// Little Sister — Elvis Presley
// 139 bpm, 4/4, key E major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(139/4)

const chords = arrange(
  // intro (4 bars)
  [4, "<E!4>"],
  // chorus (13 bars)
  [13, "<E!5 A!2 E!2 B [C@2 B@2] E!2>"],
  // verse (9 bars)
  [9, "<E!6 ~ E ~>"],
  // chorus (12 bars)
  [12, "<E!4 A!2 E!2 B [C@2 B@2] E!2>"],
  // verse (9 bars)
  [9, "<E!6 ~ E ~>"],
  // chorus (12 bars)
  [12, "<E!4 A!2 E!2 B [C@2 B@2] E!2>"],
  // verse (21 bars)
  [21, "<E!6 ~ E ~ E!4 A!2 E!2 B [C@2 B@2] E!2>"],
  // outro (4 bars)
  [4, "<B [C@2 B@2] E!2>"],
  // fadeout (4 bars)
  [4, "<B [C@2 B@2] E!2>"],
)
const bassline = arrange(
  [4, "<e2!4>"],
  [13, "<e2!5 a2!2 e2!2 b2 [c2@2 b2@2] e2!2>"],
  [9, "<e2!6 ~ e2 ~>"],
  [12, "<e2!4 a2!2 e2!2 b2 [c2@2 b2@2] e2!2>"],
  [9, "<e2!6 ~ e2 ~>"],
  [12, "<e2!4 a2!2 e2!2 b2 [c2@2 b2@2] e2!2>"],
  [21, "<e2!6 ~ e2 ~ e2!4 a2!2 e2!2 b2 [c2@2 b2@2] e2!2>"],
  [4, "<b2 [c2@2 b2@2] e2!2>"],
  [4, "<b2 [c2@2 b2@2] e2!2>"],
)

// 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)