// Count On Me — Jefferson Starship
// 112 bpm, 4/4, key A major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(112/4)

const chords = arrange(
  // intro (7 bars)
  [7, "<[~ E F#m E] A E D F#7 Bm7 E>"],
  // verse (12 bars)
  [12, "<A E D F#7 Bm7 E A E D F#7 Bm7 E>"],
  // chorus (10 bars)
  [10, "<[A@2 D@2] E [A@2 D@2] E [A@2 D@2] E [A@2 D@2] E D!2>"],
  // verse (12 bars)
  [12, "<A E D F#7 Bm7 E A E D F#7 Bm7 E>"],
  // chorus (12 bars)
  [12, "<[A@2 D@2] E [A@2 D@2] E [A@2 D@2] E [A@2 D@2] E D!2 C#!2>"],
  // bridge (4 bars)
  [4, "<F#m!2 Bm7 E>"],
  // solo (6 bars)
  [6, "<A E D F#7 Bm7 E>"],
  // verse (12 bars)
  [12, "<A E D F#7 Bm7 E A E D F#7 Bm7 E>"],
  // chorus (8 bars)
  [8, "<[A@2 D@2] E [A@2 D@2] E [A@2 D@2] E [A@2 D@2] E>"],
  // fadeout (8 bars)
  [8, "<[A@2 D@2] E [A@2 D@2] E [A@2 D@2] E [A@2 D@2] E>"],
)
const bassline = arrange(
  [7, "<[~ e2 f#2 g#2] a2 e2 d2 f#2 b2 e2>"],
  [12, "<a2 e2 d2 f#2 b2 e2 a2 e2 d2 f#2 b2 e2>"],
  [10, "<[a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 d2!2>"],
  [12, "<a2 e2 d2 f#2 b2 e2 a2 e2 d2 f#2 b2 e2>"],
  [12, "<[a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 d2!2 c#2!2>"],
  [4, "<f#2!2 b2 e2>"],
  [6, "<a2 e2 d2 f#2 b2 e2>"],
  [12, "<a2 e2 d2 f#2 b2 e2 a2 e2 d2 f#2 b2 e2>"],
  [8, "<[a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2>"],
  [8, "<[a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@2 d2@2] e2 [a2@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)