// Don't Start Now — Casey Liew
// 124 bpm, 4/4, key D major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: metre changes (4/4 at bar 1, 17/16 at bar 48, 4/4 at bar 49, 17/16 at bar 66, ...) are rendered on a constant 4/4 grid of one bar per cycle
// note: Transcription provider: pdmx. https://musescore.com/score/6386979; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 202 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(124/4)

// 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@5 B C D E F C G E H C D E I@8 J C D E F C D K L M N O P Q R O S C D E T@8 U V W X Y V W X Z AA AB AC AD@2 AE@5 AF
  AG@3 AH AI AJ AK AL AM AJ AN AL AM AO AP AQ AR AO AP AQ AR AS AT AU AV AS AT AU AW AX ~@99
>`.pickRestart({
  A: "[~@11 [e3,g3,b3,e4]@16 [b2,f#3,b3,d4]@16 [d3,f#3,a3,d4]@16 [d3,f#3,a3,d4]@2 ~ b3 b3@12 ~@5, ~@62 [e3,g3,e4]@13 ~@5]/5", // Em Bm D Em
  B: "~@7 f#2@4 e1@3 e2 ~", C: "~ e1@4 e2@2 ~@2 a1 a#1 b1@3 b2 ~", D: "~ b1@4 b2@2 ~@2 e1 f#1 g1@3 g2 ~",
  E: "~ g1@4 g2@2 ~@2 b1 c#2 d2@3 d3 ~", F: "~ a1@4 a2@2 ~@2 a1@2 e1@3 e2 ~",
  G: "~ b1@3 b1@2 b1 f#2 e2 d2 b1 g1@3 g2 ~", H: "~ a1@3 a2 ~@2 a1@2 a2@2 e1@3 e2 ~",
  I: "[~ a1@4 a2@2 a1@2 b1@2 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~ d4 d4@12 [f#2,f#3,a3,c#4,e4]@2 ~ [b3,f#4] [b3,f#4]@12 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~ [g3,b3] [g3,b3]@12 [f#2,f#3,a3,c#4,e4]@2 ~ [g2,g3,b3,d4,f#4]@2, ~@46 [e2,e3,g3,b3]@13 ~@3 [g2,g3,d4]@13 ~@35 [e2,e3,d4]@13 ~@5]/8", // Bm7 D F#m7 B5 Bm7 D G F#m7 …
  J: "~@11 e1@3 e2 ~", K: "~ g1@4 g2@2 ~@2 b1 c#2 d2@3 ~@2", L: "~@11 e1@3 e2 ~, ~@11 [g3,b3,d4]@5",
  M: "~ d4@2 ~@2 e2@2 ~@2 a1 a#1 b1@3 b2 ~, ~ [g3,b3,f#4]@10 [f#3,b3,d4]@5, ~ e1@4 ~@11, ~@3 d4@8 ~@5", // Gmaj7 Bm
  N: "~ d4@2 ~@2 b2@2 ~@2 e1 f#1 g1@3 g2 ~, ~ [f#3,b3,f#4]@10 [d3,g3,b3]@5, ~ b1@4 ~@11, ~@3 d4@8 ~@5", // B5 G
  O: "~ g1@4 g2@2 ~@2 b1 c#2 [d2,d3]@3 d3@2, ~ [d3,g3,b3,d4]@10 [f#3,a3,d4]@5", // D G D
  P: "~ a1@4 a2@2 ~@2 a1@2 e1@3 e2 ~, ~ [e3,a3,c#4,e4]@10 [g3,b3,d4]@5", // A G
  Q: "~ [b3,d4]@2 ~@2 e2@2 ~@2 a1 a#1 b1@3 b2 ~, ~ [g3,f#4]@10 [f#3,b3,d4]@5, ~ e1@4 ~@11, ~@3 [b3,d4]@8 ~@5", // Bm Gmaj7 Bm
  R: "~ b1@3 b1@2 b1 f#2 e2 d2 b1 g1@3 g2 ~, ~ [f#3,b3,d4,f#4]@10 [d3,g3,b3]@5", // Bm G
  S: "~ a1@3 a2 ~@2 a1@2 a2@2 e1@3 e2 ~, ~ [e3,a3,c#4,e4]@10 ~@5", // A
  T: "[~ a1@4 a2@2 a1@2 b1@2 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~ [e2,e3,g3,b3,d4]@14 [f#2,f#3,a3,c#4,e4]@2 ~ b3 b3@12 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~ [e2,e3,g3,b3,d4]@13 [f#2,f#3,a3,c#4,e4]@2 ~ [g2,g3,b3,d4,f#4], ~@63 [g2,g3,d4,f#4]@13 ~@52]/8", // Bm7 D Em7 F#m7 Bm7 D Em7 F#m7 …
