// Get Up (I Feel Like Being Like A) Sex Machine (Part 1) — James Brown
// 109 bpm, 4/4, key Eb major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(109/4)

const chords = arrange(
  // intro (1 bars)
  [1, "<Ab13>"],
  // verse (54 bars)
  [54, "<Eb13!54>"],
  // bridge (16 bars)
  [16, "<Ab13!16>"],
  // trans (1 bars)
  [1, "<Ab13>"],
  // verse (64 bars)
  [64, "<Eb13!64>"],
  // outro (1 bars)
  [1, "<Ab13>"],
)
const bassline = arrange(
  [1, "<ab2>"],
  [54, "<eb2!54>"],
  [16, "<ab2!16>"],
  [1, "<ab2>"],
  [64, "<eb2!64>"],
  [1, "<ab2>"],
)

// 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)