// Maple Leaf Rag — Morton Jelly Roll
// 168 bpm, 4/4, key G# major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Full arrangement: all 121 bars on a 24-step grid, each part at one level. Source detail keeps the original performance.
setcpm(168/4)

// 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 · "A.PIANO 1"
const piano = note(`<
  A B C D@2 E@2 F@3 G H@3 I J K L M N O@3 P Q@2 R@2 S T U@2 V W X@4 Y Z@7 AA AB AC AD AE AF AG@2 AH@3 AI AJ@3 AK AL@5 AM
  AN AO AP AQ AR AS AT AU AV AW@2 AX AY@2 AZ BA@3 BB@3 BC BD@2 BE@2 BF@8 BG BH@6 BI BJ BK@2 BL@3 BM@2 BN BO@2
>`.pickRestart({
  A: "~@8 eb5 f5 ~ eb5",
  B: "[f4,ab4,b4,ab5]@2 ~@2 ab5@2 [f4,b4,f5]@3 ~ eb5@2 [f4,ab4,b4]@2 ~@4 [ab4,b4]@2 ~@2 eb5@2, d4 ~@5 [d4,ab4] ~@5 ab5@10 ~@2, ~@12 d4 ~@5 [d4,f4] ~@5", // Fdim Abm Ddim Dm
  C: "[ab4,c5]@2 ~@2 eb5@2 [ab4,c5,f5]@3 ~@3 [eb4,ab4]@2 ~@2 eb5@2 [eb4,ab4,c5,f5]@3 ~@3, ab5@2 ~@3 eb5@2 ~@5, eb4 ~@5 eb4 ~@4 c5@3 ~@10", // Ab Fm Ab5 Fm7
  D: "[[d4,f4,ab4,b4,b5]@6 ab5@3 ~@3 ab5@2 bb5@2 ab5@2 [eb4,ab4,g5]@3 ~@3 [eb4,g4] ~@5 [eb3,eb4]@2 ~@2 ab5@2 [ab2,ab3]@2 ~@4 [eb3,eb4]@3 ~@3, ~@9 [ab4,c5]@6 ~@3 c5 ~@5 db5@2 ~@22, ~@9 bb5@2 ~@11 ab5@6 ~@2 g5@4 ~@14, ~@10 eb4@6 ~@24 [g4,db5,eb5]@7 ~]/2", // Ddim Abmaj7 Eb Ab Eb Ab Eb7
  E: "[[f3,ab3,b3]@2 ~@4 [f3,ab3,b3]@2 ~@2 [d5,f5,b5] ~ [d3,f3,ab3,b3,d5,f5,ab5]@3 ~ d5 ~ [b3,d5,f5,ab5]@3 ~@7 [c5,eb5,ab5]@5 [eb3,c4,c5] ab3 ~ [ab3,c4,c5,eb5]@3 ab5@2 ~ [ab3,c4]@2 ~ eb5@3, d3 ~@3 [d5,f5,ab5,b5]@5 ~ ab5@2 b5@4 ~@17 f5@2 ~@7 f5@5 ~, ~@6 d3 ~@11 [d3,f3,ab3] ~@3 [eb3,ab3,c4]@11 ~@3 eb3@2 ~@4 eb3 ~@5]/2", // Fdim Bdim Ddim Bdim Ab Cm Ab Ddim …
  F: "[c5@3 bb4@2 ~ ab4@3 [d3,ab3,b3]@3 ab4@3 bb4@2 ~ [eb3,ab4]@3 ~@3 [eb3,ab3]@2 ~ ab4@2 ~ [eb2,bb4]@3 ~@2 ab2@2 ~@2 eb4@2 [eb2,eb3] ~@6 ab2@3 eb5@2 ~ [g2,g3] ~@2 [ab3,c5]@3 eb5@3 [ab2,ab3,f5]@2 ~ [a2,a3]@2 ~ c5@2 ~, [eb3,ab3,c4]@6 ~@3 [f3,bb4]@2 ~@6 [g3,db4]@2 ~@2 ab4@5 ~@7 ab4@7 ~ f4@4 ~@2 ab3@3 ~@4 f5@3 ~@8 eb5@4 ~@3, ~@24 c4 ~@5 eb3 ~@4 ab1 ~@21 ab2 ~@14]/3", // Abdim Ab5 Eb5 Eb G Ab Db A …
  G: "[bb3,eb5]@3 ~ eb4@2 [eb3,g3,bb3,db4] ~@5 [eb2,eb3] ~@4 db4 [eb3,g3,bb3] ~@3 [ab2,ab3]@2, bb2 ~@5 f4@3 g4@6 ~ eb4@2 f4@3 ~@3, ~@5 bb4@4 ~@3", // Eb5 Eb7 Eb Ab
