// papers please theme — Lucas Pope
// 117 bpm, 4/4, key F major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Transcription provider: pdmx. https://musescore.com/score/4820779; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 47 bars on a 24-step grid, each part at one level. Source detail keeps the original performance.
setcpm(117/4)

// Notation: c3@3 lasts 3 steps · ~ is a rest · [c3,e3] is a chord.
// A part's distinct bars are riffs (A, B, C...) played in order: edit a riff to change every repeat.

// other · piano · "Piano, Dark Piano (MIDI) (MIDI) (MIDI)"
const piano = note("<A@6 B@4 A@6 B@4 A@2 C@2 D@2 E F A@2 C@2 D@2 E F G H I J G H I J K L M>".pickRestart({
  A: "[d2,d3]@11 ~ a2@11 ~", B: "[f2,f3]@11 ~ c3@11 ~", C: "[e2,e3]@11 ~ a2@11 ~", D: "[f2,f3]@11 ~ a2@11 ~",
  E: "[bb1,bb2] ~ [g1,g2] ~", F: "[db2,db3] ~ [a1,a2] ~", G: "d2 f2 d2 f2", H: "e2 g2 e2 g2", I: "f2 a2 f2 a2",
  J: "[d2,d3]@2 [d2,d3] ~@3 [db2,db3]@2 [db2,db3] ~@3", K: "d2@6 e2@6 [f2,a2]@11 ~", L: "d2@11 ~ [db2,e2]@11 ~",
  M: "[d2,f2]@23 ~", // Dm
})).s("gm_piano").gain(0.4)

stack(piano)