// Violin Concerto in D major Op.61 — Ludwig van Beethoven
// 200 bpm, 3/4, key G major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Tempo changes preserved in elapsed time; displayed bars use the dominant tempo.
// note: Transcription provider: pdmx. https://musescore.com/score/2577231; license: https://creativecommons.org/publicdomain/mark/1.0/
// note: Full arrangement: all 196 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(200/3)

// 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 · violin
const violin = note(`<
  A B C@2 D E F G H I J@2 K L M N B O P Q B R S T I U V W I X Y Z H I J@2 K L AA AB AC@2 AD@2 AE@2 AF AG AH AI AJ AK AL
  AM AN AO AP@2 AQ AR AS AT AU AV AW ~@13 AU AV AW ~@36 AX@8 AY@8 AZ@8 BA@6 BB@2 BC@8 BD@7 BE BF BG BH@8 BI BJ BK BL@2
  ~@8 BM@5 BN BO@2
>`.pickRestart({
  A: "e4@8 d#4@3 e4@5, [g3,b3]", B: "e4@8 d#4@3 e4@5, [g3,c4]",
  C: "[[a#3,c#4]@16 ~@5 f#4@3 e4@3 d#4@2 f#4@3, g4@21 ~@11, ~ [a3,c4]]/2", D: "[b3,e4]@5 [b3,f#4]@5 ~ [b3,g4]@5",
  E: "b4@5 a4@5 ~ [e4,g4]@5, f#4@11 ~@5", F: "[d#4,f#4]@11 a4@2 g4@3, ~@11 e4@5", G: "[d#4,f#4]@3 ~@8 b4@5",
  H: "e5@8 d#5@3 e5@5, [g4,b4]", I: "e5@8 d#5@3 e5@5, [g4,c5]",
  J: "[[a#4,c#5]@16 ~@5 f#5@3 e5@3 d#5@2 f#5@3, g5@21 ~@11, ~ [a4,c5]]/2", K: "[b4,e5]@5 [b4,f#5]@5 ~ [b4,g5]@5",
  L: "b5@5 a5@5 ~ [e5,g5]@5, f#5@11 ~@5", M: "[e5,g5]@11 [d#5,f#5]@5", N: "e5@5 ~@11", O: "[b3,d4,g4]",
  P: "f4@8 e4@3 f4@5, [a3,d4]", Q: "[d4,g4]", R: "g4@11 g4@5, [b3,d4]", S: "g4@11 f#4@5, [a3,d4]",
  T: "[b3,d4,g4]@5 ~@6 g4@5", U: "[b4,d5,g5]", V: "f5@8 e5@3 f5@5, [a4,d5]", W: "[d5,g5]",
  X: "[e4,e5]@5 ~@6 [e4,e5]@3 ~@2", Y: "[e4,e5]@11 [d#4,d#5]@5", Z: "[f#4,f#5]@11 b4@5",
  AA: "[d#5,f#5]@11 a5@2 g5@3, ~@11 e5@5", AB: "[d#5,f#5]@3 ~@8 b3@5", AC: "e4@8 d#4@3 e4@5",
  AD: "[[d4,c5]@16 c5@5 b4@3 a4@3 g#4@2 b4@3, f4, ~ d4]/2", AE: "[c4,e4,a4]@3 ~@2 b4@3 a4@3 g#4@2 b4@3, ~@5 [d4,f4]@11",
