// Too Young — Nat King Cole
// 100 bpm, 4/4, key D# minor. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: sustain pedal (CC 64) lengthens the held notes
// note: Full arrangement: all 70 bars on a 32-step grid, each part at one level. Source detail keeps the original performance.
setcpm(100/4)

// 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@3 B@6 C@8 D@4 E@6 F@7 G@2 H@8 I@2 J@7 K@4 L@6 M@7>".pickRestart({
  A: "[~@15 [eb4,ab4,c5,eb5]@10 ~@22 eb3@4 ~@21 c3@3 ~@19 bb2@2, ~@25 [ab2,ab4,c5,ab5]@26 [c2,c6]@12 g4 [c4,eb4]@2 g3@2 eb3 [c4,eb4,g4,c5]@7 ~@3 ab2@10 ab3@3 [f3,ab4,db5,ab5]@4, ~@25 eb5@10 c4@3 eb4@13 [c5,eb5,g5]@7 g5@17 db5@7 f3@4 db5 [db4,g4]@9, ~@30 eb3@14 [ab3,bb4,eb5,bb5]@8 ~@3 g2@20 [db2,f4,f5]@21, ~@33 ab3@8 c4@11 ~@6 [eb3,g4,c5,eb5]@3 g3@2 eb5@12 ab4@9 ab3@2 g5@10]/3", // Ab C Cm Db Cm Dbdim Absus2 Db …
  B: "[~@22 f3@5 ~@16 [gb6,d7]@3 ~@3 [c5,g6,eb7]@2 ~@3 [gb5,d6,b6]@2 ~@9 [b5,gb6]@2 ~@3 [eb5,c6,g6]@3 ~@4 [c5,g5,eb6]@5 ~@28 eb6@6 ~@57 eb4@12 [ab2,ab4]@7, ~ [d2,f5]@14 bb3@3 [ab3,d5,bb5,d6]@9 ~@11 [eb4,g4]@26 d5@3 [d5,b5,gb6]@6 eb5 [c6,g6]@8 c5@7 ab3@8 [c5,f5,ab5,c6]@4 db4@15 eb2@13 db4@2 f4 g4@2 c5@2 f5@12 g7@38 ~@6, ~ [c5,ab5,c6]@5 [f3,bb5] bb4@20 eb6@19 gb6@5 [c5,g6,eb7]@5 [gb5,d6] b6@26 c6@9 [db4,eb5,f5,ab5] eb6@3 f4@9 ab4@4 [eb5,f5,ab5]@7 c5@6 db3@15 g5@49 ~@6, ~@4 bb2@23 [eb2,eb3]@56 bb2@35 c6@9 c4@11 c6@2 f6@46 ~@6, ~@6 g5@3 ab3@3 [f4,c5,ab5,c6]@15 [eb5,c6]@11 [c5,g6,eb7]@4 b4@3 ~ [b4,d7]@37 [f5,ab5]@3 f3@31 [f5,g5]@8 g3@16 g6@5 c8@40 ~@6]/6", // D Cm Bm B5 Cm Ab Dm Bb7 …
