// Letter Full Of Tears — Gladys Knight & The Pips
// 112 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(112/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<E C#m A B>"],
  // verse (12 bars)
  [12, "<E!2 C#m!2 A!2 E!2 G#7!2 A A#o7>"],
  // chorus (6 bars)
  [6, "<E C#m E C#m E E7>"],
  // bridge (16 bars)
  [16, "<A!2 E E7 A!2 E E7 A!2 E C#m F#7!2 B7!2>"],
  // verse (12 bars)
  [12, "<E!2 C#m!2 A!2 E!2 G#7!2 A A#o7>"],
  // chorus (15 bars)
  [15, "<E C#m E C#m E C#m E C#m E C#m E C#m E!3>"],
  // outro (4 bars)
  [4, "<E C#m E C#m>"],
  // fadeout (6 bars)
  [6, "<E C#m E C#m E C#m>"],
)
const bassline = arrange(
  [4, "<e2 c#2 a2 b2>"],
  [12, "<e2!2 c#2!2 a2!2 e2!2 g#2!2 a2 a#2>"],
  [6, "<e2 c#2 e2 c#2 e2!2>"],
  [16, "<a2!2 e2!2 a2!2 e2!2 a2!2 e2 c#2 f#2!2 b2!2>"],
  [12, "<e2!2 c#2!2 a2!2 e2!2 g#2!2 a2 a#2>"],
  [15, "<e2 c#2 e2 c#2 e2 c#2 e2 c#2 e2 c#2 e2 c#2 e2!3>"],
  [4, "<e2 c#2 e2 c#2>"],
  [6, "<e2 c#2 e2 c#2 e2 c#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)