// think — Blues Brothers
// 150 bpm, 4/4, key Bb major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: metre changes (4/4 at bar 1, 5/4 at bar 58, 4/4 at bar 59, 5/4 at bar 62, ...) are rendered on a constant 4/4 grid of one bar per cycle
// note: Transcription provider: pdmx. https://musescore.com/score/5965109; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 79 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(150/4)

// 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 · alto sax · "Alt-Sax."
const alto_sax = note(`<
  ~@7 A B ~@11 C D E F C D E G H@2 ~@2 I ~@3 I ~ J@2 K@2 I ~@3 L M N O L M N O P@2 Q R S T S U V W X@4 Y@8 Z AA AB
>`.pickRestart({
  A: "~@8 [ab3,ab4] [f3,f4]@2 [eb3,eb4] ~ [db3,db4] [bb2,bb3]@2", B: "[bb2,bb3] ~@3", C: "[d4,f4]", D: "[f4,ab4]",
  E: "[g4,bb4]", F: "[f4,bb4]@8 [ab3,ab4] [f3,f4]@2 [eb3,eb4] ~ [db3,db4] [bb2,bb3] ~",
  G: "[f4,bb4]@8 [ab3,ab4] [f3,f4]@2 [eb3,eb4] ~ [db3,db4] [bb2,bb3]@2", H: "[b3,b4]/2", I: "~ [eb4,ab4,b4] ~@2",
  J: "[d4,gb4,b4]/2", K: "[[d4,gb4,b4]@24 [a3,a4] [gb3,gb4]@2 [e3,e4] ~ [d3,d4] [b2,b3]@2]/2", L: "[b3,eb4,gb4]",
  M: "[d4,gb4,a4]", N: "[e4,ab4,b4]", O: "[eb4,gb4,b4]@8 [a3,a4] [gb3,gb4]@2 [e3,e4] ~ [d3,d4] [b2,b3]@2",
  P: "[c4,c5]/2", Q: "~@4 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4] c4 [c4,f4,a4]@3 [bb3,e4,g4]@2 ~@2",
  R: "~@4 f4 f4@2 f4 c4 eb4@3 c4@4", S: "~@8 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4] c4 [c4,f4,a4]@3",
  T: "[bb3,e4,g4]@2 ~@2 f4 f4@2 f4 c4 eb4@3 c4@2 [e4,a4,c5]@2", U: "[bb3,e4,g4]@2 ~@6 f4 f4@2 f4 c4 eb4@3",
  V: "c4@4 ~@8 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4]", W: "c4 [c4,f4,a4]@3 [bb3,e4,g4]@2 ~@2 f4 f4@2 f4 c4 eb4@3",
  X: "[c4 [e4,a4,c5] ~@2 [eb4,g4,c5]@16 [eb4,g4,c5]@12]/4", // Am Cm
  Y: "[bb4 g4@2 f4 ~ eb4 c4@2 [e4,a4,c5]@32 c4@32 [e4,a4,c5]@32 c4@24]/8", Z: "~@2 c5 e4", AA: "f4 gb4 g4 a4",
  AB: "bb4 a4 bb4 b4 c5@2 c5@2",
})).s("gm_alto_sax").gain(0.18)

// other · flute · "Flte"
const flute = note(`<
  ~@7 A B ~@11 C D E F C D E G H@2 ~@11 I J ~@3 K L M N K L M N O@2 P Q R S R T U V W@4 X@8 Y Z AA
>`.pickRestart({
  A: "~@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4]@2", B: "[bb3,bb4] ~@3", C: "f4", D: "ab4", E: "bb4",
  F: "bb4@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4] ~", // Ab F Eb Db Bb
  G: "bb4@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4]@2", H: "b4/2", I: "~@8 a5 gb5@2 e5 ~ d5 b4@2",
  J: "~ [eb4,ab4,b4] ~@2", K: "gb5", L: "a5", M: "b5", N: "b5@8 a5 gb5@2 e5 ~ d5 b4@2", O: "[c4,c5]/2",
  P: "~@4 [d5,g5,bb5] [d5,g5,bb5]@2 [d5,g5,bb5] c5 [c5,f5,a5]@3 [bb4,e5,g5]@2 ~@2", Q: "~@4 f5 f5@2 f5 c5 eb5@3 c5@4",
  R: "~@8 [d5,g5,bb5] [d5,g5,bb5]@2 [d5,g5,bb5] c5 [c5,f5,a5]@3", // Gm F
  S: "[bb4,e5,g5]@2 ~@2 f5 f5@2 f5 c5 eb5@3 c5@2 [e5,a5,c6]@2", T: "[bb4,e5,g5]@2 ~@6 f5 f5@2 f5 c5 eb5@3",
  U: "c5@4 ~@8 [d5,g5,bb5] [d5,g5,bb5]@2 [d5,g5,bb5]", V: "c5 [c5,f5,a5]@3 [bb4,e5,g5]@2 ~@2 f5 f5@2 f5 c5 eb5@3",
  W: "[c5 [e5,a5,c6] ~@2 [eb5,g5,c6]@16 [eb5,g5,c6]@12]/4", // Am Cm
  X: "[bb4 g4@2 f4 ~ eb4 c4@2 [e5,a5,c6]@32 c5@32 [e5,a5,c6]@32 c5@24]/8", Y: "~@2 c5 e4", Z: "f4 gb4 g4 a4",
  AA: "bb4 a4 bb4 b4 c5@2 c5@2",
})).s("gm_flute").gain(0.16)