  C: "[~@8 db4@2 ~@8 bb4@8 ~@25 c4@4 ~@26 g5@2 ~@15 bb4@2 ~@10 eb4@8 ~@15 db4@2 ~@8 bb4@6 ~@25 c4@3 ~@22 eb5@2 ~@29 [bb3,db4,f4,bb4]@6 [a3,eb4,gb4,c5]@6 ~ db4@6 [bb2,db4,e4,ab4]@7, ~@2 eb3@24 [c2,c5]@29 [f2,f4]@14 f5 c6@8 f3@23 ~@26 c4@2 db4@2 c4@4 [ab3,c4,eb4]@14 ~@13 [g3,eb4]@16 ~@10 [f3,bb4,db5]@13 ~@6 c4@9 [a3,eb4]@15 ~@11 [ab3,db5]@14, ~@2 c4@4 c4@4 [ab3,c4,eb4]@16 ~@7 [eb3,g4]@23 ~@7 c3@20 f5 [bb2,g5]@17 ~@17 ab2@17 ~@14 [c2,c5]@28 [db2,db4,f4]@17 ab3@7 a3@14 c5@10 f4@5 ~@12 f4@7 ~@7, ~@4 db4@4 ~@31 [g3,eb4]@16 ~@13 c5@24 db4@26 ab4@31 ~@40 bb5@9 f5@3 ~@10 c5@2 bb4@15 bb2@16 ~@12, ~@69 ab3@27 c5@4 [eb3,g4,c5]@18 ~@9 eb3@22 ~@7 [eb3,g4]@22 ~@5 ab2@17 ~ [c3,f5]@30 ~@25]/8", // Bbm Adim Bbm7b5 C F Ab Cm Bbm …
  D: "[~@8 eb3@13 [d3,ab3,b3,d4,f4]@6 [bb3,db4,eb4,g4]@5 [f3,b3,d4,f4,ab4]@6 db4@5 [ab3,db4,f4]@7 ~@7 eb3@12 ~@2 f5@5 ~@9 [ab4,ab5]@4 ~@6 [f4,f5]@4 ~@8 [f4,f5]@4 ~@12 eb4@5, [eb2,db4,eb4,g4]@21 ~@6 eb3@25 ~@17 [eb3,b3,f4]@7 eb3@12 ~ [eb3,ab3,b3]@12 ~@10 eb3@4 g5@7 eb5@6, ~@38 [g3,g4,bb4]@12 [g3,bb3,db4,eb4]@20 [d4,b4,d5]@7 bb3@13 ~@9 [eb3,bb3]@13 [g3,b3]@16, ~@78 [eb4,g4,bb4,eb5]@12 d4@10 [db4,eb4]@13 ~ [db4,b4]@14, ~@79 g5@11 ~ [bb4,bb5]@10 [g4,eb5]@12 g4@15]/4", // Ddim Eb7 Fdim Db Ab F Eb7 Fm7b5 …
  E: "[~@10 c4@4 ~@41 eb3@4 ~@9 c4@2 ~@12 [bb4,bb5]@8 c5@4 ~@14 [g3,c4,eb4,g4,c5]@7 ~@25 f6@2 ~@10 bb5@2 ~@9 eb3@2 ~@9 db4@2 ~@10 [bb4,bb5]@6, ~ [ab2,c5]@14 f2@4 g5@3 eb5@14 [db4,ab4]@4 db5@20 ~@8 ab3@5 db4@17 [c2,c6]@12 [c4,eb4,g4]@3 eb3@10 ~@3 c3@9 f6 c4@3 ab3@4 f4@4 g6@3 [bb2,db6,g6]@11 ~ [eb2,g5,c6]@12 [ab2,ab4]@13 [ab3,c4,eb4]@13, ~@2 c4@8 ~@4 g6@5 a3@6 [eb4,a4]@5 db5@3 [f3,f4]@10 ~@4 db3@12 [ab2,ab4,c5,ab5]@31 eb5@7 [eb3,g4,c5]@3 g3@2 eb5@13 f4@12 c6@24 c6@3 ~@11 [c5,ab5]@27, ~@6 eb3@10 eb6@11 g5@16 g4@8 [g3,eb4,g4,eb5]@8 ~@5 eb3@7 c4@4 [ab3,c4,eb4]@16 ~@6 g5@18 ~@6 ab3@4 f3@18 ~@2 f3@8 ~@4 db3@9 ~@3 eb3@4 ab3@3 c4 db4@15, ~@17 [c3,c6]@13 [bb2,f5]@13 [eb2,bb4]@16 ~@11 db4@2 eb3@19 ~@3 g2@21 [f2,ab4,c5,f5]@28 ~@5 db4@5 ~@7 [g3,eb4,g4,eb5]@6 ~@6 c4@4 eb3@16]/6", // Bb Cm Bb Ab Db5 C Cm Gdim …