  AF: "[c4,e4,a4]@3 ~@2 a4@3 g#4@3 a4@2 b4@3", AG: "c5@3 d5@2 e5@3 d#5@3 e5@2 c5@3",
  AH: "b4@3 ~@2 b4@3 a#4@3 b4@2 g4@3", AI: "[d#4,f#4]@3 ~@2 b4@3 a#4@3 b4@2 f#4@3", AJ: "~@11 g#3@5, e4",
  AK: "a3@5 a3@3 b3@3 c4@2 a3@3, d#4", AL: "[g#3,e4]@5 ~@6 [e4,g#4]@5", AM: "a4@5 a4@3 b4@3 c5@2 a4@3, d#4",
  AN: "[e4,g#4]@5 ~@6 [g#4,e5]@5", AO: "a4@5 a4@3 b4@3 c5@2 a4@3, d#5",
  AP: "[g#4,e5]@3 ~@2 a4@3 b4@3 c5@2 a4@3, ~@5 d#5@11", AQ: "[g#4,e5]@5 ~@11", AR: "[e5,g#5]@5 ~@11",
  AS: "[e5,g#5,e6]@5 ~@11", AT: "e6@15 e4", AU: "[g3,e4]", AV: "d4@5 f4@5 ~ b3@5", AW: "c4@5 e4@5 ~ g4@5",
  AX: "[~@4 e4@8 d#4@2 e4@5 ~ e4@8 d#4@2 e4@5 ~ [a#3,c#4]@16 ~@5 f#4@3 e4@2 d#4@3 f#4@3 [b3,e4]@5 [b3,f#4]@5 [b3,g4]@5 ~ b4@5 a4@5 [e4,g4]@5 ~ [d#4,f#4]@10 a4@3 g4@3 [d#4,f#4]@3 ~@7 b4@2, ~@4 [g3,b3]@16 [g3,c4]@16 g4@21 ~@27 f#4@11 ~@15 e4@5 ~@13, ~@13 [a3,c4]@4 ~@15]/8", // A#m E5 B5 Em D#m G C5 Am
  AY: "[~@4 e5@8 d#5@2 e5@5 ~ e5@8 d#5@2 e5@5 ~ [a#4,c#5]@16 ~@5 f#5@3 e5@2 d#5@3 f#5@3 [b4,e5]@5 [b4,f#5]@5 [b4,g5]@5 ~ b5@5 a5@5 [e5,g5]@5 ~ [e5,g5]@10 [d#5,f#5]@5 ~ e5@5 ~@7, ~@4 [g4,b4]@16 [g4,c5]@16 g5@21 ~@27 f#5@11 ~@33, ~@13 [a4,c5]@4 ~@15]/8", // A#m E5 B5 Em D#m G C5 Am
  AZ: "[~@4 e4@8 d#4@2 e4@5 ~ [b3,d4,g4]@16 f4@8 e4@2 f4@5 ~ [d4,g4]@16 e4@8 d#4@2 e4@5 ~ g4@10 g4@5 ~ g4@10 f#4@5 ~ [b3,d4,g4]@5 ~@5 g4@2, ~ [g3,c4]@4 ~@4 [a3,d4]@4 ~@4 [g3,c4]@4 [b3,d4]@4 [a3,d4]@4 ~@3]/8", // G G5 G C5 D5 C5 Bm D5
  BA: "[~@4 e5@8 d#5@2 e5@5 ~ [b4,d5,g5]@16 f5@8 e5@2 f5@5 ~ [d5,g5]@16 e5@8 d#5@2 e5@5 ~ [e4,e5]@5 ~@5 [e4,e5]@2, ~ [g4,c5]@4 ~@4 [a4,d5]@4 ~@4 [g4,c5]@4 ~@3]/6", // G G5 E C5 D5 C5
  BB: "[~@4 [e4,e5]@10 [d#4,d#5]@5 ~ [f#4,f#5]@10 b4@2]/2", // E D# F#