// chords · trumpet · "Bb-Trompete"
const trumpet = note(`<
  ~@7 A B ~@11 C D E F C D E G H@2 ~@2 I ~@3 I ~ J@2 K@2 L ~@3 M N O P M N O P Q@2 R S T U T V W X Y@4 Z@8 AA AB AC
>`.pickRestart({
  A: "~@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4]@2", B: "[bb3,bb4] ~@3", C: "[bb3,d4,f4]",
  D: "[db4,f4,ab4]", E: "[eb4,g4,bb4]", F: "[d4,f4,bb4]@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4] ~",
  G: "[d4,f4,bb4]@8 [ab4,ab5] [f4,f5]@2 [eb4,eb5] ~ [db4,db5] [bb3,bb4]@2", H: "[b3,b4]/2", I: "~ [eb4,ab4,b4] ~@2",
  J: "[d4,gb4,b4]/2", K: "[[d4,gb4,b4]@24 [a4,a5] [gb4,gb5]@2 [e4,e5] ~ [d4,d5] [b3,b4]@2]/2", L: "~ [b4,b5] ~@2",
  M: "[b3,eb4,gb4]", N: "[d4,gb4,a4]", O: "[e4,ab4,b4]",
  P: "[eb4,gb4,b4]@8 [a4,a5] [gb4,gb5]@2 [e4,e5] ~ [d4,d5] [b3,b4]@2", Q: "[c4,c5]/2",
  R: "~@4 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4] c4 [c4,f4,a4]@3 [bb3,e4,g4]@2 ~@2", S: "~@4 f4 f4@2 f4 c4 eb4@3 c4@4",
  T: "~@8 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4] c4 [c4,f4,a4]@3", // Gm F
  U: "[bb3,e4,g4]@2 ~@2 f4 f4@2 f4 c4 eb4@3 c4@2 [e4,a4,c5]@2", V: "[bb3,e4,g4]@2 ~@6 f4 f4@2 f4 c4 eb4@3",
  W: "c4@4 ~@8 [d4,g4,bb4] [d4,g4,bb4]@2 [d4,g4,bb4]", X: "c4 [c4,f4,a4]@3 [bb3,e4,g4]@2 ~@2 f4 f4@2 f4 c4 eb4@3",
  Y: "[c4 [e4,a4,c5] ~@2 [eb4,g4,c5]@16 [eb4,g4,c5]@12]/4", Z: "[~ [e4,a4,c5]@4 c4@4 [e4,a4,c5]@4 c4@3]/8",
  AA: "~@2 c5 e4", AB: "f4 gb4 g4 a4", AC: "bb4 a4 bb4 b4 c5@2 c5@2",
})).s("gm_trumpet").gain(0.16)

