// Chained And Bound — Otis Redding
// 55 bpm, 4/4, key Bb major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(55/4)

const chords = arrange(
  // verse (5 bars)
  [5, "<~ Bb Eb [Bb@2 F@2]!2>"],
  // verse (4 bars)
  [4, "<Bb Eb [Bb@2 F@2]!2>"],
  // verse (4 bars)
  [4, "<[Bb@3 Bb7] Eb [Bb@2 F7@2] [Bb@2 F@2]>"],
  // bridge (4 bars)
  [4, "<Gm Bb Gm [Bb@2 F7@2]>"],
  // verse (4 bars)
  [4, "<Bb Eb [Bb@2 F@2]!2>"],
  // verse (4 bars)
  [4, "<[Bb@2 Bb7@2] Eb [Bb@2 F@2]!2>"],
  // verse (4 bars)
  [4, "<Bb Eb Bb Eb>"],
  // verse (4 bars)
  [4, "<Bb Eb Bb Eb>"],
  // fadeout (2 bars)
  [2, "<Bb Eb>"],
)
const bassline = arrange(
  [5, "<~ bb2 eb2 [bb2@2 f2@2]!2>"],
  [4, "<bb2 eb2 [bb2@2 f2@2]!2>"],
  [4, "<bb2 eb2 [bb2@2 f2@2]!2>"],
  [4, "<g2 bb2 g2 [bb2@2 f2@2]>"],
  [4, "<bb2 eb2 [bb2@2 f2@2]!2>"],
  [4, "<bb2 eb2 [bb2@2 f2@2]!2>"],
  [4, "<bb2 eb2 bb2 eb2>"],
  [4, "<bb2 eb2 bb2 eb2>"],
  [2, "<bb2 eb2>"],
)

// 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)