  BC: "[~@4 e5@8 d#5@2 e5@5 ~ e5@8 d#5@2 e5@5 ~ [a#4,c#5]@16 ~@5 f#5@3 e5@2 d#5@3 f#5@3 [b4,e5]@5 [b4,f#5]@5 [b4,g5]@5 ~ b5@5 a5@5 [e5,g5]@5 ~ [d#5,f#5]@10 a5@3 g5@3 [d#5,f#5]@3 ~@7 b3@2, ~@4 [g4,b4]@16 [g4,c5]@16 g5@21 ~@27 f#5@11 ~@15 e5@5 ~@13, ~@13 [a4,c5]@4 ~@15]/8", // A#m E5 B5 Em D#m G C5 Am
  BD: "[~@4 e4@8 d#4@2 e4@5 ~ e4@8 d#4@2 e4@5 ~ [d4,c5]@16 c5@5 b4@3 a4@2 g#4@3 b4@3 [c4,e4,a4]@3 ~@2 b4@3 a4@2 g#4@3 b4@3 [c4,e4,a4]@3 ~@2 b4@3 a4@2 g#4@3 b4@3 [c4,e4,a4]@3 ~@2 a4@3 g#4@2 a4@2, ~@9 f4@8 ~@11, ~@52 d4@16 ~@5 [d4,f4]@11 ~@5 [d4,f4]@11 ~@12]/7", // D7 Am Dm
  BE: "~ b4@3 c5@2 d5@3 e5@3 d#5@2 e5@2", BF: "~ c5@3 b4@3 ~@2 b4@3 a#4@2 b4@2",
  BG: "~ g4@3 [d#4,f#4]@3 ~@2 b4@3 a#4@2 b4@2", // D#m
  BH: "[~ f#4@3 ~@10 g#3@5 ~ a3@5 a3@3 b3@2 c4@3 a3@3 [g#3,e4]@5 ~@5 [e4,g#4]@5 ~ a4@5 a4@3 b4@2 c5@3 a4@3 [e4,g#4]@5 ~@5 [g#4,e5]@5 ~ a4@5 a4@3 b4@2 c5@3 a4@3 [g#4,e5]@3 ~@2 a4@3 b4@2 c5@3 a4@3 [g#4,e5]@3 ~@2 a4@3 b4@2 c5@2, ~@4 e4@16 d#4@16 ~@16 d#4@16 ~@16 d#5@16 ~@5 d#5@11 ~@5 d#5@7]/8", // C#m E C#m
  BI: "~ a4@3 [g#4,e5]@5 ~@7", BJ: "~@4 [e5,g#5]@5 ~@7", BK: "~@4 [e5,g#5,e6]@5 ~@7", BL: "[~@4 e6@14 e4 ~@13]/2",
  BM: "[~@2 [e5,e6]@35 [b4,b5]@36 [e4,g#4,b4,e5]@6 ~]/5", BN: "~@11 [e4,e5,e6]@5", BO: "[~@6 [e4,e5,e6]@3 ~@7]/2",
})).s("gm_violin").gain(0.25)

// chords · piano
const piano = note(`<
  A B C@2 D E F@2 G H I@2 J K L M N O P Q N R S T H U V W H X Y@2 G H I@2 J K Z@2 AA AB AC@2 AD@2 AE AF AG AH AI@2 AJ@2
  AK@2 AL@2 AM AN AO AP AQ@2 AR@2 AS@2 AT AU AV@2 AW@4 AX AY AQ@2 AR@2 AS@2 AT AU AV@2 AW@4 AX AY AZ@2 BA@2 BB@2 BC@3 BD
  AQ@2 AT AU BE@2 BF BG BH@2 BI@8 BJ@3 BK@8 BL@8 BM@8 BN@8 BO@7 BP@2 BQ BR@8 BS BT BU BV@4 BW@5 BX BY@5 BZ CA@2
>`.pickRestart({
  A: "[e3,e4]@8 [d#3,d#4]@3 [e3,e4]@5, [g3,b3]", B: "[e3,e4]@8 [d#3,d#4]@3 [e3,e4]@5, [c3,g3,c4]",
  C: "[[a#2,a#3,c#4]@16 ~@5 [f#3,f#4]@3 [e3,e4]@3 [d#3,d#4]@2 [f#3,f#4]@3, [g3,g4]@21 ~@11, ~ [a2,a3,c4]]/2", // A#m F# E D# F# G Am
