// Herz und Mund und Tat und Leben BWV 147 — J. Sebastian Bach
// 60 bpm, 3/4, key G major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Transcription provider: pdmx. https://musescore.com/score/114104; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 17 bars on a 48-step grid, each part at one level; ghost notes are separate "_soft" parts. Source detail keeps the original performance.
setcpm(60/3)

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

// other · flute
const flute = note("<~@4 A B C D E F G ~@2 A B H ~>".pickRestart({
  A: "g4@2 c4", B: "b4 e4@2", C: "c4 c#4 d4", D: "g4", E: "g4 f#4 e4", F: "d4 e4 f#4", G: "e4 f#4 g4", H: "c4@2 d4",
})).s("gm_flute").gain(0.3)

// other · flute · soft notes
const flute_soft = note("<A B C D ~@7 E D ~@3 A>".pickRestart({
  A: "g4@2 c4", B: "b4 e4@2", C: "a4@16 b4@11 g4@5 c4@16", D: "d4@2 f#4", E: "f#4 d4@2",
})).s("gm_flute").gain(0.2)

stack(flute, flute_soft)