  F: "[~@20 ab3@3 ~@25 eb6@2 ~@31 c5@2 ~@7 f5@3 ~@22 e5@2 ~@11 e4@3 ~@9 ab4@3 ~@39 [eb4,eb5]@7 ~@27 db4@8, [ab2,gb5]@14 c4@10 ~@6 f3@5 bb5 [bb3,bb6]@3 f3@4 db4@3 f6@4 ~@10 c3@4 a3 c6@19 db5@12 [f4,f6]@3 bb5@2 db4 c5@3 ab4@15 [e4,e6]@2 ab5@2 ab3 bb4@6 ~ bb4@12 ~@2 ab4@8 eb4@20 [d4,a4,d5] a3@14 f5@14 ab4 g4@2 gb4 f4@8 db5@9, [c5,c6]@8 c4@3 [gb4,bb4,bb5]@5 [c5,c6] eb4@7 bb5@9 db3@17 ~@7 f3@4 c6 bb5@7 f3@4 [eb4,f4]@5 g4 a4 bb4@3 bb2@25 db2@23 c2@6 eb5@6 eb4@7 [c4,eb5]@8 a4@7 a3@5 f3@20 db5@9 db4@3 a4@22, ~@3 eb3@20 [db2,bb4,f5]@27 [c2,a5,f6]@31 f3@28 ~@3 e4@3 ab3@2 e5@14 ~@6 c3@21 f2@32 bb2@34, ~@6 [gb3,ab4,ab5]@18 ~@3 bb2@24 ~@3 a2@30 ~@3 f4@3 [bb3,db4]@3 f5@16 c5@22 ~@3 eb4@9 ab3@15 ~@4 eb3@28 f4@8 bb4@26]/7", // Eb Ab7 Bb F E D5 C Gb …
  G: "[~@35 [eb4,eb5]@12 ~@12 ab3@4 f2, ~@2 g5@15 b4 bb4@2 a4@28 ~@8 c4@8, ~@2 g4@14 c5@5 ab4@2 [db4,g4]@24 [ab2,ab4,c5,ab5]@17, ~@2 db5@9 ~ [eb3,db5]@36 ~@4 eb3@12, ~@3 eb2@45 ~@16]/2", // Eb Dbdim Ab Eb7
  H: "[~@40 gb5@5 ~@11 gb5@2 ~@6 gb5@3 ~@4 gb4@3 ~@7 gb5@3 ~@6 gb5@3 ~@4 gb4@4 ~@9 b4@2 ~@5 b4@3 ~@6 b4@3 ~@7 b4@3 ~@4 bb4@3 ~@5 bb3@4 ~@17 gb5@3 ~@4 gb4@3 ~@8 gb5@3 ~@5 gb5@3 ~@4 gb4@5 ~@7 b4@3 ~@5 b4@2 ~@3 b3@3 ~@5 c5@3 ~@10 ab4@5, [bb4,db5]@13 ab3@9 c5@6 ab5@4 gb5@3 gb3 f5@9 b1@22 [db4,eb5,gb5]@8 eb4@18 [bb4,gb5]@3 eb3@24 [eb4,b4]@3 b3@16 [gb2,e5,bb5]@16 b1@15 b3@5 [db4,gb5] eb5@6 eb2@19 gb5 bb4@2 eb3@6 e2@17 [e4,b4]@6 [gb4,c5]@5 [gb3,gb4]@7 [ab3,gb5]@2 c5@9, ~@4 c3@10 [b3,e4]@9 gb2@23 ~@9 eb3@19 eb2@27 ab2@25 [db2,e4]@14 ~@6 [gb3,bb4]@10 b3@8 [eb5,gb5] b2@18 ~@4 gb4@3 bb4@3 gb5@2 [gb3,bb5,gb6]@15 ab3@7 e4@3 b4@2 ab3@19 c5@3 c6@12, ~@4 [ab4,c5]@6 c5 db3@8 db5@5 ~@3 [bb3,bb4]@19 b3@10 b2@19 ~@6 bb3@21 ab3@24 ~@7 e3@23 ~@8 eb3@19 