  H: "[~@3 ab3 ab2 ~ [g2,g3]@3 c5@2 [ab2,ab3] [eb4,ab4,eb5]@2 ~ [ab3,eb5]@2 ~ [a2,a3]@2 ~ ab4 ~ [bb3,eb5]@2 ~@2 eb4@2 db4 [eb3,g3,bb3] ~@2 f4@2 eb4@4 f4@2 [g4,bb4]@4 [eb2,eb3]@2 [e3,ab4]@4 e5@2 ~ e3@2 ~ ab4@2 [eb2,eb3,eb4,ab4,c5,eb5]@8 ~@5, ~@3 [eb4,eb5]@6 ~@6 eb4@7 ~ g4@4 ~@2 [bb4,db5]@4 ~@2 eb2 ~@5 [eb2,eb3] ~@5 [e2,e5]@2 ~@4 b4@4 ~@15, ~@4 ab4@6 ~@5 ab2 ~ c5@4 ~@2 bb2 ~@11 eb3@2 ~@10 e4@9 ~@16, ~@54 e2 ~@17]/3", // G Ab Ab5 A Eb5 Eb Gm Eb …
  I: "[e1,e2,ab3,b3,e4]@3 ~@3 [e1,e2]@2 ~@4 [eb3,c4]@3 ~@3 [eb3,ab3,c4]@3 ~@3, e3@10 ~@2 [eb1,eb2]@9 ~@3, ~@4 e4@4 ~@4 eb4@2 ~ eb4@6 ~@3, ~@3 b3@2 ab3@3 ~@4", // E Cm Ab Eb
  J: "~@6 [b3,f4]@4 [d4,f4,d5]@2 ~@3 [d4,f4,d5]@2 ~ [b3,f4,ab4,b4]@2 ~@4, ~ [ab4,b4] ~@2", // Bdim Dm Fdim Abm
  K: "[b3,d4,f4,ab4]@4 [ab3,d4,f4,ab4]@3 ~@2 [ab3,d4]@2 ~ [f3,f4]@5 d4@3 ~@4, b4@6 ~@3 ab4@8 d3 ~@6", // Bdim Ddim Abdim F
  L: "~@3 d5@2 ~ [b3,d4] ~@2 b4@2 [ab3,b3,d4,d5]@3 ~@4 [b3,d4] ~@2 d5 ~@2, f3@6 f5@6 ~@3 [g4,g5]@8 ~, ~@3 ab3 ~@5 ab3 ~@2", // Bm Abdim Bm G
  M: "[ab3,g4,c5,eb5,g5]@3 ~ c5 c4 [eb3,ab3] ~@5 [eb2,eb3] ~@3 [f4,f5] ~ [eb3,ab3,eb4,eb5]@2 ~ c5@2 ~, ab2 ~@2 f5@2 g4@2 ~@3 [g4,c5,eb5,g5]@5 ~@3 c4 ~@2 c4 ~@2, ~@2 eb5 ~@9", // Abmaj7 Ab5 Eb F Ab5 Cm
  N: "b4@3 c5@2 ~ ab4@3 bb4@2 ab4@2 ~@2 ab4@2 ~ [d3,f3,ab3,b3]@3 eb4@2 ~, [d3,f3,ab3,b3]@2 ~, ~@13 bb4@4 f4@3 ~@4", // Ddim
  O: "[[eb3,ab3,ab4]@3 ab4@2 ~ [eb2,eb3] ~@2 ab4@3 [ab1,ab2]@5 ~ [ab5,ab6]@3 ~@3 d4@3 [ab5,ab6]@2 ~ [d4,f4,f5]@4 ~@2 [d4,f4,ab4,b4]@2 ~ [d5,d6] ~ [d4,f4,b4,b5]@5 ~@12 c5@2 eb5@4 ab5@2 [eb3,ab3,c4]@3 c5@2 ~, c4 ~@5 bb4@3 ~@12 [ab5,ab6]@4 ~@10 [d5,d6]@2 ~@10 [f5,ab5]@9 ~@10 eb5@6, ~@23 [f4,ab4,b4]@3 ~@3 [ab4,b4,f6]@5 ~@7 ab4@3 ~@10 [eb3,ab3,c4]@9 ~@9]/3", // Ab5 Eb Ab Dm Ddim D Bdim Ab …
  P: "~ d5 ab5 g5 ~ d5 [d3,f3,ab3,b3] ab4, [d3,f3,ab3,b3]@2 ~, b4@3 ~@3 f5@3 b4 ~@2", // Ddim
  Q: "[[g3,db4]@2 ~ d5@2 ~ [g3,db4]@2 ~ eb5@2 ~ [ab3,c4] ~@5 [g2,g3]@2 ~ [ab2,ab3]@2 ~ bb2@4 ~@2 [eb3,g3,bb3,db4] ~@2 g5@3 [eb2,eb3] ~@3 [eb5,g5,bb5,eb6]@2 [eb3,g3,bb3,db4] ~@2 c6 [g5,bb5]@2, eb5@3 ~@2 db5@3 ~@4 c5@12 ~@5 eb5@8 ~@9 c5 ~, eb3 ~@5 eb3 ~@5 eb3@2 ~@9 bb3@4 ~@9 bb5@3 ~@9]/2", // Gdim Ab G Ab Eb7 Eb Eb7 Gm
  R: "[[db5,g5,bb5,db6]@3 ~ f5@2 [g3,bb3,db4] ~@2 g5@3 [eb2,eb3] ~@2 [eb2,eb3,db5,g5,db6]@2 ~ [f3,c5]@2 ~ [g2,g3,bb4,bb5]@2 [ab2,ab3]@3 ~@4 [eb3,ab3] ~@2 c5@2 [eb2,eb5]@2 ~@2 [g4,c5,eb5,g5]@2 ~ [eb3,c4]@2 ~ [g4,c5,eb5,g5]@2 ~, [bb2,bb3] ~@5 [eb3,gb5]@2 ~@4 bb5@3 ~@2 c6@2 ~@10 [ab4,ab5]@4 ~@15, ~@18 f2 ~@11 c4@2 ~@3 eb3 ~@6 ab3 ~@2 [ab2,ab3] ~@2]/2", // Gdim Eb Eb7 F5 Gm Ab Ab5 Eb …
