// Crying Time — Ray Charles
// 66 bpm, 4/4, key Ab major. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(66/4)

const chords = arrange(
  // chorus (8 bars)
  [8, "<Ab Eb7 [Bbm7@2 Eb7@2] Ab Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // verse (8 bars)
  [8, "<Ab Eb7!2 Ab Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // chorus (8 bars)
  [8, "<Ab Eb7 [Bbm7@2 Eb7@2] Ab Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // interlude (4 bars)
  [4, "<Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // verse (8 bars)
  [8, "<Ab Eb7!2 Ab Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // chorus (8 bars)
  [8, "<Ab Eb7 [Bbm7@2 Eb7@2] Ab Ab7 Db [Ebsus@2 Eb7@2] [Ab Db Ab@2]>"],
  // outro (3 bars)
  [3, "<[Ebsus@2 Eb7@2] Db Ab>"],
)
const bassline = arrange(
  [8, "<ab2 eb2 [bb2@2 eb2@2] ab2!2 db2 eb2 [ab2 db2 ab2@2]>"],
  [8, "<ab2 eb2!2 ab2!2 db2 eb2 [ab2 db2 ab2@2]>"],
  [8, "<ab2 eb2 [bb2@2 eb2@2] ab2!2 db2 eb2 [ab2 db2 ab2@2]>"],
  [4, "<ab2 db2 eb2 [ab2 db2 ab2@2]>"],
  [8, "<ab2 eb2!2 ab2!2 db2 eb2 [ab2 db2 ab2@2]>"],
  [8, "<ab2 eb2 [bb2@2 eb2@2] ab2!2 db2 eb2 [ab2 db2 ab2@2]>"],
  [3, "<eb2 ab2!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)