// The Power — Snap
// 109 bpm, 4/4, key B minor. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(109/4)

const chords = arrange(
  // intro (2 bars)
  [2, "<F#5!2>"],
  // trans (4 bars)
  [4, "<Bm!4>"],
  // pre-chorus (8 bars)
  [8, "<Bm!4 F#m!4>"],
  // pre-verse (4 bars)
  [4, "<Bm!4>"],
  // verse (10 bars)
  [10, "<Bm!10>"],
  // chorus (8 bars)
  [8, "<Bm!4 F#m!4>"],
  // pre-verse (4 bars)
  [4, "<Bm!4>"],
  // intro (2 bars)
  [2, "<F#5!2>"],
  // chorus (16 bars)
  [16, "<Bm!4 F#m!4 Bm!4 F#m!4>"],
  // interlude (4 bars)
  [4, "<Bm!4>"],
  // pre-verse (4 bars)
  [4, "<Bm!4>"],
  // pre-verse (4 bars)
  [4, "<Bm!4>"],
  // interlude (2 bars)
  [2, "<Bm!2>"],
  // verse (8 bars)
  [8, "<Bm!4 Bm7!2 Bm!2>"],
  // interlude (2 bars)
  [2, "<F#5!2>"],
  // chorus (17 bars)
  [17, "<Bm!4 F#m!4 Bm!4 F#m!4 Bm>"],
)
const bassline = arrange(
  [2, "<f#2!2>"],
  [4, "<b2!4>"],
  [8, "<b2!8>"],
  [4, "<b2!4>"],
  [10, "<b2!10>"],
  [8, "<b2!8>"],
  [4, "<b2!4>"],
  [2, "<f#2!2>"],
  [16, "<b2!16>"],
  [4, "<b2!4>"],
  [4, "<b2!4>"],
  [4, "<b2!4>"],
  [2, "<b2!2>"],
  [8, "<b2!8>"],
  [2, "<f#2!2>"],
  [17, "<b2!17>"],
)

// 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)