  S: "~@3 [ab2,ab3,c5,eb5,g5]@2 ~ [g2,g3]@3 [c5,eb5]@2 [f4,f5]@2 ~@2 [ab2,ab3,f5]@2 ~ a3@2 ~ [bb2,bb3]@3, ~@5 g4@4 ~@2 [ab2,ab3] ~@3 f4@5 ~@4, ~@17 [c5,eb5]@4 ~@3, ~@18 a2 ~@5", // Abmaj7 G Cm F Db Bb Ab Cm
  T: "~@3 eb5@2 db4 [g3,bb3] ~@2 db5@3 [eb2,eb3] ~@5 [eb3,g3,bb3,db4] ~@3 eb5@2, ~@5 [g4,g5]@4 ~@3 eb5@3 [g4,db5,g5]@5 ~@4, ~@3 eb3 ~@8", // Gm Eb Eb7 G Gdim
  U: "[[db3,db4,g4,g5]@2 ~ g4@2 ~ [c3,c4,f4,f5]@3 ~@3 bb2@2 ~@2 eb5@2 [g4,f5]@4 [ab2,ab3]@5 eb5@2 ~ [g2,g3]@2 ~ c5@2 f3 [f2,eb5]@3 ~@3 [eb2,eb3] ~@3 eb5@2, ~@3 g5 ~@5 [g4,g5]@7 ~@13 [ab4,ab5]@5 ~@5 [f4,c5,f5]@6 ~@3, ~@12 bb3 ~@5 [eb2,eb3] ~@29]/2", // Dbdim F5 G7 Ab G F7 Eb G …
  V: "[g4,c5,eb5,g5]@2 ~ [eb3,g4,c5,eb5,g5]@2 ~ [ab2,e3,eb5]@3 [ab2,f3,f4,c5,eb5,f5]@6 ~ [g4,g5] ~ [f4,c5,f5]@4 ~@2, [ab2,eb3] ~@2 ab2 ~@14 [ab2,gb3]@2 ~@4", // Cm Emaj7 Fm7 G F5 Ab5 Ab7
  W: "[bb2,bb3]@4 ~@2 [eb3,g3,bb3,db4] ~@5 [eb2,eb3]@2 ~@2 [g5,bb5]@2 [g3,bb3,db4] ~@2 [c5,c6] ~@2, ~@5 eb5@6 bb5@3 ~@10, ~@10 g5@3 ~@2 [eb5,eb6]@3 eb3@2 ~@4", // Bb Eb7 Eb Gm Gdim C Eb
  X: "[[bb2,bb3,db5,g5,bb5,db6]@3 ~ [db5,db6]@2 [ab2,ab3]@4 ~@2 g2@3 [c5,c6] ~ [eb2,eb3,bb4,bb5]@3 ~@3 ab3@2 ~@4 [eb3,ab3,c4] ~@3 c5@2 [eb2,eb3] ~@5 [ab3,c4] ~@3 eb5@2 [ab4,c5,eb5,ab5]@3 ~ [eb3,c4,ab4,ab5]@4 ~@2 [ab4,ab5]@2 ~ g4@4 ~ [db3,bb3,gb4,gb5]@3 ~@3 f3@2 ~@5 [f3,a3,c4,eb4] ~@2 e5@2 ~ [a2,a3] ~@5 [f3,a3,c4,eb4] ~@3 f4@2, ~@6 [c5,c6]@2 ~@2 [bb4,bb5]@5 ~@14 [ab4,ab5]@4 ~@2 eb5@3 ~ f5@5 ~@40 f5@4 ~@8, ~@11 g3@2 ~@10 ab2 ~@16 f4@5 ~@26 [f4,a4,c5,f5]@9 ~@16, ~@20 [c5,eb5] ~@23 [a4,c5]@3 ~, ~@41 eb3@2 ~@4 [ab2,ab3] ~@9 [eb3,c4] ~ [d3,b3,g5]@3 ~@9 f2 ~@24]/4", // Gdim Db Ab C Eb5 Ab Eb Ab …
  Y: "[bb2,bb3] ~@2 c5 bb4 [bb3,db4] f3 ~@2 bb4@2 [f2,f3] ~@5 [f3,bb3,db4] ~@3 f4@3, bb4@3 ~@2 a4@4 ~@2 f5@8 ~@5, ~@5 db5@2 ~, ~@17 bb4@4 ~@3", // Bb Bbm F Bbm
  Z: "[[bb2,g3] ~@2 bb4@2 ~ [eb3,g3,db4] ~@5 eb3@2 ~@4 [eb3,g3] ~@2 bb4@2 [ab2,c4,ab4]@4 ~@2 [eb4,eb5]@3 ~@2 [eb4,eb5]@4 ~ [eb4,eb5] ~ [f4,db5,f5]@6 [ab2,eb3]@3 ~@2 eb5 [e3,f4,f5]@4 c5@2 ~ ab2@2 ~@4 ab2 ~@2 eb5@2 [g4,bb4,f5]@3 ~ eb5@2 ~ [eb3,g3,bb3,db4] ~@5 [eb2,eb3] ~@2 bb4@2 ~ [eb3,g3] ~@4 [ab2,eb3]@2 ~@2 e5@2 [f4,f5]@4 c5@2 [ab2,f3,eb5]@3 ~@4 ab2 ~@2 eb5@2 [g4,f5]@4 ~@2 db4 [eb3,g3,bb3] ~@2 g4 ~ [eb2,eb3,db4,bb4]@3 ~ eb4@2 [eb3,g3] ~@3 [b3,e4,ab4]@2 e3@4 e5@2 b4@4 ab4@2 [eb2,eb3,eb4,ab4,c5,eb5]@7 ~@6, c5@3 ~@3 c5@3 eb4@5 ~ eb4@4 ~@44 [g4,g5]@6 ~@8 [g4,f5]@3 ~ [g4,bb4]@5 ~@3 [g4,c5]@4 ~@18 [f4,f5]@6 ~@6 bb4@4 ~@10 f4@3 ~@3 e2@8 ~@17, ~@12 eb2 ~@4 db4@4 ~@2 ab3@2 ~@4 [eb2,eb3]@10 ~@2 [eb2,eb3]@2 ~@10 ab2@2 ~@4 [f3,eb5]@3 ~@3 gb3@2 ~@4 [bb2,bb3] ~@10 db4@5 ~@2 db4@2 ~@10 [ab2,e3]@2 ~@10 gb3@2 ~@4 [bb2,bb3] ~@5 db5@4 ~@18 e4@6 ~@15, ~@149 e3@2 ~@17]/7", // Eb Eb7 Eb Ab Eb Db Ab5 Fmaj7 …