eb4@27 ~@7 e3@16 ab2@23, ~@7 [ab3,g4,b4]@4 ab4@4 [ab4,eb5]@9 ~ [db3,db5]@21 ~@7 gb4@3 eb5@2 gb5@3 [b3,eb6,gb6]@13 ~@4 gb4@3 bb4@3 gb5@2 gb3 [bb5,gb6]@15 ~@5 b3@3 eb4@2 b4@3 [eb5,b5]@11 ~@4 b4@3 [e5,b5]@7 ~@7 e4@9 ~@5 gb4@6 gb5@2 [eb6,gb6]@14 ~@7 bb3@20 ~@4 b3@8 [e5,b5]@11 ~@2 c4@21]/8", // Bbm Ebm7 Ebm Abm Gb7 Gb5 E5 Gbdim …
  I: "[~@25 e4@3 ~@25 e4@2 ~@7 b4@2, gb4@4 [db4,db5]@24 gb2@11 bb4@3 bb5 bb3@3 bb4@4 ~@6 bb3@8, ~ db3@10 [eb4,eb5]@17 db3@8 gb3@12 [db3,ab3]@9 ~@3 gb5@4, ~@2 ab3@27 bb4@3 db4@18 [b3,ab4]@7 [db4,bb4]@7, ~@2 e4@6 ab5@6 b4@2 [e4,e5]@3 ab4@3 [b3,b4]@7 bb3@6 gb4@15 ~@5 gb3@9]/2", // Db Eb Db5 E Gb E B
  J: "[~@14 db4@3 ~@9 gb4@4 ~@4 gb5@3 ~@6 f5@2 ~@4 [db5,gb5]@2 ~@28 bb4@3 ~@13 gb4@4 ~@19 eb4@3 ~@22 bb3@4 ~@8 eb4@2 e4@2 ~@11 b2@4 ~@20 eb3@4 ~@21 eb4@4 [ab3,bb6], ~ ab4@3 [b3,db5]@13 ~@3 bb3@10 [bb3,gb4]@8 [f4,ab4]@9 gb4@5 [ab4,b4,b5]@4 [db4,gb4]@5 [ab3,b3]@5 d5@3 ~@3 bb4@3 [db5,ab5]@7 d5@8 ~@9 eb5@27 b3@5 gb2@16 [b1,b4,eb5,b5]@15 [b3,gb4]@12 eb5@7 bb5@5 bb4 eb4@2 bb3@2 [gb3,eb5] [eb4,bb4]@7 ~@2 eb3@11 eb4@3 b3@9, ~@2 [db3,ab3]@15 gb2@22 ~@6 [db4,e4]@7 ~@3 bb3@5 gb5@2 ~@4 gb3@16 [gb2,bb5]@18 ~@5 [b3,gb4]@5 ~@3 f3@8 [db3,b4]@8 e4@7 bb3@3 [e4,gb4,db5,gb5]@9 ~@3 gb2@13 gb3@3 [eb3,db5,db6]@7 [eb2,eb6]@24 ~@10 ab3@4 eb7@12, ~@7 e4@10 gb4@9 ~@11 d4@9 [bb4,bb5]@6 ~@3 [f5,ab5]@2 bb4@5 f4@5 db4@15 ~@4 [bb3,bb4]@13 b2@12 [ab2,bb4]@10 ~@5 bb4@21 ~@8 eb3@4 gb3 e4@14 gb5@7 [gb3,bb4,eb5]@3 bb3@2 [gb4,gb5]@12 ~@7 b3@6 [eb6,ab6]@13, ~@10 ab4@7 ~@6 [gb3,db4]@15 ~ [b4,ab5]@8 ~@4 [b3,d4,f4]@7 [db5,db6]@5 [ab4,b4,ab5]@6 [e4,gb5]@13 ~@8 [e4,d5,gb5]@9 ~@3 [gb3,eb4]@6 eb4@8 [b3,ab4]@6 ~@2 e3@8 eb5@15 ~@12 eb4@16 ~@3 bb2@20 [ab2,ab4,b4,ab5]@26]/7", // Gb5 Absus2 Bsus2 Ebm Fm Abm Gb5 Abm …