  U: "~@12 e1@3 e2", V: "~@2 e1@4 e2@2 ~@2 a1 a#1 b1@3 b2", W: "~@2 b1@4 b2@2 ~@2 e1 f#1 g1@3 g2",
  X: "~@2 g1@4 g2@2 ~@2 b1 c#2 d2@3 d3", Y: "~@2 a1@4 a2@2 ~@2 a1@2 e1@3 e2",
  Z: "~@2 a1@4 a2@2 ~@2 f#5 a5 [e1,d5,f#5,g5,b5]@3 e2", // Em7
  AA: "~@4 [d5,f#5,g5,b5]@2 e2@2 [d5,f#5,g5,b5]@2 a1 a#1 [b1,b4,d5,e5]@3 b2, ~ e1@2 ~@5", // Gmaj7 E7
  AB: "~@4 [b4,d5,e5]@2 b2@2 [b4,d5,e5]@2 [e1,d6] [f#1,c#6] [g1,d5,g5,b5]@3 g2, ~ b1@2 ~@5", // E7 F#5 G
  AC: "~@4 [d5,g5,b5]@2 g2@2 [d5,g5,b5]@2 b1 c#2 d2@2 ~ d3, ~ g1@2 ~@4 [f#5,a5,b5,d6]", // G Bm7
  AD: "[a5 ~@3 [f#5,a5,b5,d6]@2 a2@2 ~@2 f#5 a5 [e1,d5,f#5,g5,b5]@3 e2@2 ~@3 [d5,f#5,g5,b5]@2 ~@2 [d5,f#5,g5,b5]@2 ~ a1 a#1 [b1,b4,d5,e5]@3, ~ [f#5,a5,b5,d6]@3 ~@28, ~@2 a1@4 ~@4 a1@2 ~@7 e1@4 e2@2 ~@7]/2", // Bm7 Em7 Gmaj7 E7 Bm7
  AE: "[b2 ~@4 [b4,d5,e5]@2 b2@2 [b4,d5,e5]@2 [e1,d6] [f#1,c#6] g1@3 g2 ~@2 g1@4 g2@2 ~@2 b1 c#2 d2@3 d3 ~@6 a2@2 a1@2 b1@2 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~, ~@3 b1@4 ~@6 [d5,g5,b5]@16 [d5,f#5,a5,b5]@8 c#6@8 ~@35, ~@35 a1@4 ~@41]/5", // E7 F#5 Bm7 D G Bm7
  AF: "[e2,e3,g3,b3,d4]@13 [f#2,f#3,a3,c#4,e4]@2 ~", // Em7 F#m7
  AG: "[d4 d4@12 [b1,b2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@16 [d2,d3,f#3,a3,d4]@2 ~, [g2,g3,b3,f#4]@13 ~@35]/3", // Bm7 D Gmaj7
  AH: "d4@9 b4 a4 f#4 e4 ~@3, [e3,g3,b3], e2@13 ~@3", // Em
  AI: "[f#2,f#3,a3,c#4,e4]@2 ~ [g2,f#4] g2@4 ~ b2@3 ~@2 a1 a#1, ~@3 [g3,d4]@13, ~@3 b3@6 b3@7, ~ f#4@3", // F#m7 Gmaj7 G5
  AJ: "b1@3 b2 ~@2 b1@4 b2@2 ~@2 b1 c#2, [b3,d4,f#4,a4]", AK: "d2@3 d3 ~@2 d2@4 d3@2 ~@2 b1 c#2, [d4,f#4,a4,d5]",
  AL: "e2@3 e2 ~@2 e2 f#2@3 e2@2 ~@2 g1 f#2, [d4,f#4,a4,d5]@3 [e4,g4,b4,d5]@5", // D Em7
  AM: "g2@3 g2 ~@2 g2@6 ~@2 a1 a#1, [f#4,a4,c#5,e5]@3 [g4,b4,d5,f#5]@5", // F#m7 Gmaj7
  AN: "d2@3 d3 ~@2 d2@4 d3@2 ~@2 b1 d2, [d4,f#4,a4,d5]", // D
  AO: "[b1,b4,d5,f#5,a5]@3 b2 ~@4 [d5,f#5,g5,b5]@2 b2@2 [d5,f#5,g5,b5]@2 b1 c#2, ~@3 b1@2 ~@3", // Bm7 Gmaj7
  AP: "[d2,f#4,a4,d5]@3 d3 ~@4 [b4,d5,e5]@2 d3@2 [b4,d5,e5]@2 [b1,d6] [d2,c#6], ~@3 d2@2 ~@3", // D E7 Bm Dmaj7
  AQ: "[e2,f#5,a5,d6]@3 e2 ~@2 e2 ~ [d5,g5,b5]@2 e2@2 [d5,g5,b5]@2 g1 f#2, ~@7 f#2@3 ~@6", // D G
  AR: "g2@3 g2 ~@2 [g4,b4,d5,f#5]@8 [a1,f#5] [a#1,a5], [f#4,a4,c#5,e5]@3 g2@3 ~@2", AS: "[b1,b2,d3,f#3,a3,d4]",
  AT: "[d2,d3,f#3,a3,d4]", AU: "[d2,d3,f#3,a3,d4]@2 ~ [e2,e3,g3,b3,d4]@13",
  AV: "[f#2,f#3,a3,c#4,e4]@2 ~ d4 d4@12, ~@3 [g2,g3,b3,f#4]@13", AW: "[f#2,f#3,a3,c#4,e4]@2 ~ [g2,g3,b3,d4,f#4]@13",
  AX: "[b1,b2,f#3,b3,d4]", // Bm
})).s("gm_piano").gain(0.24)

stack(piano)