  AA: "[e1,e2,e3,ab3,b3,e4]@3 ~ e4@2 [e1,e2]@2 ~@2 ab3 ~ [eb3,ab3,c4,eb4]@3 ~@3 [eb3,ab3,c4]@3 ~@3, ~@4 e3@6 ~@2 [eb1,eb2] ~@11, ~@6 b3@4 ~@6 eb4@7 ~", // E Ab Eb
  AB: "~@3 ab3@3 b3@4 d4@2 ~@6 f4@4 ab4@2, [b2,f3]@5 ~@7 [d3,ab3]@7 ~@5, ~@4 d4 ~", // Bdim Ddim
  AC: "~@3 ab4@2 b4 ~@3 b4@2 d5, [ab3,d4]@2 ~@2 [b3,f4]@3 ~, ~ f4 ~@2 ab4 ~", // Abdim Bdim
  AD: "[b3,f4]@4 ab4@2 b4@4 f4@2 ab4@3 ~@3 [b3,f4]@3 ~ f5@2, ~@10 b3@6 g5@5 ~@3", // Bdim
  AE: "~@3 eb5@2 f5 eb5 f5 eb5 f5 eb5 [eb5,f5] f5 eb5@5 [eb3,ab3,c4] ~@5, [eb3,ab3,c4]@17 ~ c5@5 ~", // Ebsus2 Ab
  AF: "~@6 db5@3 d5@2 ab5@4 ~@3 d4 ~@2 b4@2 ~, [ab3,d4]@5 f5@2 ~, ~@17 d5@4 ~@3, ~@17 ab3@2 ~@5", // Abdim
  AG: "[[eb3,ab3,c4]@3 eb4@2 ~ [eb3,g3]@2 ~ db4@2 bb4@3 ab4@2 bb4 ab4 [ab4,bb4] bb4 ab4@3 ~@7 ab4@3 ~@3 d5@3 ~@3 [d3,f3,ab3,b3]@3 d5@2 ~, eb5@5 [db4,c5]@3 ~@3 [eb3,ab3,c4]@9 ~@3 [d3,f3,ab3,b3]@16 ~@9, ~@11 b4@2 g5@2 ~]/2", // Ab Eb Absus2 Ddim Dbmaj7 Ab Ddim
  AH: "[g5@3 f5@3 eb5 ~@2 [eb4,ab4,c5,eb5]@4 ~@2 [f4,ab4,f5] ~ [eb3,ab3,c4,eb4,ab4,eb5]@3 ~@3 [ab3,b3,d4,b4]@4 c5@2 ~ [ab3,b3,d4,ab4]@3 bb4@2 ~ b3@3 ~@3 [ab3,b3,d4]@3 f4@2 [db4,ab4]@2 ~@2 ab4@2 [g3,db4,eb4,bb4]@3 ~@3 [ab2,ab3,c4,ab4]@7 ~@6, [eb3,ab3,c4]@9 [eb3,ab3,c4]@6 c5@2 ~@18 [ab3,d4,ab4]@4 bb4@6 ~@27, ~@41 ab4@4 ~@2 ab3@4 db4 ~@20]/3", // Ab Fm Ab Abdim Db5 Eb7 Ab Abdim
  AI: "[ab3,gb4,c5,ab5]@2 ~@4 [eb3,ab3,c4] ~@3 eb5 ~ [gb4,f5]@4 ~@2 [eb3,gb4,c5]@2 ~@4, ab2 ~@3 [gb4,c5,ab5]@5 ~@3 c5@3 ~ eb5@4 ~@4, ~@12 [eb2,eb3] ~@5 [ab3,c4] ~@5", // Ab7 Ab Gbmaj7 Cdim Ab7 Eb Ab
  AJ: "[[gb2,gb3] ~@5 [ab3,c4] ~@3 bb4@2 [eb2,eb3] ~@3 gb5@2 [gb4,c5,eb5]@3 ~@2 f3@2 ~@5 [ab3,db4,f4] ~@5 [db2,db3,bb4] ~@2 [bb4,f5,db6]@3 [ab3,db4,f4] ~@2 ab5 ~ [bb4,f5,db6]@2 ~@4 [ab3,db4,f4] ~@5 e3@2 ~@5 [g3,bb3,db4,e4] ~@5, [gb4,c5,gb5]@9 ~@3 c5@4 ~@11 [bb4,f5,db6]@7 ab5@2 ~@11 [ab2,f3] ~@5 ab5@2 ~@4 g2 ~@12, ~@6 eb3@2 ~@10 [eb3,ab3,c4] ~@4 f2 ~@11 bb5@2 ~@5 bb5@3 ~@6 [bb4,db6]@4 ~@2 [bb4,e5,bb5]@12 ~@3]/3", // Gb Ab Eb Cdim Db Gb Bbm Db …
  AK: "[ab2,eb3] ~@5 [c4,gb4] ~@5 c5@4 gb5@2 [ab3,c4,c5,eb5]@2 ~@2 [bb4,eb5,gb5]@2, ~@6 ab3@2 ~ bb4@7 ~@2 [eb4,gb4] ~@3 c5 ~, ~@12 c2 ~@11", // Ab5 Cdim Ab Ebm
