// Blue Jean — David Bowie
// 125 bpm, 4/4, key D major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(125/4)

const chords = arrange(
  // intro (1 bars)
  [1, "<[C@3 G]>"],
  // verse (18 bars)
  [18, "<D!5 G!6 D!2 C D [C@3 G] A!2>"],
  // chorus (14 bars)
  [14, "<F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11>"],
  // trans (1 bars)
  [1, "<[C@3 G]>"],
  // verse (18 bars)
  [18, "<D!5 G!6 D!2 C D [C@3 G] A!2>"],
  // chorus (14 bars)
  [14, "<F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11>"],
  // trans (1 bars)
  [1, "<[C@3 G]>"],
  // interlude (4 bars)
  [4, "<D!4>"],
  // chorus (22 bars)
  [22, "<F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11 A!2 F#m F#m11>"],
  // outro (3 bars)
  [3, "<[C@3 G] [C@3 A5] E5>"],
)
const bassline = arrange(
  [1, "<[c2@3 g2]>"],
  [18, "<d2!5 g2!6 d2!2 c2 d2 [c2@3 g2] a2!2>"],
  [14, "<f#2!2 a2!2 f#2!2 a2!2 f#2!2 a2!2 f#2!2>"],
  [1, "<[c2@3 g2]>"],
  [18, "<d2!5 g2!6 d2!2 c2 d2 [c2@3 g2] a2!2>"],
  [14, "<f#2!2 a2!2 f#2!2 a2!2 f#2!2 a2!2 f#2!2>"],
  [1, "<[c2@3 g2]>"],
  [4, "<d2!4>"],
  [22, "<f#2!2 a2!2 f#2!2 a2!2 f#2!2 a2!2 f#2!2 a2!2 f#2!2 a2!2 f#2!2>"],
  [3, "<[c2@3 g2] [c2@3 a2] e2>"],
)

// 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)