, "<[Em Dm@2 C] C [Em Dm@2 C] C>"],
  // pre-chorus (4 bars)
  [4, "<Dm!3 G>"],
  // chorus (7 bars)
  [7, "<C!7>"],
  // interlude (2 bars)
  [2, "<Am!2>"],
  // bridge (6 bars)
  [6, "<Am!6>"],
  // pre-chorus (4 bars)
  [4, "<Dm!3 G>"],
  // chorus (7 bars)
  [7, "<~!7>"],
  // verse (4 bars)
  [4, "<[Em Dm@2 C] C [Em Dm@2 C] C>"],
  // pre-chorus (4 bars)
  [4, "<Dm!3 G>"],
  // chorus (7 bars)
  [7, "<C!7>"],
  // outro (4 bars)
  [4, "<[C@2 Bb@2] [C@2 Eb Bb] [C@2 Bb@2] C>"],
)
const bassline = arrange(
  [4, "<~!4>"],
  [4, "<[e2 d2@2 e2] c2 [e2 d2@2 e2] c2>"],
  [4, "<d2!3 g2>"],
  [7, "<c2!7>"],
  [4, "<[e2 d2@2 e2] c2 [e2 d2@2 e2] c2>"],
  [4, "<d2!3 g2>"],
  [7, "<c2!7>"],
  [2, "<a2!2>"],
  [6, "<a2!6>"],
  [4, "<d2!3 g2>"],
  [7, "<~!7>"],
  [4, "<[e2 d2@2 e2] c2 [e2 d2@2 e2] c2>"],
  [4, "<d2!3 g2>"],
  [7, "<c2!7>"],
  [4, "<[c2@2 bb2@2] [c2@2 eb2 d2] [c2@2 bb2@2] c2>"],
)

// 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)