// other · french horn · "Horn in F"
const french_horn = note(`<
  ~@9 A B A B A B A B A B A C D E F C D E G H@2 ~ I J ~@2 I J ~ K@2 L@2 M ~@3 N O P Q N O P Q R@2 S T U ~ V ~ W ~ X@4
  Y@8 Z AA AB
>`.pickRestart({
  A: "~@7 a3", B: "bb3 ~@7", C: "bb3", D: "db4", E: "eb4", F: "d4@8 ab4 f4@2 eb4 ~ db4 bb3 ~",
  G: "d4@8 ab4 f4@2 eb4 ~ db4 bb3@2", H: "b3/2", I: "~@7 bb3", J: "b3 ~ a3@2 ~@4", K: "ab3/2",
  L: "[ab3@24 a4 gb4@2 e4 ~ d4 b3@2]/2", M: "~ a3 ~@2", N: "b3", O: "d4", P: "e4", Q: "b3@8 a4 gb4@2 e4 ~ d4 b3@2",
  R: "c4/2", S: "c4 ~@7", T: "~@7 b3", U: "~ c4 ~@2", V: "~@2 c4 ~@5", W: "~ b3 ~@2 c4@2 ~@2", X: "[~ a3@4 a3@3]/4",
  Y: "[bb3 g3@2 f3 ~ eb3 c3@2 bb3@32 c3@32 bb3@32 c3@24]/8", Z: "~@2 c4 e3", AA: "f3 gb3 g3 a3",
  AB: "bb3 a3 bb3 b3 c4@2 c4@2",
})).s("gm_french_horn").gain(0.16)

// other · trombone · "Posaune"
const trombone = note(`<
  ~@9 A B A B A B A B A B A C D E F C D E G H@2 ~ I J ~@2 I J ~ K@2 L@2 M ~@3 N O P Q N O P Q R@2 S T U ~ V ~ W ~ X@4
  Y@8 Z AA AB
>`.pickRestart({
  A: "~@7 a2", B: "bb2 ~@7", C: "bb2", D: "db3", E: "eb3", F: "bb2@8 ab3 f3@2 eb3 ~ db3 bb2 ~",
  G: "bb2@8 ab3 f3@2 eb3 ~ db3 bb2@2", H: "b2/2", I: "~@7 bb2", J: "b2 ~@7", K: "e2/2",
  L: "[e2@24 a3 gb3@2 e3 ~ d3 b2@2]/2", M: "~ b2 ~@2", N: "b2", O: "d3", P: "e3", Q: "b2@4 ~@4 a3 gb3@2 e3 ~ d3 b2@2",
  R: "c3/2", S: "c3 ~@7", T: "~@7 b2", U: "~ c3 ~@2", V: "~@2 c3 ~@5", W: "~ b2 ~@2 c3@2 ~@2", X: "[~ f2@4 f2@3]/4",
  Y: "[bb3 g3@2 f3 ~ eb3 c3@2 g3@32 c3@32 g3@32 c3@24]/8", Z: "~@2 c3 e2", AA: "f2 gb2 g2 a2",
  AB: "bb2 a2 bb2 b2 c3@2 c3@2",
})).s("gm_trombone").gain(0.18)

// other · electric guitar jazz · "E-Gitarre"
const electric_guitar_jazz = note("<~@7 A ~@15 B ~@3 B ~@13 C ~@7 C ~@3 C ~@14 D ~@7 E F G>".pickRestart({
  A: "~@8 ab4 f4@2 eb4 ~ db4 bb3@2", B: "~@8 ab4 f4@2 eb4 ~ db4 bb3 ~", C: "~@8 a4 gb4@2 e4 ~ d4 b3@2",
  D: "bb4 g4@2 f4 ~ eb4 c4@2 ~@8", E: "~@2 c5 e4", F: "f4 gb4 g4 a4", G: "bb4 a4 bb4 b4 c5@2 c5@2",
})).s("gm_electric_guitar_jazz").gain(0.3)