  AL: "[[gb2,gb3]@2 ~@2 c5@2 f5@3 eb5@3 [eb2,eb3]@2 ~@4 ab1@3 eb5@2 db3 db4@2 ~ [db4,db5]@2 [c3,c4]@2 ~@2 bb4@2 [bb2,bb3]@2 ~@2 f5@2 [ab2,ab3]@2 ~@2 f5@2 ~ f5@2 ~@3 [db3,db4,db5]@4 ab5@2 ~ [c3,c4,c5,eb5]@3 ab5@2 [b2,b3,bb4,db5]@3 ~ c5@2 ~@4 f5@2 [ab3,d4] bb3 ~@2 f5@2 ~ [f2,f3] ~@2 ab5@3 [ab3,bb3,d4] ~@2 f5@2 [bb4,d5,bb5]@3 ~ ab4@2 [d4,g5] [ab3,bb3] ~@5 [bb1,bb2] ~@5 [ab3,bb3,f5]@3 d5@2 ~, ~@3 bb4@6 ~@3 [gb4,c5]@5 f5@5 ~ db5@2 ~@4 c5@6 ab4@9 ~@3 [ab4,ab5]@4 ~@20 bb4@9 ~@3 [bb4,d5,ab5]@2 ~@2 bb4@7 ~@7 g4@2 ~@2 [ab4,ab5]@5 ~@2 ab4@7 ~, ~@3 gb5@3 f3 ~@8 gb5@4 ~@20 [db5,ab5]@5 ~@9 f5@3 ~@19 [d5,ab5]@5 ~@10 f5@3 eb5 ~@5 ab5 ~@11 ab5@6 ~@3, ~@3 eb5@2 ~ f2@2 ~@9 ab2@3 ~@7 db3 ~@17 [db3,db4]@6 ~@18 [bb2,bb3]@4 ~@22 [d2,d3] ~@18 d4 ~@5]/5", // Gb Eb Db C Bb Ab Db Cm …
  AM: "[gb4,bb4]@4 eb5@2 [gb3,bb3,eb4] ~@3 eb5@2 [f2,f3] ~@5 [bb3,d4] ~@2 d5 ~@2, gb5@3 ~@3 [gb4,gb5]@4 ~@6 ab4@7 ~, [eb2,eb3] ~@5 bb4@2 ~@4 d5@3 ~ ab5@5 ~@3, ~@9 ab3 ~@2", // Gb Ebm F Bb Gb Eb
  AN: "[gb2,gb3,eb5]@3 gb5@3 eb5@4 [bb4,bb5]@2 [gb2,gb3]@3 [gb3,db5,db6]@2 ~ [f2,f3]@3 [bb4,bb5]@3, ~@6 f3@2 ~@2 eb5 ~@7 [c5,c6]@2 ~@4, ~@6 f2 ~@8 gb2 ~@8", // Ebm Bb Gb Gb5 F Bb C
  AO: "[gb2,gb3]@2 ~ [gb3,db5,db6]@2 ~ [c5,c6]@2 ~ [gb3,db5,db6]@2 ~ [eb5,eb6]@3 [db5,db6]@2 ~ [g2,g3,c5,c6]@3 bb4@2 ~, ~@3 gb2 ~ f3@2 ~@14 bb5 ~@2, ~@6 f2 ~@2 gb2 ~ [g2,g3]@3 ~@10", // Gb Gb5 C Gb5 Eb Db C5 G
  AP: "[ab2,ab3]@2 ~ [ab4,ab5]@2 ~ [ab3,db4,f4,g4]@3 ab5@2 ~ [bb3,bb4,bb5]@3 [ab4,ab5] ~@2 [ab3,bb3,d4,f4]@2 ~ [d4,d5] ~@2, ~@6 g5 ~@2 ab4 ~@2 bb2 ~@5 f5 ~@5", // Ab Db Bb Ab Bb7 D
  AQ: "[eb3,bb3,g4,e5]@3 f5@2 ~ [g3,bb3,db4,eb4,g4,db5]@3 eb5@2 [a3,gb4,db5]@2 eb5 ~ db5@2 [gb3,a3,eb4] ~@3 [f4,db5]@2 ~, ~@11 a2 ~@5 [gb4,eb5]@3 ~@4", // Eb Eb7 Gbm Ebdim Db Ebm
  AR: "~@6 [db3,bb3]@3 ~@3 [db3,bb3,bb4,gb5,bb5]@3 ~@2 [bb3,bb4,gb5,bb5]@3 ~@4, [db3,ab3]@5 ~@12 d3 ~@6, ~ [ab4,db5,bb5]@2 ~@5", // Gb Ebm Db5 Bbm7
  AS: "[eb3,gb3,c4] ~@5 [c4,gb4] ~@5 [eb2,eb3] ~@3 [eb5,gb5]@2 [ab3,c4]@2 ~@2 [ab4,c5,f5]@2, [bb4,gb5]@8 ~@2 bb4@9 ~@5, bb5@6 ab3@2 ~@4 c5@6 gb4 ~@5", // Cdim Eb Ebm Ab Fm Ebm
  AT: "[c2,c3] ~@5 [ab3,c4,eb4,gb4] ~@2 f5@2 ab1 gb5@3 eb5@3 [ab3,c4,eb4,gb4] ~@2 ab4@2 [db3,db4], ~@4 [ab4,c5,ab5]@5 ~@3 ab2 ~@5 c5@3 ~@3", // C Ab7 Db Ab
  AU: "~@3 bb5 ~@2 [ab3,db4,f4] ~@4 [ab2,ab3] ~@6 [ab3,db4,f4] ~@3 bb5 ~, ~@5 db6@3 ~@3 bb5@3 ~ db6@5 ~@4, ~@3 [bb4,f5] ~@4 [bb4,f5]@2 ~@2", // Db Ab Db Bb5
