// Die Zauberflöte K.620 — W. A. Mozart
// 90 bpm, 4/4, key C major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Transcription provider: pdmx. https://musescore.com/score/5946841; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 99 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(90/4)

// Notation: c3@3 lasts 3 steps · ~ is a rest · [c3,e3] is a chord · "a, b" plays two voices at once · [...]/2 spreads a riff over 2 bars.
// A part's distinct bars are riffs (A, B, C...) played in order: edit a riff to change every repeat.

// chords · piano
const piano = note(`<
  A B C D E F G H@2 I J K L M N O P Q R S T U T V W X Y Z AA AB AC AD AE AF AG W X Y Z AA AH AI AJ AK AL AM AN@2 AO AP
  AQ AR AS AT AS AT AS AT AU AV AW AX AW AX AY AZ BA@2 BB BC BB BC BD BE BF BE BG BH BI BJ BK BL BM BN ~ BO BP BQ BR BS
  BT BU BV BW ~ BX BY BZ CA
>`.pickRestart({
  A: "[c3,e3] a3 [c3,e3] a3 [c3,e3] a3 [c3,e3] a3 [c3,e3] a3 [c3,e3] a3 [c3,e3] a3 [c3,e3] a3", // C
  B: "[e3,f#3] a3@3 e3@4 c3@4 a2@4, [a4,c5,e5,a5], ~ g#3 ~@14", // Esus2 Am
  C: "[a2,c4,a4] a2 [a2,a3,c4,e4] a2 [a2,e4,a4,c5] a2 [a2,d4,g#4,b4] a2", // Am G#dim
  D: "a2@2 a2@2 a2@2 a2@2 a2@2 a2@2 b4 a4 g#4 a4, [c4,a4]@2 ~@2 c5@2 a2!2", // F
  E: "b2@2 b2@2 b2@2 b2@2 b2@2 b2@2 c5 b4 a4 b4, [b3,d4,g#4]@2 ~@2 d5@2 b2!2", // G#dim
  F: "c3@2 c3@2 c3@2 c3@2 c3@2 c3@2 d5 c5 b4 a4, [c4,e4,a4]@2 ~@2 e5@2 c3!2", G: "[d3,d4,f4,a#4]!4 [e3,e4,g4,c#5]!4",
  H: "[[f3,f4,a4,d5]!2 [c#3,a4,e5]!2 [d3,a4,f5] d3!2 [d3,a4] [d3,b4] [d3,b4,f5] [d3,f4,d5]!2 [d3,d4,a#4]!2 [d#3,c4,f#4,a4]!2, ~@5 [a4,f5]@2 f5@2 ~@7]/2", // Dm A Dm D5 G Bdim Dm Gm …
  I: "[e3,b3,e4,g#4] [e3,g5] [d#3,f#5,a5] [d3,f5,b5]", J: "c3!4 [c3,e4] c3 [c3,g4] c3, [e5,c6] [e3,c4] ~@2",
  K: "[c3,c5] c3 [c3,e4] c3 [c3,g4] c3 [c3,c5] c3", L: "[c3,e5] [c3,d5] c3!6, ~@4 c5 ~ b4 ~ a4 ~ g4 ~ f4 ~ e4 ~",
  M: "[c3,f4] [c3,d4] [c3,f4] [c3,a4] [c3,d5] [c3,f4] [c3,a4] [c3,d5]", // F5 Csus2 F5 F Csus2 F5 F Csus2
  N: "[b2,f5] [b2,e5] b2!6, ~@4 d5 ~ c5 ~ b4 ~ a4 ~ g4 ~ f4 ~", // Bdim E5
  O: "[a#2,e4] [a#2,c4] [a#2,e4] [a#2,g4] [a#2,c5] [a#2,e5] [a#2,g5] [a#2,c5]", P: "[a2,f4,a4,c5,f5] f4 a4 c5",
  Q: "[a3,c5,f5]!4 [g3,c5,e5]!4", // F C