// bass · electric bass pick · "E-Bass"
const bass = note(`<
  ~@4 A@3 B C D E D F D F D F D F D G H I J G H I J K@2 L M N M L M N M O@4 K@4 P Q R S P Q R S T@2 U V W X Y Z AA AB
  AC@4 AD AE@7 AF AG AH
>`.pickRestart({
  A: "bb1 ~@3", B: "bb1@4 ~@4 ab2 f2@2 eb2 ~ db2 bb1@2", C: "bb1@3 bb1 f1@2 g1@2 bb1@4 d2@2 f2@2",
  D: "eb2@4 f2@4 bb1@3 bb1 f1@2 g1@2", E: "bb1@2 f1 g1 bb1!2 c2 d2", F: "bb1@2 f1 g1 bb1@2 d2 f2", G: "bb1!7 c2",
  H: "db2!8", I: "eb2!8", J: "bb1@2 bb1@2 bb1@2 bb1@2 ab2 f2@2 eb2 ~ db2 bb1@2",
  K: "b1@3 b1 gb1@4 b1@2 b1@2 gb1@2 bb1@2", L: "b1@3 b1 gb1@2 ab1@2 b1@4 eb2@2 gb2@2",
  M: "e2@4 gb2@4 b1@3 b1 gb1@2 ab1@2", N: "b1@2 gb1 ab1 b1!2 db2 eb2",
  O: "[~@2 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@4 e1@6 a2 gb2@2 e2 ~ d2 b1@2]/4", P: "b1!7 db2",
  Q: "d2!8", R: "e2!8", S: "b1@2 b1@2 b1@2 b1@2 a2 gb2@2 e2 ~ d2 b1@2", T: "c2@3 c2 g1@4 c2@2 c2@2 g1@2 b1@2",
  U: "c2@2 g1 a1 c2!2 d2 e2", V: "f2@4 g2@4 c2@3 c2 g1@2 a1@2", W: "~@4 c2@3 c2 g1@2 a1@2 c2@2 c2@2",
  X: "e2@2 g2@2 f2@3 f2 g2@3 g2 c2@3 c2", Y: "g1 a1 c2@2 g1 a1 c2!2", Z: "d2@2 e2@2 f2@4 g2@4 c2@3 c2",
  AA: "g1@2 a1@2 ~@4 c2@3 c2 g1@2 a1@2", AB: "c2@2 c2@2 e2@2 g2@2 f2@3 f2 g2@3 g2",
  AC: "[c2@3 c2 g1@2 a1@2 ~@2 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@4 f1@6]/4",
  AD: "bb2 g2@2 f2 ~ eb2 c2@2 c2@3 c2 g1@4", AE: "c2@2 c2@2 g1@2 b1@2 c2@3 c2 g1@4", AF: "c2!2 g1 b1 c2@2 e1@2",
  AG: "f1 gb1 g1 a1", AH: "bb1 a1 bb1 b1 c2@2 c2@2",
})).s("gm_electric_bass_pick").gain(0.3)