  D: "[g2,e3,b3,e4]@5 [f#2,d#3,b3,f#4]@5 ~ [e2,e3,b3,g4]@5", E: "b4@5 a4@5 ~ [e2,b2,e4,g4]@5, [d#2,b2,f#4]@11 ~@5",
  F: "[[b2,d#4,f#4]@11 a4@2 g4@3 [b2,d#4,f#4]@3 ~@8 b4@5, b1@19 ~@13, ~@11 [a#2,e4]@5 ~@16]/2", // B A#dim
  G: "[e4,e5]@8 [d#4,d#5]@3 [e4,e5]@5, [g4,b4]", H: "[e4,e5]@8 [d#4,d#5]@3 [e4,e5]@5, [c4,g4,c5]",
  I: "[[a#3,a#4,c#5]@16 ~@5 [f#4,f#5]@3 [e4,e5]@3 [d#4,d#5]@2 [f#4,f#5]@3, [g4,g5]@21 ~@11, ~ [a3,a4,c5]]/2", // A#m F# E D# F# G Am
  J: "[g3,e4,b4,e5]@5 [f#3,d#4,b4,f#5]@5 ~ [e3,e4,b4,g5]@5", K: "b5@5 a5@5 ~ [e3,b3,e5,g5]@5, [d#3,b3,f#5]@11 ~@5",
  L: "[b3,e5,g5]@11 [a3,d#5,f#5]@5, b2", M: "[e3,g3,e5]@5 ~@11", N: "e4@8 d#4@3 e4@5, [c3,e3,g3,c4]",
  O: "[g2,d3,g3,b3,g4]", P: "f4@8 e4@3 f4@5, [d3,f3,a3,d4]", Q: "[b2,g3,d4,g4]", R: "g4@11 g4@5, [g2,d3,b3,d4]",
  S: "g4@11 f#4@5, [d2,d3,a3,d4]", T: "[g1,g2,b3,d4,g4]@5 ~@6 g4@5", U: "[g3,g4,b4,d5,g5]",
  V: "[f4,f5]@8 [e4,e5]@3 [f4,f5]@5, [d4,a4,d5]", W: "[b3,g4,d5,g5]", X: "[e4,e5]@5 ~@6 [e4,e5]@3 ~@2, [c3,a#3]",
  Y: "[[e4,e5]@11 [d#4,d#5]@5 [f#4,f#5]@11 b4@5, [b2,b3]@27 ~@5]/2", // E D# F# B
  Z: "[[b3,d#5,f#5]@11 a5@2 g5@3 [b3,d#5,f#5]@3 ~@8 b3@5, b2@19 ~@13, ~@11 [a#3,e5]@5 ~@16]/2", // B A#dim
  AA: "[e3,e4]@8 [d#3,d#4]@3 [e3,e4]@5", AB: "[e3,e4]@8 [d#3,d#4]@3 [e3,e4]@5, c3",
  AC: "[[c4,c5]@21 [b3,b4]@3 [a3,a4]@3 [g#3,g#4]@2 [b3,b4]@3, [d3,f3,d4,f4]]/2", // C B A G# B Dm
  AD: "[c3,e3,a3,c4,e4,a4]@3 ~@2 b4@3 a4@3 g#4@2 b4@3, ~@5 [d3,f3,b3,d4,f4]@11", // Am Bdim
  AE: "[c3,e3,a3,c4,e4,a4]@3 ~@2 a4@3 g#4@3 a4@2 b4@3", AF: "c5@3 d5@2 e5@3 d#5@3 e5@2 c5@3, ~@11 [a3,e4]@5",
  AG: "[b3,e4,b4]@3 ~@2 b4@3 a#4@3 b4@2 g4@3", AH: "[b1,b2,d#4,f#4]@3 ~@2 b4@3 a#4@3 b4@2 f#4@3",
  AI: "[~@11 [b2,g#3]@5 [c3,a3]@5 [c3,a3]@3 [b2,b3]@3 [a2,c4]@2 [c3,a3]@3, e2, e4 d#4]/2", // E F B Am F
  AJ: "[[e2,g#3,e4]@5 ~@6 [b3,e4,g#4]@5 [c4,a4]@5 [c4,a4]@3 [b3,b4]@3 [a3,c5]@2 [c4,a4]@3, e3, ~ d#4]/2", // E F B Am F
