// Lady — Kenny Rogers
// 69 bpm, 4/4, key Eb minor. Source: mcgill.
// Generated by strudelify. One cycle = one bar.
setcpm(69/4)

const chords = arrange(
  // intro (2 bars)
  [2, "<Ebm!2>"],
  // verse (13 bars)
  [13, "<Ebm [Abm@2 Db@2] Ebm [Abm@2 Db@2] [Db@2 Ebm@2] Ebm!2 [Ebm@2 Abm@2] [Db@2 Ebm@2] [Ebm@2 Abm@2] Db Ebm!2>"],
  // chorus (9 bars)
  [9, "<Abm [Bbm@2 Ebm@2] [Cb@2 Bbm@2] [Ebsus@2 Eb@2] Abm [Bbm@2 Ebm@2] [Cb@2 Bbm@2] Ebsus Eb>"],
  // verse (13 bars)
  [13, "<Ebm [Abm@2 Db@2] Ebm [Abm@2 Db@2] [Db@2 Ebm@2] Ebm!2 [Ebm@2 Abm@2] [Db@2 Ebm@2] [Ebm@2 Abm@2] Db Ebm!2>"],
  // chorus (9 bars)
  [9, "<Abm [Bbm@2 Ebm@2] [Cb@2 Bbm@2] [Ebsus@2 Eb@2] Abm [Bbm@2 Ebm@2] [Cb@2 Bbm@2] Ebsus Eb>"],
  // bridge (15 bars)
  [15, "<Cb Db7 [Gb@2 Db@2] Ebm Cb Db7 [Gb@2 Db@2] Ebm Cb Db7 [Gb@2 Db@2] Ebm [Cb Bbm Abm@2] Db7sus ~>"],
  // coda (3 bars)
  [3, "<Ebm [Ab@2 Db@2] Ebm>"],
)
const bassline = arrange(
  [2, "<eb2!2>"],
  [13, "<eb2!13>"],
  [9, "<ab2 [bb2@2 eb2@2] [b2@2 bb2@2] eb2 ab2 [bb2@2 eb2@2] [b2@2 bb2@2] eb2!2>"],
  [13, "<eb2!13>"],
  [9, "<ab2 [bb2@2 eb2@2] [b2@2 bb2@2] eb2 ab2 [bb2@2 eb2@2] [b2@2 bb2@2] eb2!2>"],
  [15, "<b2!2 [gb2@2 f2@2] [eb2@2 db2@2] b2!2 [gb2@2 f2@2] [eb2@2 db2@2] b2!2 [gb2@2 f2@2] [eb2@2 db2@2] [b2 bb2 ab2@2] db2 ~>"],
  [3, "<eb2!3>"],
)

// 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)