// chords · piano · "Klavier"
const piano = note(`<
  A@4 B C@2 D E F E F E F E F E F E F G H@2 I G J K I L@2 M N M N M N M N O P Q R L@4 S T@2 U S V Q U W@2 X Y Z AA@2
  AB@2 AC AD AE AF AG@2 AH@7 AI AJ AK
>`.pickRestart({
  A: "[bb1,bb2,d4,g4,bb4,db5,d5]@3 ab4 bb4@2 ab4 bb4 ~ ab4 bb4@2 [bb1,bb2,eb4,g4,bb4,eb5]@4", // Gm Eb
  B: "[bb1,bb2,d4,g4,bb4,db5,d5]@2 [g4,bb4,eb5] [f4,bb4,d5] [bb1,bb2]@2 [g4,bb4,eb5] [f4,bb4,d5]", // Gm Eb Bb Eb Bb
  C: "[bb1,bb2]@2 [g4,bb4,eb5] [f4,bb4,d5] [bb1,bb2]@2 [g4,bb4,eb5] [f4,bb4,d5]", // Bb Eb Bb Eb Bb
  D: "[bb1,bb2]@2 [g4,bb4,eb5] [f4,bb4,d5] [bb1,bb2]@2 ~@2", // Bb Eb Bb
  E: "~@2 [f4,bb4,d5]@2 [f1,f2]@2 [g1,g2,g4,bb4,eb5]@2 [bb1,bb2,f4,bb4,db5,d5]@3 [f4,bb4,d5] ~@2 [f4,bb4,d5]@2, [bb1,bb2] ~@3", // Bb F Eb Bb
  F: "~@2 [g4,bb4,eb5]@2 ~@2 [g4,bb4,eb5]@2 [bb1,bb2,f4,bb4,d5]@3 [f4,bb4,d5]@3 [g1,g2,f4,bb4,d5]@2, [bb1,bb2] ~@3", // Eb Bb Gm7 Bb
  G: "[bb2,bb3,d4,f4]@4 ~ bb3@3 ~@6 bb3@2, ~ bb2!3, ~@5 [bb3,d4,f4]@2 ~", // Bb
  H: "[db3@2 db3@2 ~@2 db3 ~ eb3@2 eb3@2 ~@2 eb3@2, [ab3,db4,f4]@5 [ab3,db4,f4]@3 [bb3,eb4,g4]@5 [bb3,eb4,g4]@3, ~@4 db3@2 ~ db3@3 ~@2 eb3@2 ~@2]/2", // Db Eb
  I: "bb2@2 ~@3 bb3@2 bb3, [bb3,d4,f4]@3 bb3@2 ~@3, ~ bb2 bb2@2", // Bb
  J: "~@2 db3@2 ~@2 db3!2, [ab3,db4,f4]@5 [ab3,db4,f4]@3, ~@2 db3 ~", // Db
  K: "eb3!2 ~ eb3, [bb3,eb4,g4]@5 [bb3,eb4,g4]@3, ~@2 eb3 ~", // Eb
  L: "~@2 [gb4,b4,eb5]@2 ~@2 [ab4,b4,e5]@2 [gb4,b4,d5,eb5]@3 [gb4,b4,eb5] ~@2 [gb4,b4,eb5]@2, b2!2", // B E B
  M: "~@2 [gb4,b4,eb5]@2 [gb1,gb2]@2 [ab1,ab2,ab4,b4,e5]@2 [b1,b2,gb4,b4,d5,eb5]@3 [gb4,b4,eb5] ~@2 [gb4,b4,eb5]@2, [b1,b2] ~@3", // B Gb E B
  N: "~@2 [ab4,b4,e5]@2 ~@2 [ab4,b4,e5]@2 [b1,b2,gb4,b4,eb5]@3 [gb4,b4,eb5]@3 [ab1,ab2,gb4,b4,eb5]@2, [b1,b2] ~@3", // E B Abm7 B
  O: "[e3,b3,e4,ab4]@4 ~ b3@3 ~@6 b3@2, ~ e3!3, ~@5 [b3,e4,ab4]@2 ~", // E
  P: "e3@2 e3@2 ~@2 e3!2, [b3,e4,ab4]@5 [b3,e4,ab4]@3, ~@2 e3 ~", Q: "e3!2 ~ e3, [b3,e4,ab4]@5 [b3,e4,ab4]@3, ~@2 e3 ~",
  R: "e3@2 ~@2 b2 b2@2 b2, [b3,e4,ab4]@3 b3@3 ~@2, ~ e3 ~@2", // E
  S: "[b2,b3,eb4,gb4]@4 ~ b3@3 ~@6 b3@2, ~ b2!3, ~@5 [b3,eb4,gb4]@2 ~", // B
  T: "[d3@2 d3@2 ~@2 d3 ~ e3@2 e3@2 ~@2 e3@2, [a3,d4,gb4]@5 [a3,d4,gb4]@3 [b3,e4,ab4]@5 [b3,e4,ab4]@3, ~@4 d3@2 ~ d3@3 ~@2 e3@2 ~@2]/2", // D E
  U: "b2@2 ~@3 b3@2 b3, [b3,eb4,gb4]@3 b3@2 ~@3, ~ b2 b2@2", // B
  V: "~@2 d3@2 ~@2 d3!2, [a3,d4,gb4]@5 [a3,d4,gb4]@3, ~@2 d3 ~", // D
  W: "~@2 [g4,c5,e5]@2 ~@2 [a4,c5,f5]@2 [g4,c5,eb5,e5]@3 [g4,c5,e5] ~@2 [g4,c5,e5]@2, c3!2", // C F C
  X: "~@2 [g4,c5,e5]@2 [g1,g2]@2 [a1,a2,a4,c5,f5]@2 [c2,c3,g4,c5,eb5,e5]@3 [g4,c5,e5] ~@2 [g4,c5,e5]@2, [c2,c3] ~@3", // C G F C
  Y: "~@2 [a4,c5,f5]@2 ~@2 [a4,c5,f5]@2 [c2,c3,g4,c5,e5]@3 [g4,c5,e5]@3 [a1,a2,g4,c5,e5]@2, [c2,c3] ~@3", // F C Am7 C
  Z: "~@6 [c4,g4,c5,e5]@2 ~ c4 [a1,a2,a3,c5,f5]@2 [c2,c3,c4,g4,c5,eb5,e5]@3 [c4,g4,c5,e5], ~@2 [c2,c3]@2 [g1,g2] ~@3", // C F C G
  AA: "[~@2 [bb3,g4,c5,e5]@2 c4@2 [c4,a4,c5,f5]@2 c4@2 [a4,c5,f5] c4 [g4,c5,e5]@2 c4 [g4,c5,e5]@3 [a1,a2,bb3,g4,c5,e5]@2 ~@2 [g4,c5,e5]@2 [g1,g2]@2 [a1,a2,a4,c5,f5]@2 [c2,c3,g4,c5,eb5,e5]@3 [g4,c5,e5], ~ [c2,c3] ~ [c2,c3] ~ [c2,c3] ~@2]/2", // C7 F C Am7 C G F C
  AB: "[~@2 [g4,c5,e5]@2 ~@2 [a4,c5,f5]@2 ~@2 [a4,c5,f5]@2 [c2,c3,g4,c5,e5]@3 [g4,c5,e5]@3 [a1,a2,g4,c5,e5]@2 ~@6 [c4,g4,c5,e5]@2 ~ c4 [a1,a2,a3,c5,f5]@2, ~@2 [c2,c3]@2 ~@8 [c2,c3]@2 [g1,g2] ~]/2", // C F C Am7 C F C G
  AC: "[c2,c3,c4,g4,c5,eb5,e5]@3 [c4,g4,c5,e5] ~@2 [bb3,g4,c5,e5]@2 c4@2 [c4,a4,c5,f5]@2 c4@2 [a4,c5,f5] c4, ~@2 [c2,c3] ~", // C C7 F C
  AD: "[g4,c5,e5]@2 c4 [g4,c5,e5]@3 [a1,a2,bb3,g4,c5,e5]@2 [f3,c4,f4,a4]@4 ~ c4@3, [c2,c3]@2 ~@4 f3 ~", // C Am7 F C
  AE: "f3 [c4,f4,a4] f3 c4 [f3,c4,f4,a4]@2 f3@2", AF: "f3 [c4,f4,a4] f3!2 [f3,c4,f4,a4]@2 f3@2",
  AG: "[f3 [c4,f4,a4] f3@2 [f3,c4,f4,a4]@2 ~@2 c3 c3@2 c3 ~ [g4,c5,e5] ~ [a4,c5,f5], ~@3 f3 ~@2 c3@2, ~@7 c4@3 ~@6]/2", // F C F
  AH: "[g4,c5,eb5,e5]@3 [g4,c5,e5] ~@2 [g4,c5,e5]@2 ~@2 [g4,c5,e5]@2 ~@2 [a4,c5,f5]@2, c3!2", // C F
  AI: "[g4,c5,eb5,e5]@3 [g4,c5,e5] ~@2 [g4,c5,e5]@2 [c3,c4]@4 [e2,e3]@4, c3 ~", AJ: "[f2,f3] [gb2,gb3] [g2,g3] [a2,a3]",
  AK: "[bb2,bb3] [a2,a3] [bb2,bb3] [b2,b3] [c3,c4]@2 [c2,c3,c4,c5]@2", // Bb A Bb B C
})).s("gm_piano").gain(0.3)