  AV: "[bb4,f5,db6]@3 ~@3 [ab3,db4,f4] ~@5 e3@2 ~ g5 bb5 ~ [g3,bb3,db4]@2 ~@4, [f2,f3] ~@5 bb5@3 [db5,e5,c6]@5 ~@2 a5@2 e4 ~@5, ~@12 g2 ~@4 [b5,c6]@3 ~@4", // Bbm Db Gdim F Dbm Cmaj7
  AW: "[[gb2,gb3] ~@5 [c4,eb4,gb4] ~@5 [ab2,eb3] ~@2 bb5@2 [ab3,c4,gb4] ~@3 g5@2 [eb2,c3] ~@3 gb5@2 gb4 [c4,eb4] ~@2 ab5@2 [ab2,eb3] ~@3 [g5,a5,bb5] b5@2 [ab3,c4,gb4] ~@5, [bb4,gb5,bb5]@9 ~@3 ab5@3 ~@2 ab5@3 ~@3 gb5@2 ~@4 c5@5 ~@6 c6@5 ~@3, ~@3 ab3 ~@11 ab3 ~@8]/2", // Gb Cdim Ab5 Ab7 Cm Ab5 Gm Ab7 …
  AX: "[bb4,f5,db6]@3 ~ bb5 ~ [ab3,db4,db6]@3 ~@2 bb5@2 ~@5 [ab3,db4,f4] ~@2 bb5@2 ~, [db3,ab3] ~@5 [bb4,f5]@5 ~@4 [bb4,f5,db6]@5 ~@4, ~@6 f4 ~@4 ab2 ~@12", // Bbm Db5 Db Db5 Bb5 Bbm
  AY: "[[db3,ab3,bb4,f5,db6]@3 ~@3 [e5,g5,db6]@2 ~@2 [bb2,ab3,f5,ab5,d6]@5 [ab5,d6] [bb2,ab3,f5] ~ [bb2,g3,g5] ~@2 [bb2,g3] ~@2 f5@4 ~@2 [ab3,bb3]@2 ~@4 [d3,d5,f5,bb5]@3 ~@3 [ab3,bb3,d4] ~@5, ~@6 [bb2,g3] ~@11 [e5,db6]@2 ~@3 [ab5,d6]@4 ~@2 [c5,eb5,a5]@3 ~@16, ~@23 [bb2,ab3]@2 ~@5 d4 ~@5 f2 ~@11]/2", // Bbm7 Dbdim Bb7 Abdim Bb7 Eb Absus2 Bb …
  AZ: "[f5,ab5,d6]@3 bb5 ~@2 [bb3,d4] ~@3 [d5,f5,bb5]@2 f2@2 ~@4 [ab3,d4] ~@2 bb5 ~ eb2, [bb2,ab3] ~@4 [eb5,gb5,c6]@3 ~@7 [f5,ab5,d6]@6 ~@3, ~@3 ab3 ~@5 bb3 ~@2", // Ddim Bb Abdim Bb7 Cdim Ddim
  BA: "[[gb4,bb4,eb5,gb5]@6 [bb3,eb4] ~@4 f2 f3 ~@4 [ab3,bb3,d4] ~@5 [eb2,eb3,gb4,bb4,eb5,gb5]@3 ~@4 [f3,db5,bb5]@3 [gb5,db6]@3 [gb2,gb3]@2 ~ [gb5,db6]@2 [db2,db3,db5,bb5]@3 ~ bb5@2 [db5,gb5,bb5,db6]@2 ~@2 [db5,db6]@2 [f2,f3,c5,c6]@3 ~ [gb3,db5,db6]@2 [g3,eb5,g5,bb5,eb6]@3 ~ [db5,db6]@2 [bb2,g3,c5,c6]@3 ~ [bb4,bb5]@2 ~, eb3 ~@5 gb3@2 ~@3 [bb4,ab5]@8 ~@11 f2 ~@16 [gb2,gb3]@4 ~@6 gb2 ~ g2 ~@12, ~@12 d5@7 ~@26 db5 ~@26]/3", // Ebm Eb5 Bb7 Ebm Bbm Gb5 Gb Gb5 …
  BB: "[[ab2,ab3] ~@2 [ab4,ab5]@2 [ab3,db4,g4,g5]@3 ~ [ab4,ab5] ~ [bb4,d5,f5,bb5]@3 ~ [ab4,ab5]@2 [ab3,bb3,f4,f5]@3 ~ [d4,d5] ~@2 g3@2 ~ f5@2 [g3,db4] eb3 ~@2 eb5@2 [gb4,db5]@2 eb5 ~ db5@2 [gb4,eb5]@3 ~@3 db4 db3@2 ~@4 [ab2,ab3]@2 ~@4 [db2,db3]@3 [ab4,ab5]@6 ~ f5@2, ~@3 [db5,f5] ~ f4 ~@5 [bb2,bb3] ~@5 d4 ~@5 [g4,e5]@3 ~@3 [g4,db5]@4 ~@12 [f4,db5]@6 ~@12 f5@3 ~@4 ab4 ~, ~@24 bb2 ~@10 [a2,a3] ~@5 [ab2,ab3] ~@30]/3", // Ab Db Ab Bb Ab Bb7 D Gdim …
  BC: "~@4 [ab4,ab5]@2 ~ ab4 ~@2 [ab4,ab5]@4 ~ ab5@2 ~ [db3,b3,bb4,f5]@3 ab5@2 ~, [ab4,ab5]@2 ~@4 f5@2 ~@7 ab4 ~@8, ~ ab3@9 ~@14, ~ db3@5 ~@4 [db3,bb3]@7 ~@7", // Ab Bbm Ab Gb
