// Rocky Mountain High — John Denver
// 81 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(81/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // verse (16 bars)
  [16, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // chorus (8 bars)
  [8, "<[A@2 B@2] E [A@2 B@2] E [A@2 B@2] [E@2 A@2] A [A B7sus ~@2]>"],
  // interlude (4 bars)
  [4, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // verse (16 bars)
  [16, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // chorus (8 bars)
  [8, "<[A@2 B@2] E [A@2 B@2] E [A@2 B@2] [E@2 A@2] A [A B7sus ~@2]>"],
  // interlude (4 bars)
  [4, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // verse (8 bars)
  [8, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // chorus (16 bars)
  [16, "<[A@2 B@2] E [A@2 B@2] E [A@2 B@2] [E@2 A@2] A [A B7sus E@2] [E@2 A@2] [B@2 E@2] [E@2 A@2] [B@2 E@2] [E@2 A@2] [B@2 E@2] A [A@3 B7sus]>"],
  // outro (8 bars)
  [8, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
  // fadeout (4 bars)
  [4, "<E [F#m7@2 A B7sus] E [F#m7@2 A B7sus]>"],
)
const bassline = arrange(
  [4, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [16, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [8, "<[a2@2 b2@2] e2 [a2@2 b2@2] e2 [a2@2 b2@2] [e2@2 a2@2] a2 [a2 b2 ~@2]>"],
  [4, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [16, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [8, "<[a2@2 b2@2] e2 [a2@2 b2@2] e2 [a2@2 b2@2] [e2@2 a2@2] a2 [a2 b2 ~@2]>"],
  [4, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [8, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [16, "<[a2@2 b2@2] e2 [a2@2 b2@2] e2 [a2@2 b2@2] [e2@2 a2@2] a2 [a2 b2 e2@2] [e2@2 a2@2] [b2@2 e2@2] [e2@2 a2@2] [b2@2 e2@2] [e2@2 a2@2] [b2@2 e2@2] a2 [a2@3 b2]>"],
  [8, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
  [4, "<e2 [f#2@2 a2 b2] e2 [f#2@2 a2 b2]>"],
)

// 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)