  R: "[c4,d#5] ~ f#3@2 f#3@2 [f#3,d#4,c5]@2 [c4,d#5] ~ f#3@2 f#3@2 [f#3,d#4,c5]@2, f#3 [c4,d#5]@2 ~ f#3 [c4,d#5]@2 ~", // Cm Cdim Cm Cdim Cm
  S: "[g3,d4,b4] g3 f#3 g3 f#3 g3 f3 [d3,b3,g4]", // G
  T: "e3 ~ g3 ~ e3 ~ [c3,c5,d5] [b4,c5] b2 ~ d3 ~ b2 ~ [g2,c5,d5] [b4,d5], c5@3 ~ d5@3 ~, g4@2 ~ e4 g4@2 ~ b3", // Csus2 Cmaj7 Gsus4 Bm
  U: "[c3,c4,e5] g3 f#3 g3 f#3 g3 f3 [d3,a3,e5]", // C Dsus2
  V: "[c4,e5]@2 [c4,e5] ~ [c4,e5] ~ [c4,e5] ~ [c4,e5] ~ [c4,e5] ~ [c4,e5] ~ [c4,e5] ~, c3 ~@3, ~ g4!7", // C
  W: "d5@2 [b4,g5] ~ [b4,g5] ~ [b4,g5] ~ [b4,d5,g5] ~ [b4,d5,g5] ~ [b4,d5,g5] ~ [b4,d5,g5] ~, [b3,g4] ~, ~ d5!3 ~@4", // Em G Em
  X: "~ [e4,c5]!7, [a4,e5,c6] ~, ~@2 a3 ~ a3 ~ a3 ~ a3 ~ a3 ~ a3 ~ a3 ~", // C Am
  Y: "b4@2 [g4,e5] ~ [g4,e5] ~ [g4,e5] ~ [g4,b4,e5] ~ [g4,b4,e5] ~ [g4,b4,e5] ~ [g4,b4,e5] ~, [g3,e4] ~, ~ b4!3 ~@4", // C Em C
  Z: "a4 [c4,a4]!7, [e5,c6] ~, ~@2 f3 ~ f3 ~ f3 ~ f3 ~ f3 ~ f3 ~ f3 ~", AA: "[e3,c4,g4] ~ [b3,d4,g4] ~",
  AB: "[c4,e4,g4]@2 ~@2 [c5,e5,g5] ~ [c5,e5,g5] ~", AC: "[c5,e5,g5]@2 ~@2 [c5,e5,g5] ~ [c5,e5,g5] ~",
  AD: "[c5,e5,g5]@2 ~@2 [a3,c4,e4,c5]!4", AE: "[f3,e4,a4,d5]!4 [d3,a4,d5,f5]!4",
  AF: "[g3,b3,d4,g4] g3!3 g2 [g2,b3,d4,g4] [g2,c4,e4,a4] [g2,d4,f4,b4], ~ [b3,d4,g4]@2 [b3,d4,g4]@2 ~@3", // G Am7 G7 G
  AG: "[c4,e4,c5]@2 [c4,g4,e5] ~ [c4,g4,e5] ~ [c4,g4,e5] ~ [c4,g4,e5] ~ [c4,g4,e5] ~ [c4,g4,e5] ~ [c4,g4,e5] ~, c3 ~@3", // C
  AH: "[c4,e4,g4]@2 ~@2 [c5,e5,g5] ~ [c5,f5,a5] ~", AI: "[c5,e5,g5] ~ [c5,e5,g5] [c5,f5,a5]",
  AJ: "[c5,e5,g5]@2 ~@2 [e3,g4,c5]!4", AK: "[f3,a4,c5,d5]!4 [f#3,a4,c5,d#5]!4",
  AL: "[g3,g4,c5,e5]!2 [g3,e4,g4]!2 [e3,e4,g4,c5]!2 [c3,c4,c5,e5]!2", // C
  AM: "[g2,e5,g5]@4 [g4,c5,e5]@3 [g4,c5,e5] [g2,f4,b4,d5,g5]@4 [f4,b4,d5,g5]@3 [f4,b4,d5,g5]", // C G7
  AN: "c5 g4 a4 b4 c5 d5 e5 f5 g5 f5 e5 d5 e5 d5 c5 b4, c3 ~@2 g2",
  AO: "c5!2 e5!2 a4!2 c5!2 f4!2 a4!2 d4!2 f4!2, c3@2 a3 c4 f3 a3 d3 f3",
  AP: "[b2,b3] [c3,e4,g4,c5,e5] [f2,f4,a4,d5] [g2,d4,g4,b4,d5]", // B C Dm G
  AQ: "~ c6 ~ c6 c5 c6 c5 c6 c5 c6 c5 c6 c5 c6 c5 c6, [c2,c4,e4,g4] ~@3, c5!2 ~@6", // C
  AR: "~ [c3,e3] [d3,f3] [e3,g3] [f3,a3] [e3,g3] [f3,a3] [d3,g3], [a4,c5,c6]", AS: "e3 e4 f4 g4 a4 g4 a4 f4, c3 ~@3",
  AT: "e4 [c3,e3] [d3,f3] [e3,g3] [f3,a3] [e3,g3] [f3,a3] [d3,g3], [a4,c5,c6]", // C Dm Em F Em F G5 Am