  BD: "[[ab4,f5]@2 ~ [b4,b5]@5 ~ ab5@2 b5 b4@2 ~ bb4@2 [ab4,ab5]@4 ~@2 eb3 [eb4,c5,eb5]@2 ~@4 [ab3,c5]@2 ~ ab4@2 [eb2,eb3] ~@5 [eb3,ab3,c4] ~@3 [ab2,ab3,ab4,c5,eb5]@2 ~, [db3,b3]@8 ~ [db3,db4]@6 bb5 ~ [d3,d4]@2 ~@4 [ab4,ab5]@3 ~@3 [ab4,f5]@3 ~ [c5,eb5]@4 ~@2 [ab4,c5,eb5]@4 ~@5, ~@30 [c4,eb4] ~@17]/2", // Db B Ab Cm Ab Eb Ab Db7 …
  BE: "[~@3 [ab3,g5]@2 [g2,g3,f5]@3 ~ eb5 ~ [ab4,g5]@4 f5@2 [ab4,eb5]@3 ~@3 [f4,g4] ~@3 [g4,eb5]@2 [eb3,g3,db4] ~@5 [g4,bb4]@2 ~@5 [g4,eb5]@4 ~@2, ~@3 [ab4,b4]@5 ~@15 eb5@2 ~@4 [g4,f5]@4 ~@9 [g3,db4] ~@5, ~@3 ab2 ~@7 [f2,f3] ~@5 [a2,a3] ~@3 [bb2,bb3]@5 ~@9 [eb2,eb3] ~@6 eb3@2 ~@4]/2", // Abmaj7 G7 Abmaj7 Ab5 Fsus2 Cm Eb7 Gm …
  BF: "[[g4,eb5]@2 ~@2 bb2@2 ~@3 [eb2,eb3,g4] ~@2 [g2,g3] ~@2 [g4,eb5]@2 [eb2,eb3] bb4@3 [ab2,ab3,ab4,c5,eb5]@5 ~ [ab3,ab4,c5,eb5]@2 ~ ab4@2 ~ [ab4,c5,eb5] ~ [f2,f3,ab4,c5,g5]@4 gb5@2 f5@3 ~ e5 ~ [ab2,ab3,ab4,c5,eb5]@3 ~ [eb5,ab5]@2 [bb2,bb3,g5]@3 ~ f5 ~@2 [c3,c4,c5]@2 ~ f5@2 ~ [ab2,ab3,ab4,eb5]@3 [ab4,db5,f5]@5 ~ [ab4,db5,f5,ab5]@3 ~@3 [ab4,db5,f5]@2 [f5,ab5] db5 ~@2 [ab4,db5,f5,ab5]@2 [db3,db4]@4 [ab4,db5,f5,ab5] ~ [d3,d4,b4,db5,f5,b5]@3 ~ [bb4,db5,f5,bb5] ~ [db3,db4,ab5] [db5,f5]@2 ~ [d3,d4,b4,db5,f5,b5]@4 ~@2 [db3,db4,bb4,db5,f5,bb5] ~ [d4,ab4,db5,f5,ab5]@3 ~@3 [eb3,ab4,c5,eb5,ab5]@3 ~ eb5 ~ [ab4,c5,f5]@3 ~ eb5@2 [eb5,g5]@4 b4@2 ~ [eb3,ab3,c4] ~@2 eb5@2 ~ [ab4,c5]@3 eb5@2 ~ [eb3,ab3,ab4,f5]@3 ~@2 [eb3,c4]@3 ~ [ab4,g5]@2 ~ [db3,bb3,ab4,eb5]@3 eb5@2 a3@2 ~@4 [a3,eb4] f3 ~@4 [f2,f3] ~@5 eb4 [a4,c5,eb5]@3 ~@3, [eb2,eb3] ~@2 [g4,bb4,g5]@4 ~@2 [bb4,eb5]@2 [g4,g5]@4 ~@2 [g4,f5]@3 ~@7 ab2 ~ [g2,g3,c5]@3 ~@19 c5 ~@26 [db3,f3]@9 ~@2 ab4 ~@12 ab4 ~@16 eb4 ~@11 g4@2 ~@17 c4 ~@2 [ab4,g5]@4 ~@8 ab4 ~ [a4,c5,g5]@9 ~@3 a4@2 ~@11, ~@3 bb3@2 ~@6 bb4@2 ~@2 bb4 ~@35 ab4@8 [ab4,gb5]@5 ~@5 [db3,db4]@6 ~@3 ab3@12 ~@23 d3 ~@11 [eb3,ab3,c4] ~@5 [eb2,eb3] ~@12 [ab2,ab3] ~@22 c3 ~@18 [f3,a3] ~@5, ~@83 ab4@2 ~@4 [db5,f5]@3 ~@45 c5@4 ~@2 g5@4 ~@7 c5@3 ~@22 eb5@4 ~@9]/8", // Cm Eb G Cm Eb Ab Fm Ab …
  BG: "[bb2,bb3] ~@2 bb4@2 [bb3,db4] f3 ~@5 db5@2 ~@4 [ab2,ab3]@2 ~ f4@3, bb4@2 c5@2 ~ a4@4 ~ bb4@3 ~@2 [f4,bb4,db5,f5]@5 ~@4, ~@11 [bb2,bb3]@2 ~@11", // Bb Bbm Ab Bbm Bb
