// There Goes My Everything — Elvis Presley
// 84 bpm, 3/4, key Ab major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(84/3)

const chords = arrange(
  // intro (1 bars)
  [1, "<[Eb Db Eb7]>"],
  // intro (8 bars)
  [8, "<Ab [Ab7 Bbm Ab7] Db [Db Cm Bbm] Ab Eb7 Ab!2>"],
  // verse (16 bars)
  [16, "<Ab Db Ab!3 Eb7 Ab!3 Db Ab!3 Eb7 Ab!2>"],
  // chorus (16 bars)
  [16, "<Ab Eb7 Ab Ab7 Db Eb7 Ab!3 [Ab7 Bbm Ab7] Db [Db Cm Bbm] Ab Eb7 Ab!2>"],
  // verse (16 bars)
  [16, "<Ab Db Ab!3 Eb7 Ab!3 Db Ab!3 Eb7 Ab!2>"],
  // chorus (16 bars)
  [16, "<Ab Eb7 Ab Ab7 Db Eb7 Ab!3 [Ab7 Bbm Ab7] Db [Db Cm Bbm] Ab Eb7 Ab!2>"],
  // outro (8 bars)
  [8, "<Ab [Ab7 Bbm Ab7] Db [Db Cm Bbm] Ab Eb7 Db Ab>"],
)
const bassline = arrange(
  [1, "<[eb2 f2 g2]>"],
  [8, "<ab2 [ab2 bb2 c2] db2 [db2 c2 bb2] ab2 eb2 ab2!2>"],
  [16, "<ab2 db2 ab2!3 eb2 ab2!3 db2 ab2!3 eb2 ab2!2>"],
  [16, "<ab2 eb2 ab2!2 db2 eb2 ab2!3 [ab2 bb2 c2] db2 [db2 c2 bb2] ab2 eb2 ab2!2>"],
  [16, "<ab2 db2 ab2!3 eb2 ab2!3 db2 ab2!3 eb2 ab2!2>"],
  [16, "<ab2 eb2 ab2!2 db2 eb2 ab2!3 [ab2 bb2 c2] db2 [db2 c2 bb2] ab2 eb2 ab2!2>"],
  [8, "<ab2 [ab2 bb2 c2] db2 [db2 c2 bb2] ab2 eb2 db2 ab2>"],
)

// 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]").gain(0.8)

stack(keys, bass, drums)