  AK: "[[b3,e4,g#4]@5 ~@6 [b3,g#4,e5]@5 [c4,a4]@5 [c4,a4]@3 [b3,b4]@3 [a3,c5]@2 [c4,a4]@3, e3, ~ d#5]/2", // E F B Am F
  AL: "[e3,b3,g#4,e5]@3 ~@2 [c4,a4]@3 [b3,b4]@3 [a3,c5]@2 [c4,a4]@3, ~@5 [e3,d#5]@11", AM: "[e3,b3,g#4,e5]@5 ~@11",
  AN: "[e3,b3,e5,g#5]@5 ~@11", AO: "[e2,b2,e3,e5,g#5,e6]@5 ~@11", AP: "e6@15 e4",
  AQ: "[[c3,g3,e4]@16 d4@5 f4@5 ~ [d3,b3]@5, c2, ~ f3, ~@16 b2@11 ~@5]/2", // C G
  AR: "[[c2,c3,e3,c4]@5 e4@5 ~@6 g3@5 [a3,f#4]@5 ~ [b3,f4]@5, ~@11 g4@11 ~@10]/2", // C D Bdim
  AS: "[[c3,g3,c4,e4]@16 d4@5 f4@5 ~ [d3,b3]@5, c2, ~ f3, ~@16 b2@11 ~@5]/2", // C G
  AT: "[c2,c3,e3]@5 e4@3 ~@3 g4@3 ~@2, c4@3 ~@13", AU: "c5@3 ~@2 d5@3 ~@3 d#5@3 ~@2",
  AV: "[~@11 [b3,d5]@5 ~@5 f#5@5 ~ [g3,b4,g5]@5, [c4,e5]@11 ~@5 [a3,c5]@11 ~@5, ~@5 g5@16 ~@11]/2", // Bm G C Am
  AW: "[~@11 [e3,g4]@5 ~@11 [e3,g4]@5 ~@5 g#4@5 ~@11 e4@5 ~ f#4@5, [f#3,a4]@11 ~@5 [d#3,f#4]@11 ~@5 [c3,e4]@16 [d3,c4]@16, ~@5 c5@16 b4@16 ~@6 a4@11 ~@10]/4", // Em F#m D#m C D7
  AX: "[g2,b3,g4]@5 a3@5 ~ g3@5", AY: "f3@5 e3@5 ~ d3@5",
  AZ: "[~@11 g4@5 [d3,f4]@5 [e3,e4]@5 ~ [f3,d4]@5, g2, c#3 ~, ~@5 a3@27]/2", // Dm E Dm
  BA: "[~@11 f4@5 [c3,e4]@5 [d3,d4]@5 ~ [e3,c4]@5, g2, b2 ~, ~@5 g3@27]/2", // C D C
  BB: "[~@11 [c#4,g5]@5 [d4,f5]@5 [e4,e5]@5 ~ [f4,d5]@5, g3, ~@5 a4@27]/2", // C#dim Dm E Dm
  BC: "[~@11 [b3,f5]@5 [c4,e5]@5 [d4,d5]@5 ~ [e4,c5]@5 [f4,b4]@5 a4@5 ~ g4@5, g3@37 ~@11, ~@5 g4@27 ~@16]/3", // Bdim C D C Fdim
  BD: "f4@5 e4@5 ~ d4@5", BE: "[[c4,e4,g4,e5]@16 d5@5 f5@5 ~ [d4,b4]@5, c3, ~ f4, ~@16 b3@11 ~@5]/2",
  BF: "[c3,c4,e4]@5 e5@3 ~@3 g5@3 ~@2, c5@3 ~@13", BG: "c6@3 ~@2 d6@3 ~@3 d#6@3 ~@2", BH: "[g3 a3, [c3,e3,e5,e6]]/2",
