// Ten Percent — Double Exposure
// 123 bpm, 4/4, key C major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(123/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<~!4>"],
  // instrumental (8 bars)
  [8, "<G9sus!4 Ab^9 Bb C^7!2>"],
  // verse (16 bars)
  [16, "<C G C^7!2 C G C^7 C7 F^7 Em7 F^7 Em7 F^7 D7 G9sus!2>"],
  // chorus (16 bars)
  [16, "<G9sus!4 Ab^9 Bb C^7!2 G9sus!4 Ab^9 Bb C^7!2>"],
  // verse (16 bars)
  [16, "<C G C^7!2 C G C^7 C7 F^7 Em7 F^7 Em7 F^7 D7 G9sus!2>"],
  // chorus (16 bars)
  [16, "<G9sus!4 Ab^9 Bb C^7!2 G9sus!4 Ab^9 Bb C^7!2>"],
  // chorus (16 bars)
  [16, "<G9sus!4 Ab^9 Bb C^7!2 G9sus!4 Ab^9 Bb C^7!2>"],
  // fadeout (8 bars)
  [8, "<G9sus!8>"],
)
const bassline = arrange(
  [4, "<~!4>"],
  [8, "<g2!4 ab2 bb2 c2!2>"],
  [16, "<g2!2 c2!2 g2!2 c2!2 f2 e2 f2 e2 f2 d2 g2!2>"],
  [16, "<g2!4 ab2 bb2 c2!2 g2!4 ab2 bb2 c2!2>"],
  [16, "<g2!2 c2!2 g2!2 c2!2 f2 e2 f2 e2 f2 d2 g2!2>"],
  [16, "<g2!4 ab2 bb2 c2!2 g2!4 ab2 bb2 c2!2>"],
  [16, "<g2!4 ab2 bb2 c2!2 g2!4 ab2 bb2 c2!2>"],
  [8, "<g2!8>"],
)

// 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)