// Getaway — Earth, Wind & Fire
// 113 bpm, 4/4, key F major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(113/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<Fm!4>"],
  // chorus (8 bars)
  [8, "<F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] Db^7 Fm>"],
  // verse (12 bars)
  [12, "<F7#9!12>"],
  // bridge (5 bars)
  [5, "<[Bbm7@2 Ab@2] [Db^9@2 C7#9@2] [Bbm7@3 Cm7] [Cm7 Dm7 Cm7 Dm7] [Dm7 Em7 ~@2]>"],
  // chorus (8 bars)
  [8, "<F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] Db^7 Fm>"],
  // verse (12 bars)
  [12, "<F7#9!12>"],
  // bridge (5 bars)
  [5, "<[Bbm7@2 Ab@2] [Db^9@2 C7#9@2] [Bbm7@2 Cm7@2] Fm7!2>"],
  // verse (8 bars)
  [8, "<F7#9!8>"],
  // bridge (7 bars)
  [7, "<[Bbm7@2 Ab@2] [Db^9@2 C7#9@2] [Bbm7@3 Cm7] [Cm7 Dm7 Cm7 Dm7] [Dm7 Em7 Fm7@2] Fm7 [Fm7@2 ~@2]>"],
  // chorus (20 bars)
  [20, "<F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm]>"],
  // outro (12 bars)
  [12, "<F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm]>"],
  // fadeout (6 bars)
  [6, "<F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm] F7#9 [F7#9@2 Bbm Cm]>"],
)
const bassline = arrange(
  [4, "<f2!4>"],
  [8, "<f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] db2 f2>"],
  [12, "<f2!12>"],
  [5, "<[bb2@2 ab2@2] [db2@2 c2@2] [bb2@3 c2] [c2 d2 c2 d2] [d2 e2 ~@2]>"],
  [8, "<f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] db2 f2>"],
  [12, "<f2!12>"],
  [5, "<[bb2@2 ab2@2] [db2@2 c2@2] [bb2@2 c2@2] f2!2>"],
  [8, "<f2!8>"],
  [7, "<[bb2@2 ab2@2] [db2@2 c2@2] [bb2@3 c2] [c2 d2 c2 d2] [d2 e2 f2@2] f2 [f2@2 ~@2]>"],
  [20, "<f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2]>"],
  [12, "<f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2]>"],
  [6, "<f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2] f2 [f2@2 bb2 c2]>"],
)

// 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)