  BI: "[[e3,g3]@16 [d#3,f#3]@36 [e3,e4]@8 [d#3,d#4]@2 [e3,e4]@5 ~ [e3,e4]@8 [d#3,d#4]@2 [e3,e4]@5 ~ [a#2,a#3,c#4]@16 ~@5 [f#3,f#4]@3 [e3,e4]@2 [d#3,d#4]@3 [f#3,f#4]@3 [g2,e3,b3,e4]@5 [f#2,d#3,b3,f#4]@5 [e2,e3,b3,g4]@2, [b2,b3,b4,b5]@52 [g3,b3]@16 [c3,g3,c4]@16 [g3,g4]@21 ~@23, ~@25 [a2,a3,c4]@4 ~@3]/8", // Em D#m E D# E D# E A#m …
  BJ: "[~@4 b4@5 a4@5 [e2,b2,e4,g4]@5 ~ [b2,d#4,f#4]@10 a4@3 g4@3 [b2,d#4,f#4]@3 ~@7 b4@2, ~@4 [d#2,b2,f#4]@11 ~@5 b1@19 ~@9, ~@30 [a#2,e4]@5 ~@13]/3", // Em B A#dim
  BK: "[~@4 [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [a#3,a#4,c#5]@16 ~@5 [f#4,f#5]@3 [e4,e5]@2 [d#4,d#5]@3 [f#4,f#5]@3 [g3,e4,b4,e5]@5 [f#3,d#4,b4,f#5]@5 [e3,e4,b4,g5]@5 ~ b5@5 a5@5 [e3,b3,e5,g5]@5 ~ [b3,e5,g5]@10 [a3,d#5,f#5]@5 ~ [e3,g3,e5]@5 ~@7, ~@4 [g4,b4]@16 [c4,g4,c5]@16 [g4,g5]@21 ~@71, ~@52 [a3,a4,c5]@16 ~@16 [d#3,b3,f#5]@11 ~@5 b2@16 ~@12]/8", // E D# E D# E A#m F# E …
  BL: "[~@4 e4@8 d#4@2 e4@5 ~ [g2,d3,g3,b3,g4]@16 f4@8 e4@2 f4@5 ~ [b2,g3,d4,g4]@16 e4@8 d#4@2 e4@5 ~ g4@10 g4@5 ~ g4@10 f#4@5 ~ [g1,g2,b3,d4,g4]@5 ~@5 g4@2, ~ [c3,e3,g3,c4]@4 ~@4 [d3,f3,a3,d4]@4 ~@4 [c3,e3,g3,c4]@4 [g2,d3,b3,d4]@4 [d2,d3,a3,d4]@4 ~@3]/8", // G C Dm C G D5
  BM: "[~@4 [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [g3,g4,b4,d5,g5]@16 [f4,f5]@8 [e4,e5]@2 [f4,f5]@5 ~ [b3,g4,d5,g5]@16 [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [e4,e5]@5 ~@5 [e4,e5]@3 ~@3 [e4,e5]@10 [d#4,d#5]@5 ~ [f#4,f#5]@10 b4@2, ~@4 [c4,g4,c5]@16 ~@16 [d4,a4,d5]@16 ~@16 [c4,g4,c5]@16 [c3,a#3]@16 [b2,b3]@27 ~]/8", // E D# E G F E F G …
  BN: "[~@4 [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [e4,e5]@8 [d#4,d#5]@2 [e4,e5]@5 ~ [a#3,a#4,c#5]@16 ~@5 [f#4,f#5]@3 [e4,e5]@2 [d#4,d#5]@3 [f#4,f#5]@3 [g3,e4,b4,e5]@5 [f#3,d#4,b4,f#5]@5 [e3,e4,b4,g5]@5 ~ b5@5 a5@5 [e3,b3,e5,g5]@5 ~ [b3,d#5,f#5]@10 a5@3 g5@3 [b3,d#5,f#5]@3 ~@7 b3@2, ~@4 [g4,b4]@16 [c4,g4,c5]@16 [g4,g5]@21 ~@53 [a#3,e5]@5 ~@13, ~@52 [a3,a4,c5]@16 ~@16 [d#3,b3,f#5]@11 ~@5 b2@19 ~@9]/8", // E D# E D# E A#m F# E …
