// Lucille — Kenny Rogers
// 142 bpm, 3/4, key Bb major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(142/3)

const chords = arrange(
  // intro (8 bars)
  [8, "<Bb!8>"],
  // verse (33 bars)
  [33, "<Bb!6 F7!2 Cm!2 F7!2 Cm F7 Bb!7 Bb7 Eb!2 F7!7 Bb!2>"],
  // verse (32 bars)
  [32, "<Bb!6 F7!2 Cm!2 F7!2 Cm F7 Bb!7 Bb7 Eb!2 F7!6 Bb!2>"],
  // chorus (21 bars)
  [21, "<~!2 Eb!5 Bb!2 Eb!6 Bb!2 F7!2 Bb!2>"],
  // trans (2 bars)
  [2, "<C!2>"],
  // verse (32 bars)
  [32, "<C!6 G7!2 Dm!2 G7!2 Dm G7 C!7 C7 F!2 G7!6 ~!2>"],
  // chorus (21 bars)
  [21, "<~!2 F!5 C!2 F!6 C!2 G7!2 C!2>"],
  // chorus (9 bars)
  [9, "<~!2 F!5 C!2>"],
  // fadeout (14 bars)
  [14, "<F!6 C!2 G7!2 C!2 ~!2>"],
)
const bassline = arrange(
  [8, "<bb2!8>"],
  [33, "<bb2!6 f2!2 c2!2 f2!2 c2 f2 bb2!8 eb2!2 f2!7 bb2!2>"],
  [32, "<bb2!6 f2!2 c2!2 f2!2 c2 f2 bb2!8 eb2!2 f2!6 bb2!2>"],
  [21, "<~!2 eb2!5 bb2!2 eb2!6 bb2!2 f2!2 bb2!2>"],
  [2, "<c2!2>"],
  [32, "<c2!6 g2!2 d2!2 g2!2 d2 g2 c2!8 f2!2 g2!6 ~!2>"],
  [21, "<~!2 f2!5 c2!2 f2!6 c2!2 g2!2 c2!2>"],
  [9, "<~!2 f2!5 c2!2>"],
  [14, "<f2!6 c2!2 g2!2 c2!2 ~!2>"],
)

// 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]").gain(0.8)

stack(keys, bass, drums)