// River Flows in You — YIRUMA
// 65 bpm, 4/4, key A major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: metre changes (4/4 at bar 1, 5/4 at bar 20, 4/4 at bar 21) are rendered on a constant 4/4 grid of one bar per cycle
// note: Transcription provider: pdmx. https://musescore.com/score/5103729; license: https://creativecommons.org/publicdomain/mark/1.0/
// note: Full arrangement: all 46 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(65/4)

// 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(`<
  ~@2 A@2 B C D E F G H I J K L M N O P Q@2 R S T U@2 V W X@2 Y Z AA AB AC AD AE@3 AF@2 AG@3 AH@2
>`.pickRestart({
  A: "[f#3@2 c#4@2 f#4@4 d3@2 a3@2 e4@18 a4 c#5]/2",
  B: "[f#3,a5]@2 g#5 ~@2 a4 g#5 ~@2 a4 e5 ~@2 a4 d5 a4, ~ c#4 f#4@2 d3 a3 e4 d3, ~@3 a5@2 ~@2 a5@2 ~@2 a5@2 ~@3", // F#m
  C: "[a2,c#5]@2 [e3,d5]@2 [a4,e5]@2 c#5@2 e3@2 b3@2 ~@2 a4 g#4, b4 ~@3 c#4@4 [g#4,b4]@6 ~@2, ~@3 e4", // A E7 A5 G#m
  D: "f#3@2 c#4@2 ~ e4 a4 b4 d3@2 a3@2 ~@2 c#5 d5, a4@2 f#4@2 c#5@3 ~, ~@3 e4",
  E: "a2@2 e3@2 ~@2 d5 c#5 e3@2 b3@2 g#4@4, e5@3 ~ b4@4, ~ c#4 ~@2",
  F: "f#3 c#4 [f#4,a4,e5]@2 d3 a3 e4 d3, [c#5,f#5] ~ [c#5,f#5] [a4,e5]", // F#m7 F#5 A5
  G: "a2 e3 c#4 a2 e3 b3 [e4,b4,f#5]@2, [c#5,a5] [a4,e5] [b4,e5] ~", // Esus2 F#m A5 E5
  H: "[f#3,a4] [c#4,f#4] a4 c#5 [d3,e4] [b3,f#4] a4 d5, ~ f#4 ~ e4", // F#m F#5 Dsus2 B5
  I: "[a2,e4]@2 [e3,a4]@2 c#5@2 a4@2 [e3,d5]@2 [b3,g#5]@2 a5 b5 a5 g#5, ~ c#4 ~ e4", // A5 E7 E
  J: "a5 a4 e5 a4 a5 b5 a5 g#5 a5 a4 e5 a4 a5 b5 a5 g#5, f#3 c#4 f#4 f#3 d3 a3 e4 d3",
  K: "a5 b5 c#6 d6 e6 c#6 b5 a5 [e3,g#5]@2 [b3,b4]@2 e4@2 e3@2, a2 e3 c#4 a2 ~@4", // E B
  L: "[f#3,a4] [c#4,f#4] [e4,a4] [f#3,c#5] [d3,a4] [b3,f#4] [e4,a4] [d3,d5]", // F#m F#5 A5 F#5 D5 B5 A5 D
  M: "[a2,a4] [e3,e4] [c#4,a4] [a2,c#5] [e3,b4] [b3,e4] [e4,g#4] [e3,e5]", // A E F#m A E5 E
  N: "[c#5,f#5] [a4,e5] [c#5,f#5] [a4,e5] [c#5,f#5] [a4,e5] [c#5,f#5] [a4,e5] [c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5], f#2 c#3 f#3 f#2 d3 a3 c#4 d3", // F#5 A5 F#5 A5 F#5 A5 F#5 A5 …
  O: "[c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5] [c#5,e5] [a4,c#5] [e2,b4,e5]@2 [b2,e4]@2 a5!2 [a5,b5] g#5, a2 e3 c#4 a2 ~@2 g#3 e2", // C#m A C#m A C#m A C#m A …
  P: "a5 a4 e5 a4 a5!2 [a5,b5] g#5 a5 a4 e5 a4 a5 b5 a5 g#5, f#2 c#3 f#3 f#2 d3 a3 e4 d3", // Asus2
