// Talk Back Trembling Lips — Johnny Tillotson
// 138 bpm, 4/4, key A major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(138/4)

const chords = arrange(
  // chorus (17 bars)
  [17, "<D!2 A!2 E7!2 A!2 D!2 A!2 E7!3 A!2>"],
  // verse (16 bars)
  [16, "<A D A!3 D E7!2 A D A!2 B7!2 E7!2>"],
  // chorus (17 bars)
  [17, "<D!2 A!2 E7!2 A!2 D!2 A!2 E7!3 A F>"],
  // verse (16 bars)
  [16, "<Bb Eb Bb!3 Eb F7!2 Bb Eb Bb!2 C7!2 F7!2>"],
  // chorus (23 bars)
  [23, "<Eb!2 Bb!2 F7!2 Bb!2 Eb!2 Bb!2 F7!3 Bb!2 F7!4 Bb!2>"],
)
const bassline = arrange(
  [17, "<d2!2 a2!2 e2!2 a2!2 d2!2 a2!2 e2!3 a2!2>"],
  [16, "<a2 d2 a2!3 d2 e2!2 a2 d2 a2!2 b2!2 e2!2>"],
  [17, "<d2!2 a2!2 e2!2 a2!2 d2!2 a2!2 e2!3 a2 f2>"],
  [16, "<bb2 eb2 bb2!3 eb2 f2!2 bb2 eb2 bb2!2 c2!2 f2!2>"],
  [23, "<eb2!2 bb2!2 f2!2 bb2!2 eb2!2 bb2!2 f2!3 bb2!2 f2!4 bb2!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] [bd hh] [sd hh]").gain(0.8)

stack(keys, bass, drums)