  BO: "[~@4 [e3,e4]@8 [d#3,d#4]@2 [e3,e4]@5 ~ [e3,e4]@8 [d#3,d#4]@2 [e3,e4]@5 ~ [c4,c5]@21 [b3,b4]@3 [a3,a4]@2 [g#3,g#4]@3 [b3,b4]@3 [c3,e3,a3,c4,e4,a4]@3 ~@2 b4@3 a4@2 g#4@3 b4@3 [c3,e3,a3,c4,e4,a4]@3 ~@2 b4@3 a4@2 g#4@3 b4@3 [c3,e3,a3,c4,e4,a4]@3 ~@2 a4@3 g#4@2 a4@2, ~@20 c3@16 [d3,f3,d4,f4]@32 ~@5 [d3,f3,b3,d4,f4]@11 ~@5 [d3,f3,b3,d4,f4]@11 ~@12]/7", // E D# E D# E C B A …
  BP: "[~ b4@3 c5@2 d5@3 e5@3 d#5@2 e5@3 c5@3 [b3,e4,b4]@3 ~@2 b4@3 a#4@2 b4@2, ~@14 [a3,e4]@5 ~@13]/2", // E5 A5
  BQ: "~ g4@3 [b1,b2,d#4,f#4]@3 ~@2 b4@3 a#4@2 b4@2", // B
  BR: "[~ f#4@3 ~@10 [b2,g#3]@5 ~ [c3,a3]@5 [c3,a3]@3 [b2,b3]@2 [a2,c4]@3 [c3,a3]@3 [e2,g#3,e4]@5 ~@5 [b3,e4,g#4]@5 ~ [c4,a4]@5 [c4,a4]@3 [b3,b4]@2 [a3,c5]@3 [c4,a4]@3 [b3,e4,g#4]@5 ~@5 [b3,g#4,e5]@5 ~ [c4,a4]@5 [c4,a4]@3 [b3,b4]@2 [a3,c5]@3 [c4,a4]@3 [e3,b3,g#4,e5]@3 ~@2 [c4,a4]@3 [b3,b4]@2 [a3,c5]@3 [c4,a4]@3 [e3,b3,g#4,e5]@3 ~@2 [c4,a4]@3 [b3,b4]@2 [a3,c5]@2, ~ e2@8 ~@4 d#4@4 ~@4 d#5@4 ~@7, ~@4 e4@16 d#4@16 e3@32 e3@32 ~@5 [e3,d#5]@11 ~@5 [e3,d#5]@7]/8", // E F B Am F E F B …
  BS: "~ [c4,a4]@3 [e3,b3,g#4,e5]@5 ~@7", BT: "~@4 [e3,b3,e5,g#5]@5 ~@7", BU: "~@4 [e2,b2,e3,e5,g#5,e6]@5 ~@7",
  BV: "[~@4 e6@14 e4 ~ [c3,g3,e4]@17 d4@6 f4@6 [d3,b3]@6 [c2,c3]@6 e4@3, ~@20 c2@35 ~@9, ~@37 f3@18 [e3,c4]@3 ~@6, ~@37 b2@12 ~@15]/4", // C G C
  BW: "[~@3 g4@3 ~@3 c5@3 ~@3 d5@3 ~@3 d#5@3 ~@3 [c4,g4,e5]@17 d5@6 f5@6 [d4,b4]@6 [c3,c4,e4]@6 e5@3 ~@3 g5@3 ~@3, ~@27 c3@35 ~@18, ~@44 f4@18 c5@3 ~@15, ~@11 b3@3 ~@6]/5", // C G C
  BX: "c6@3 ~@3 d6@3 ~@3 d#6@3 ~",
  BY: "[~@2 g#3@18 a3@17 [e3,g#3]@18 [d#3,f#3]@18 [e3,g#3,b3,e4,g#4,b4,e5]@6 ~, ~@2 [c#3,e3,e5,e6]@35 [b2,b3,b4,b5]@36 ~@7]/5", // E D#m E C#m B
  BZ: "~@11 [e2,g#2,b2,e3,g#3,b3,e4,e5,e6]@5", CA: "[~@6 [e2,g#2,b2,e3,g#3,b3,e4,e5,e6]@3 ~@7]/2",
})).s("gm_piano").gain(0.25)

stack(violin, piano)