  AU: "[e3,g3] a#4 [e3,g3] a#4 [e3,g3] a#4 [e3,g3] a#4 [e3,a#3] g4 [e3,a#3] g4 [e3,a#3] g4 [e3,a#3] g4, c#3!8", // Em Edim
  AV: "[g3,a3] e4 [g3,a3] e4 [g3,a3,e4]!4 [g3,a3] a4 [g3,a3] a4 [g3,a3] a4 [g3,a3] a4, c#3!8", // Gsus2 A7 Gsus2
  AW: "f3@2 [d4,f4] ~ [e4,g4] ~ [f4,a4] ~ [g4,a#4] ~ [f4,a4] ~ [g4,a#4] ~ [e4,g4] ~, d3 ~@3", // Dm Em F Gm F Gm Em
  AX: "[d4,f4] [d3,f3] [e3,g3] [f3,a3] [g3,a#3] [f3,a3] [g3,a#3] [e3,g3]", // Dm Em F Gm F Gm Em
  AY: "[f#3,a3] c4 [f#3,a3] c4 [f#3,a3] c4 [f#3,a3] c4 [f#3,c4] a4 [f#3,c4] a4 [f#3,c4] a4 [f#3,c4] a4, d#3!8", // F#m F#dim
  AZ: "[a3,b3] f#4 [a3,b3] f#4 [a3,b3] f#4 [a3,b3] f#4 [a3,b3] b4 [a3,b3] b4 [a3,b3] b4 [a3,b3] b4, d#3!8", // Asus2
  BA: "[e3!2 ~ e3 b2 e3 g#2 b2 [e2,g3,b3,e4]@2 [e3,b3]@2 [e3,g#3,b3]@2 [e3,g#3,b3]@2, [g#3,e4] [g#3,b3,e4]@2 g#3@2 ~@3, ~@3 [b3,e4] ~@4]/2", // Em E5 E C#m E E5
  BB: "e3 [e3,a3,c4]!3", BC: "e2 [e3,g#3,b3]!3", BD: "c4@2 a4 ~ c5 ~ e5 ~ a3@2 e5 ~ a3@2 d5 ~, a2@4 ~@4 a5 ~@3 f5 ~@3",
  BE: "[a3,e5]@2 ~@2 [a3,c4,e4] ~ [a3,d4,f4] ~", BF: "c4 ~ a4 ~ c5 ~ e5 ~ a3@2 e5 ~ a3@2 d5 ~, a3@4 ~@4 a5 ~@3 f5 ~@3",
  BG: "[a3,c4,e4]@2 ~@4 [c4,e4,a4] ~", BH: "[c4,f4,a4] ~ [g3,d4,g4] ~ [c4,e4,g4] ~ [a3,c4,f4] ~",
  BI: "[b3,d4,f4] ~ [g#3,b3,f4] ~ [a3,c4,e4]@2 ~@2", // Bdim Fdim Am
  BJ: "f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3, d3!8",
  BK: "f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3 f3 a#3 f#3 a3 f#3 a3, d3!6 d#3!2",
  BL: "[e3,g#3,g#4] [e3,e4,g#4,b4,e5] [e2,e4,g#4,b4,e5] ~", BM: "~ [e3,e4,g#4,b4,e5] [e2,e4,g#4,b4,e5] ~",
  BN: "~ [e3,g#4,b4,e5,g#5] [e2,g#4,b4,e5,g#5] ~", BO: "~ [d3,a4] [b2,g#4] [a2,a4,d5,f5], ~ [d5,f5]@2 ~",
  BP: "[b4,d5,e5] ~, g#2 ~@3", BQ: "~@6 [e2,e4] [f#2,g#2,f#4,g#4] [a2,a4]@8",
  BR: "~@6 [g#2,g#4] [a2,b2,a4,b4] [c3,c5]@8", BS: "~ [d#3,a5,c6]",
  BT: "d3!2 d#3!2 d3!2 d#3!2, [a#5,d6] [a5,c6] [a#5,d6] [a5,c6]", BU: "[d3,a#5,d6] ~@3",
  BV: "~@7 [d3,b4,f5,g#5,b5] [d3,b4,f5,g#5,b5]@4 ~@3 [d#3,c5,f#5,a5,c6]", BW: "[d#3,c5,f#5,a5,c6] ~",
  BX: "~ [e3,b4,d5,g#5]", BY: "a5 g#5 a5 b5 c6 c#6 d6 d#6, f3@3 f#3", BZ: "[e3,e6] ~ [e3,g#4,e5] ~",
  CA: "[a2,a4,c5,e5,a5] ~", // Am
})).s("gm_piano").gain(0.25)

stack(piano)