  BH: "[[g2,g3] ~@2 bb4@2 [g3,db4] eb3 ~@4 [eb2,eb3] ~@3 eb4@2 [eb3,g3,db4] ~@3 g4@2 [ab2,ab3,ab4]@3 ~@3 [eb2,eb3]@3 ~@3 ab2 ab1@2 ~@3 [gb2,gb3]@3 ~ f5@2 [ab4,db5,ab5]@6 [ab2,f3]@2 ~@5 f4@6 [ab2,f3,db4]@2 ~@4 ab2@2 ~@3 [ab2,f3]@2 ~@2 b5@2 ab2@2 ~@2 [b4,f5,ab5,b5] ~ [ab2,f3,bb4,f5,ab5,bb5]@3 ~@3 [eb2,ab4,c5,eb5,ab5]@3 ~ eb5 ~ [ab2,eb3,ab4,c5,f5]@3 ~@3 [ab4,c5,eb5]@6 [eb2,ab2]@2 ~@5 ab1@3 ~@3 ab2@3 ~ [eb4,ab4,c5,eb5]@2 [eb2,c3]@3 [eb4,ab4,c5,eb5]@3 [ab2,eb3,b4]@3 ~ c5@2, c5@3 ~@2 c5@4 bb4@4 ~@34 db2 ~@11 db2@2 ~@11 db2 ~@10 d2 ~@23 [ab1,eb2]@2 ~@35, ~@11 ab4@3 ~@3 f4@4 ~@13 [gb4,c5,ab5]@3 ~@2 [gb4,c5,ab5]@5 ~@3 ab2@2 ~@10 bb4@6 ~ ab4@4 ~@11 [b4,f5,ab5]@4 ~@59, ~@60 db4@4 ~@6 [db4,f4,bb4]@7 ~@42 [d4,g4,b4]@4 ~ [eb4,ab4,c5]@4 ~@16, ~@60 ab2@2 ~@33 ab2 ~@23 eb2@2 ~@4 eb2@4 ~@15]/6", // G Gdim Eb Eb7 Ab Eb Gb Db5 …
  BI: "[bb2,f4,db5]@3 bb4 ~ [g3,eb4,c5]@4 ~@2 [d4,b4]@4 ~@2 [bb2,eb3]@3 ~ [db4,g4,bb4,eb5]@2 [bb2,eb3], eb3@5 db3@2 ~@4 [eb2,bb2]@2 ~@2 [eb4,c5]@5 ~@4", // Bbm Cm G Eb5 Eb7 Eb5 Cm
  BJ: "~@6 [db3,g3]@2 ~@2 bb4@2 [eb2,bb2,c5]@3 f4@3 [bb2,eb3]@3 ~@3, ~@3 [db4,g4,bb4,eb5]@5 ~@10 g4@5 ~", // Dbdim Cm7 Eb5 Eb7
  BK: "[[ab2,eb3]@3 ~@3 [eb3,ab3] ~@5 [eb2,ab2,gb4]@2 ~ gb4@2 ~ [ab2,eb3] ~@4 [ab2,eb3]@3 ~@3 [eb3,ab3]@3 ~@4 [ab2,eb3]@2 ~@2 [c4,gb4,bb4]@2 [ab2,gb3]@3 bb5 ~@2, [eb4,ab4,c5]@11 ~@3 bb4@2 ~@2 c4@3 [c4,gb4,ab4]@10 ~@3 [c4,gb4,ab4]@4 ~@10]/2", // Ab5 Ab7 Ab5 Cm7b5 Ab7 Ab Ab7
  BL: "[[db2,ab2,bb4,f5,db6]@4 ~@2 [ab2,db3,bb4,f5,db6]@3 ~@2 [ab1,db2]@3 ~@3 [db2,ab2]@3 ~@3 [bb4,f5,db6]@4 ab5@2 [db3,bb5]@4 ab5 ~ [b4,f5,b5]@4 bb5@2 [d3,ab5]@3 ~ f5@2 ~ [eb2,ab2]@2 ~ eb5@2 ~ [ab2,eb3]@2 ~ eb5@2 [eb2,ab4,f5]@3 ~ c5 c5@2 [eb2,ab2]@2 ~@2 eb5 ~, ~@11 [bb4,f5,db6]@8 ~@4 [db2,ab2]@3 ~@3 ab2@2 ~@4 [d2,ab2]@2 ~@4 ab2 ~@5 [ab4,c5,ab5]@4 ~@2 f5@3 ~@3 ab1 ~@3 [g4,eb5,g5]@4 ~@5]/3", // Bbm7 Db5 Bbm Gb Bdim Ddim Ab5 Fm7 …
  BM: "[[eb2,ab2,g4,c5,eb5,g5]@3 ~ [gb4,c5,eb5,gb5]@2 [ab2,eb3,c5,eb5,f5]@2 ~@4 [eb2,a2]@2 ~@2 [gb4,eb5,gb5]@2 [a2,f3,f4,c5,eb5,f5]@3 eb5 ~@2 f2@2 ~@4 [c3,f3]@2 ~ d5 [eb5,e5] ~ [f2,c3]@2 ~ eb5@3 [eb3,a3]@3 f4@2 ~, ~@6 f4 ~@2 [g4,eb5,g5]@5 ~@9 [a4,f5]@9 ~@16, ~@10 c5@4 ~@2 c5 ~@6 c3@2 ~@23, ~@24 c5@8 ~ c5@2 f5@2 ~@11]/2", // Abmaj7 Cdim Fm7 Ebdim Ebm F7 F5 Emaj7 …
  BN: "[bb2,bb3,db5]@2 ~ db5@2 [c4,c5]@3 ~ bb4@2 [db3,db4]@2 ~@2 db5@2 ~ [d3,d4]@3 f4@2 ~, ~@2 eb5@3 c3 ~@5 f5@4 ~@2 bb4@4 ~@3", // Bbm C Db D
  BO: "[[d4,b4]@3 c5@2 ~ [d4,ab4]@3 bb4@2 [db4,ab4]@2 bb4 ~ ab4@2 [eb2,eb3,db4]@2 ~@4 [ab2,ab3]@2 ~@4 [eb2,eb3,g4,db5,f5]@2 ~@4 [ab1,ab2,ab4,c5,eb5,ab5]@3 ~@10, ~@6 [eb2,eb3]@9 db4 ~ bb4@4 [c4,ab4]@4 ~@23]/2", // G Ddim Db5 Eb7 Ab Eb7 Ab Eb …
})).s("gm_piano").gain(0.56)

stack(piano)