// Human Nature — Michael Jackson
// 93 bpm, 4/4, key D major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(93/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<[Gadd9@2 A@2] [F^9@2 Em11@2] [Gadd9@2 A@2] [F^9@2 Em11@2]>"],
  // verse (16 bars)
  [16, "<[Gadd9@2 A@2]!6 [Gadd9@2 F#m7@2] [Em9@2 A@2] [Gadd9@2 A@2]!6 [Gadd9@2 F#m7@2] [Em9@2 A@2]>"],
  // chorus (8 bars)
  [8, "<[G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [G@2 A@2] D [G@2 F#m7@2] [Em@2 A@2]>"],
  // verse (8 bars)
  [8, "<[Gadd9@2 A@2]!6 [Gadd9@2 F#m7@2] [Em9@2 A@2]>"],
  // chorus (10 bars)
  [10, "<[G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [Em@2 Bm@2]!2>"],
  // trans (2 bars)
  [2, "<Em7 A9sus>"],
  // interlude (4 bars)
  [4, "<[Gadd9@2 A@2] [F^9@2 Em11@2] [Gadd9@2 A@2] [F^9@2 Em11@2]>"],
  // verse (8 bars)
  [8, "<[Gadd9@2 A@2]!6 [Gadd9@2 F#m7@2] [Em9@2 A@2]>"],
  // chorus (8 bars)
  [8, "<[G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [G@2 A@2] D [G@2 F#m7@2] [Em7@2 D^7@2]>"],
  // chorus (8 bars)
  [8, "<[G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [G@2 A@2] D [G@2 F#m7@2] [Em7@2 D^7@2]>"],
  // chorus (9 bars)
  [9, "<[G@2 A@2] D [G@2 F#m7@2] [Em7@2 Bm@2] [G@2 A@2] D [G@2 F#m7@2] Em7 A9sus>"],
  // interlude (6 bars)
  [6, "<[Gadd9@2 A@2] [F^9@2 Em11@2] [Gadd9@2 A@2] [F^9@2 Em11@2] [Gadd9@2 A@2] [F^9@2 Em11@2]>"],
  // fadeout (4 bars)
  [4, "<Bb6!4>"],
)
const bassline = arrange(
  [4, "<[g2@2 a2@2] [f2@2 e2@2] [g2@2 a2@2] [f2@2 e2@2]>"],
  [16, "<[g2@2 a2@2]!6 [g2@2 f#2@2] [e2@2 a2@2] [g2@2 a2@2]!6 [g2@2 f#2@2] [e2@2 a2@2]>"],
  [8, "<[g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2] [g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 a2@2]>"],
  [8, "<[g2@2 a2@2]!6 [g2@2 f#2@2] [e2@2 a2@2]>"],
  [10, "<[g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2] [g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2]!3>"],
  [2, "<e2 a2>"],
  [4, "<[g2@2 a2@2] [f2@2 e2@2] [g2@2 a2@2] [f2@2 e2@2]>"],
  [8, "<[g2@2 a2@2]!6 [g2@2 f#2@2] [e2@2 a2@2]>"],
  [8, "<[g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2] [g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 a2@2]>"],
  [8, "<[g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2] [g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 a2@2]>"],
  [9, "<[g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] [e2@2 b2@2] [g2@2 a2@2] [d2 c#2 b2 a2] [g2@2 f#2@2] e2 a2>"],
  [6, "<[g2@2 a2@2] [f2@2 e2@2] [g2@2 a2@2] [f2@2 e2@2] [g2@2 a2@2] [f2@2 e2@2]>"],
  [4, "<bb2!4>"],
)

// 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)