// Patches — Clarence Carter
// 81 bpm, 4/4, key B major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(81/4)

const chords = arrange(
  // verse (15 bars)
  [15, "<B!2 B7 E [G#7@2 C#m@2] F# E F# E F# E [B@2 Bm@2] [E@2 B@2] [B@2 Bm@2] [E@2 B@2]>"],
  // chorus (5 bars)
  [5, "<B D#m B7 E [G#7@2 C#m@2]>"],
  // verse (10 bars)
  [10, "<F# E F# E F# E [B@2 Bm@2] [E@2 B@2] [B@2 Bm@2] [E@2 B@2]>"],
  // chorus (5 bars)
  [5, "<B D#m B7 E [G#7@2 C#m@2]>"],
  // verse (15 bars)
  [15, "<B!2 B7 [E@2 C#@2] [G#7@2 C#m@2] F# E F# E F# E [B@2 Bm@2] [E@2 B@2] [B@2 Bm@2] [E@2 B@2]>"],
  // chorus (5 bars)
  [5, "<B D#m B7 E [G#7@2 C#m@2]>"],
  // outro (5 bars)
  [5, "<B D#m B7 E [G#7@2 C#m@2]>"],
  // fadeout (5 bars)
  [5, "<B D#m B7 E [G#7@2 C#m@2]>"],
)
const bassline = arrange(
  [15, "<b2 a#2 a2 e2 [g#2@2 c#2@2] f#2 e2 f#2 e2 f#2 e2 [b2@2 d2@2] [e2@2 b2@2] [b2@2 d2@2] [e2@2 b2@2]>"],
  [5, "<b2 d#2 a2 e2 [g#2@2 c#2@2]>"],
  [10, "<f#2 e2 f#2 e2 f#2 e2 [b2@2 d2@2] [e2@2 b2@2] [b2@2 d2@2] [e2@2 b2@2]>"],
  [5, "<b2 d#2 a2 e2 [g#2@2 c#2@2]>"],
  [15, "<b2 a#2 a2 [e2@2 c#2@2] [g#2@2 c#2@2] f#2 e2 f#2 e2 f#2 e2 [b2@2 d2@2] [e2@2 b2@2] [b2@2 d2@2] [e2@2 b2@2]>"],
  [5, "<b2 d#2 a2 e2 [g#2@2 c#2@2]>"],
  [5, "<b2 d#2 a2 e2 [g#2@2 c#2@2]>"],
  [5, "<b2 d#2 a2 e2 [g#2@2 c#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] [bd hh] [sd hh]").gain(0.8)

stack(keys, bass, drums)