// For Ol' Times Sake — Elvis Presley
// 69 bpm, 4/4, key Bb major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(69/4)

const chords = arrange(
  // intro (2 bars)
  [2, "<Bb!2>"],
  // verse (12 bars)
  [12, "<Bb Bb^7 [F9sus@2 Bb7@2] Eb Bb Bb^7 [F9sus@2 Bb7@2] Eb [Eb@2 F7sus@2] Bb [Cm7@2 F7@2] Bb>"],
  // verse (12 bars)
  [12, "<Bb Bb^7 [F9sus@2 Bb7@2] Eb Bb Bb^7 [F9sus@2 Bb7@2] Eb [Eb@2 F7sus@2] Bb [Cm7@2 F7@2] Bb>"],
  // bridge (10 bars)
  [10, "<[Eb@2 F7@2] Bb [Eb@2 F7@2] Bb [Eb@2 F@2] Bb [F@2 Gm7@2] [Eb@2 F7sus@2] [F7sus@2 F@2] [F7@2 ~@2]>"],
  // solo (4 bars)
  [4, "<Bb Bb^7 [F9sus@2 Bb7@2] Eb>"],
  // verse (11 bars)
  [11, "<Bb Bb^7 [F9sus@2 Bb7@2] Eb Bb Bb^7 [F9sus@2 Bb7@2] Eb [Eb@2 F7sus@2] [Bb@2 F@2] [Cm7@2 F7@2]>"],
  // solo (7 bars)
  [7, "<Bb Bb^7 [F9sus@2 Bb7@2] Eb [Eb@2 F7sus@2] [Bb@2 F@2] [Cm7@2 F7@2]>"],
  // solo (4 bars)
  [4, "<Bb Bb^7 Bb!2>"],
)
const bassline = arrange(
  [2, "<bb2!2>"],
  [12, "<bb2 a2 [f2@2 bb2@2] eb2 bb2 a2 [f2@2 bb2@2] eb2 [eb2@2 f2@2] bb2 [c2@2 f2@2] bb2>"],
  [12, "<bb2 a2 [f2@2 bb2@2] eb2 bb2 a2 [f2@2 bb2@2] eb2 [eb2@2 f2@2] bb2 [c2@2 f2@2] bb2>"],
  [10, "<[eb2@2 f2@2] bb2 [eb2@2 f2@2] bb2 [eb2@2 f2@2] bb2 [a2@2 g2@2] [eb2@2 f2@2] f2 [f2@2 ~@2]>"],
  [4, "<bb2 a2 [f2@2 bb2@2] eb2>"],
  [11, "<bb2 a2 [f2@2 bb2@2] eb2 bb2 a2 [f2@2 bb2@2] eb2 [eb2@2 f2@2] [bb2@2 a2@2] [c2@2 f2@2]>"],
  [7, "<bb2 a2 [f2@2 bb2@2] eb2 [eb2@2 f2@2] [bb2@2 a2@2] [c2@2 f2@2]>"],
  [4, "<bb2 a2 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)