// Rock 'N' Roll Fantasy — Bad Company
// 112 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(112/4)

const chords = arrange(
  // intro (6 bars)
  [6, "<E7#9!5 [E7#9@2 ~@2]>"],
  // verse (8 bars)
  [8, "<E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9!2>"],
  // trans (4 bars)
  [4, "<E7#9!4>"],
  // verse (8 bars)
  [8, "<E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9!2>"],
  // chorus (8 bars)
  [8, "<[C@2 A@2] [G@2 D@2] A!2 [C@2 A@2] [G@2 D@2] A!2>"],
  // trans (2 bars)
  [2, "<E7#9!2>"],
  // solo (8 bars)
  [8, "<E7#9!8>"],
  // chorus (8 bars)
  [8, "<[C@2 A@2] [G@2 D@2] A!2 [C@2 A@2] [G@2 D@2] A!2>"],
  // trans (4 bars)
  [4, "<E7#9!4>"],
  // verse (8 bars)
  [8, "<E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9 [C@2 D@2] E7#9!2>"],
  // chorus (8 bars)
  [8, "<[C@2 A@2] [G@2 D@2] A!2 [C@2 A@2] [G@2 D@2] A!2>"],
  // chorus (8 bars)
  [8, "<[C@2 A@2] [G@2 D@2] A!2 [C@2 A@2] [G@2 D@2] A!2>"],
  // coda (9 bars)
  [9, "<A!9>"],
)
const bassline = arrange(
  [6, "<e2!5 [e2@2 ~@2]>"],
  [8, "<e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2!2>"],
  [4, "<e2!4>"],
  [8, "<e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2!2>"],
  [8, "<[c2@2 a2@2] [g2@2 d2@2] a2!2 [c2@2 a2@2] [g2@2 d2@2] a2!2>"],
  [2, "<e2!2>"],
  [8, "<e2!8>"],
  [8, "<[c2@2 a2@2] [g2@2 d2@2] a2!2 [c2@2 a2@2] [g2@2 d2@2] a2!2>"],
  [4, "<e2!4>"],
  [8, "<e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2 [c2@2 d2@2] e2!2>"],
  [8, "<[c2@2 a2@2] [g2@2 d2@2] a2!2 [c2@2 a2@2] [g2@2 d2@2] a2!2>"],
  [8, "<[c2@2 a2@2] [g2@2 d2@2] a2!2 [c2@2 a2@2] [g2@2 d2@2] a2!2>"],
  [9, "<a2!9>"],
)

// 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)