  Q: "[a5 b5 c#6 d6 e6 c#6 b5 a5 [e2,g#5]@2 [b2,b4]@2 g#4@2 e4@4 ~@2 f#3@2 c#4@2 f#4@4 d3@2 a3@2, a2 e3 c#4 a2 ~@2 g#3@4 ~@6]/2", // E B
  R: "e4 d3 a2 e3 c#4 a2 e3 b3", S: "e4@4 f#3@2 c#4@6 ~ e4 a4 b4, ~@6 d3 a3",
  T: "[d4,c#5]@4 ~ e4 c#5 d5 c#4@2 a2@2 ~ e4 d5 c#5, ~@2 a2 e3 e5@2 e3 b3", // Dmaj7
  U: "[b4@2 g#4@2 [f#3,a5]@2 g#5 ~@2 a4 g#5 ~@2 a4 e5 ~@2 a4 d5 a4 [a2,c#5]@2 [e3,d5]@2 [c#4,e5]@2 [a2,c#6]@2 [e3,b5]@2 [b3,e5]@2, e4@4 c#5 ~ c#4@2 f#4@2 f#3@2 d3@2 a3@2 e4@2 d3@2 ~@12, ~@7 a5@2 ~@2 a5@2 ~@2 a5@2 ~@3 b4 ~@11]/2", // F#m A E7 C#m A E5
  V: "[e5,c#6] b5 a5 g#5 f#3@2 c#4@2 ~@2 a4 b4 c#5 e4 a4 b4, e4 e3 [e5,a5]@3 ~@3, ~@4 f#4@2 d3 a3", // C#m A5
  W: "d4@2 d3@2 ~ e4 c#5 d5 c#4@2 a2@2 ~ e4 d5 c#5, c#5@2 a2 e3 e5@2 e2 b2",
  X: "[g#3 e2 [f#2,a4] ~ f#4 [f#3,a4] [d3,a4] ~ e4 [d3,a4] [a2,c#4] ~ c#4 [a2,c#4] [e2,d4] [b2,d5], b4@2 ~ c#3 ~@3 a3 ~@3 e3 ~@4, ~@7 e5@3 ~@5 e5@3 ~@5 c#5@3 ~@6]/2", // F#m D5 A E7 Bm
  Y: "a5!2 [a5,b5] g#5 a5 a4 e5 a4 a5!2 [a5,b5] g#5 a5 a4 e5 a4, g#3 e2 f#2 c#3 f#4 f#3 d3 a3", // Asus2
  Z: "a5!2 [a5,b5] g#5 a5 b5 c#6 d6 e6 c#6 [b5,c#6] [a5,b5] g#5 a4 e5 a4, e4 d3 a2 e3 c#4 a2 e2 b2", // Asus2 Bsus2 Asus2
  AA: "a5!2 [a5,b5] g#5 a5 a4 e5 a4 a5 b5 a5 g#5 a5 a4 e5 a4, g#3 e2 f#2 c#3 f#4 f#3 d3 a3", // Asus2
  AB: "a5!2 [a5,b5] g#5 a5 b5 c#6 d6 e6 c#6 b5 a5 [e2,g#5]@2 [b2,b4]@2, e4 d3 a2 e3 c#4 a2 ~@2", // Asus2 E B
  AC: "g#3 e2 [f#2,a4] [c#3,f#4] [a3,f#4] [f#3,a4] [d3,f#4] [a3,d4]", // F#m F#5 D F#m D D5
  AD: "[d4,e4,f#4] [d3,a4] [a2,c#4,c#5] [e3,e4] [c#4,a4] [a2,c#5] [e2,e5] [b2,b4]", // D D5 A E F#m A E B
  AE: "[g#4 e4 [f#3,c#4,a4,e5]@4 d3 e4 f#4 e3!2 c#4 a3@2 [e4,g#4,b4,e5]@4 ~@4 d3 [a3,e4], g#3@2 ~@4 [a4,d5,f#5]@4 [b4,c#5,e5]@4 ~@4 [c#4,e4]@2 [e4,a4,c#5]@3 ~, ~@18 f#2 c#3@3 ~@2, ~@37 a4@3 ~@8]/3", // F#m7 E A5 D C#m7 C#m A
  AF: "[[e4,a4,d5]@2 [a2,e5] [e3,e4] [c#4,f#4,a4,c#5,e5]@2 ~ b3 e4@2 f#3 c#4 [f#4,a4,d5]@2 ~ a3, ~@3 a4@2 ~@2 [a4,e5], ~@3 e4 ~@4, ~@6 e3 ~@7 d3 ~, ~@13 [b4,e5]@7 [c#5,f#5]@4 ~@5 a5@3]/2", // Dsus2 A5 E F#m7 D A5 E5 F#5
  AG: "[~ d3 a2 e3 c#4@2 e3 b3 g#4@2 f#2 c#3 f#3@2 d3 a3 d4@2 a2 e3 c#4@2 e2 b2, [f#4,c#5] ~@2 g#4 ~ [f#4,a4,c#5,e5]@2 [f#4,a4,d5,e5]@2 ~@3, e4 ~ [e4,a4,b4,e5]@4 [e4,b4,e5]@4 ~@8 [e4,a4,b4,e5]@4 [e4,a4,b4,e5]@2, ~ f#5@3 ~@44]/3", // F#5 F#m7 D Esus4 E5 Esus4
  AH: "[[g#3,e4,g#4,b4,e5]@2 [f#2,c#5] [c#3,c#4] e4 a4 [f#4,c#5,a5]@4 ~@6, ~@2 f#3 ~@5]/2", // E F#5 C# F#m
})).s("gm_piano").gain(0.3)

stack(piano)