// Lucky — Greg Kihn
// 124 bpm, 4/4, key A minor. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(124/4)

const chords = arrange(
  // intro (24 bars)
  [24, "<Am!9 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2]>"],
  // verse (9 bars)
  [9, "<F^7 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 E E7>"],
  // chorus (6 bars)
  [6, "<[Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2>"],
  // verse (9 bars)
  [9, "<Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 E E7>"],
  // chorus (12 bars)
  [12, "<[Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2>"],
  // solo (9 bars)
  [9, "<Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 E E7>"],
  // chorus (12 bars)
  [12, "<[Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2>"],
  // verse (9 bars)
  [9, "<Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] F^7 E E7>"],
  // chorus (12 bars)
  [12, "<[Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2 [Dm@2 Em@2] Dm7!2>"],
  // solo (17 bars)
  [17, "<Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 [Gm7@2 C7@2] Am [Gm7@2 C7@2] F^7 E E7>"],
  // chorus (2 bars)
  [2, "<[Dm@2 Em@2] Dm7>"],
)
const bassline = arrange(
  [24, "<a2!24>"],
  [9, "<f2 a2 f2 a2 f2 a2 f2 e2!2>"],
  [6, "<d2!6>"],
  [9, "<a2!4 f2 a2 f2 e2!2>"],
  [12, "<d2!12>"],
  [9, "<a2!4 f2 a2 f2 e2!2>"],
  [12, "<d2!12>"],
  [9, "<a2!4 f2 a2 f2 e2!2>"],
  [12, "<d2!12>"],
  [17, "<a2!14 f2 e2!2>"],
  [2, "<d2 f2>"],
)

// 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)