// Going To A Go-Go — The Rolling Stones
// 128 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(128/4)

const chords = arrange(
  // intro (8 bars)
  [8, "<~!4 [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // chorus (8 bars)
  [8, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // verse (8 bars)
  [8, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // chorus (12 bars)
  [12, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 D@2] [A@2 E@2] [E@2 D@2] E [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // verse (8 bars)
  [8, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // chorus (8 bars)
  [8, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 D@2] [A@2 E@2] [E@2 D@2] E>"],
  // solo (16 bars)
  [16, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // chorus (8 bars)
  [8, "<[E@2 D@2] [A@2 E@2] [E@2 D@2] E [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // verse (8 bars)
  [8, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus>"],
  // chorus (12 bars)
  [12, "<[E@2 E9sus@2] E9sus [E@2 E9sus@2] E9sus [E@2 D@2] [A@2 E@2] [E@2 D@2] E [E@2 D@2] [A@2 E@2] [E@2 D@2] E>"],
)
const bassline = arrange(
  [8, "<~!4 e2!4>"],
  [8, "<e2!8>"],
  [8, "<e2!8>"],
  [12, "<e2!4 [e2@2 d2@2] [a2@2 e2@2] [e2@2 d2@2] e2!5>"],
  [8, "<e2!8>"],
  [8, "<e2!4 [e2@2 d2@2] [a2@2 e2@2] [e2@2 d2@2] e2>"],
  [16, "<e2!16>"],
  [8, "<[e2@2 d2@2] [a2@2 e2@2] [e2@2 d2@2] e2!5>"],
  [8, "<e2!8>"],
  [12, "<e2!4 [e2@2 d2@2] [a2@2 e2@2] [e2@2 d2@2] e2 [e2@2 d2@2] [a2@2 e2@2] [e2@2 d2@2] e2>"],
)

// 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)