// Running Up That Hill — Kate Bush
// 109 bpm, 4/4, key C minor. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(109/4)

const chords = arrange(
  // intro (11 bars)
  [11, "<Cm ~ Cm!2 Ab Bb Cm!2 Ab Bb Cm>"],
  // verse (7 bars)
  [7, "<[Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2]>"],
  // prechorus (4 bars)
  [4, "<[Fm7@2 Cm9@2] Fm7 [Fm7@2 Cm9@2] Fm7>"],
  // chorus (15 bars)
  [15, "<Ab Bb Cm!2 Ab Bb Cm!2 Ab Bb Cm Ab!2 Bb Cm>"],
  // verse (11 bars)
  [11, "<[Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2] [Cm@2 Cm9@2] [Ab@2 Bb@2]>"],
  // prechorus (6 bars)
  [6, "<[Fm7@2 Cm9@2] Fm7 [Fm7@2 Cm9@2] Fm7 [Fm7@2 Cm9@2] Fm7>"],
  // chorus (15 bars)
  [15, "<Ab Bb Cm!2 Ab Bb Cm!2 Ab Bb Cm Ab!2 Bb Cm>"],
  // prechorus (6 bars)
  [6, "<[Fm7@2 Cm9@2] Fm7 [Fm7@2 Cm9@2] Fm7 [Fm7@2 Cm9@2] Fm7>"],
  // bridge (8 bars)
  [8, "<Ab Bb Cm!2 Ab Bb Cm!2>"],
  // interlude (8 bars)
  [8, "<Ab Bb Cm Ab!2 Bb Cm!2>"],
  // chorus (8 bars)
  [8, "<Ab Bb Cm!2 Ab Bb Cm!2>"],
  // chorus (8 bars)
  [8, "<Ab Bb Cm!2 Ab Bb Cm!2>"],
  // chorus (8 bars)
  [8, "<Ab Bb Cm!2 Ab Bb Cm!2>"],
  // outro (16 bars)
  [16, "<Ab!2 Bb!2 Cm!12>"],
)
const bassline = arrange(
  [11, "<c2 ~ c2!9>"],
  [7, "<c2!7>"],
  [4, "<c2!4>"],
  [15, "<c2!15>"],
  [11, "<c2!11>"],
  [6, "<c2!6>"],
  [15, "<c2!15>"],
  [6, "<c2!6>"],
  [8, "<c2!8>"],
  [8, "<c2!8>"],
  [8, "<c2!8>"],
  [8, "<c2!8>"],
  [8, "<c2!8>"],
  [16, "<c2!16>"],
)

// 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)