  K: "[~@11 eb6@2 ~@10 gb3@3 ~@8 e4@2 ~@32 b3@3 ~@7 e3@3 ~@38 eb5 ~ [db2,e5]@5 e4@2, ~ ab6@2 e6@10 db6@13 [b1,b4,eb5,b5]@10 gb3 e4@2 [b3,gb4]@11 ~@2 a3@2 b3 b4@2 eb4@3 [a4,db5,db6]@2 eb4@3 [gb4,eb5,eb6]@6 db5@14 [db4,ab5]@3 ab3@3 db4@3 [ab3,eb6] db6@2 [eb4,eb6]@2 ab3@3 e3@3 [ab3,ab5] gb5@2 [e4,ab5]@2 e3@3 ab4@3 bb4 b4 db5@3 ~@7, ~@2 [db3,bb6]@12 [gb2,eb6]@13 ~@2 gb2@12 gb3@3 [bb3,db5,db6]@2 gb3@26 ~ db6@8 e3@4 ab6@36 ~@7, ~@5 b3@9 ~@3 db3@10 ~@6 eb3@16 b2@23 e2@49 ~@7, ~@8 e4@6 ~@6 [bb3,gb4,bb4,gb5]@7 ~@6 eb4@3 eb4@13 [eb5,eb6]@5 b5@18 ab5@3 db3@46 ~@7]/4", // Dbm B B5 A Ebm Db5 Ab5 Eb …
  L: "[~@15 ab4@2 ~@21 e4@3 ~@24 b4@5 ~@24 [gb4,gb5]@10 ~@28 [e4,e5]@10 ~@35 [gb4,gb5]@15, ab4@11 [b3,eb5]@6 e2@13 e4@3 e5@9 ~@6 eb3@22 [ab2,ab4,c5]@34 [db3,ab5]@13 [ab3,db5] c5@2 b4 bb4 a4 e4 ab4@18 bb4@12 f5@4 d5 db5 c5@2 b4@2 [e4,bb4]@28, ~ [ab3,b4]@17 ~@6 b4@11 [b3,g4,db5]@7 [eb2,db5]@29 ~@3 gb3@30 ~@4 ab3@4 e5@4 d5@26 ~@5 gb3@5 e4@3 e5@37, ~ b3@8 e5@9 eb5@24 ~@3 gb4@6 b4@3 b3@4 b4@3 gb3 gb5@9 ~@6 c4@4 ab3@23 e5@8 db4@30 [gb2,bb5]@50, ~@3 e5@3 [e4,ab5,e6]@12 ~@4 e4@2 g4 b3@2 e5@3 [g5,b5]@12 ~@6 [gb3,gb5]@7 gb4@31 [c4,eb4,f4,f5]@18 ab4@10 eb5@28 ~@9 gb5@6 [gb3,eb5]@35]/6", // Gb E Gb B Ab Db5 Edim Abm …
  M: "[~@26 b2@3 ~@20 gb3@4 ~@21 ab3@3 ~@31 g3@6 ~@44 gb6@59 ~@7, ~ [b1,b4,eb5,b5]@29 ~@5 [eb3,eb4,gb4]@3 gb3@3 [bb3,gb4]@13 ~@5 e3@6 b3@2 e4@3 b3 b4@6 [a2,db5]@37 b4@11 eb3@17 gb4@64 ~@18, ~@7 gb2@15 db5 eb3@7 ~@2 bb2@9 eb4@3 gb3@2 [eb3,eb4]@7 ~@3 b2@21 [e4,g4]@11 db4@4 [e4,g4,b4,eb5]@22 gb4@7 gb2@16 eb4@19 [eb5,b5]@62 ~@6, ~@11 eb3@9 gb3@9 [eb2,eb5]@24 [e2,ab4]@25 ~@3 g3@20 [b3,e5]@14 b1@18 b3@22 gb5@62 ~@7, ~@14 gb3@3 b3@12 [gb4,bb4]@6 bb4@18 e4@9 ab3@3 bb4@13 ~@7 b3@12 db4@19 [eb5,gb5]@13 gb3@19 b4@64 ~@12]/7", // B Ebm A Eb Em Abm Eb E …
})).s("gm_piano").gain(0.4)

stack(piano)