// drums · kick
const kick = s("bd").struct(`<
  A@7 B C@3 D C@3 D C@3 D C@3 D C@3 E C D C@3 D C@3 D C@3 E C@3 D C@3 E C@3 E C@5 F A G@2 H D I@3 J I@3 D I@3 K L M
>`.pickRestart({
  A: "~ x ~ x", B: "~ x ~@2", C: "x ~@3 x ~@2 x", D: "x!2", E: "x", F: "x!2 ~ x", G: "~ x!2 ~@3 x ~",
  H: "~ x!2 ~ x ~@3", I: "x ~@2 x!2 ~@3", J: "~ x", K: "x ~@4 x ~ x", L: "~ x ~ x ~ x ~ x", M: "~ x ~ x ~@2 x ~",
})).gain(0.3)

// drums · snare
const snare = s("sd").struct(`<
  ~@7 A B@3 C B@3 C B@3 C B@3 C B@3 D B C B@3 C B@3 C B@3 D B@3 C B@3 D B@3 D B@5 E F G@2 H I B@3 J B@3 I B@3 K L@2
>`.pickRestart({
  A: "~@13 x!2 ~", B: "~ x ~ x", C: "~@4 x ~@7 x ~ x!2", D: "~@4 x ~@8 x!2 ~", E: "~ x", F: "x ~ x!2 ~@4 x ~@7",
  G: "x!2", H: "x ~@2 x", I: "~@4 x ~ x!2 ~@4 x ~@3", J: "~@5 x!2 ~@5 x ~@3", K: "~@4 x ~ x!3 ~@3 x ~@3", L: "x!4",
})).gain(0.3)

// drums · hihat
const hihat = s("hh").struct(`<
  A@7 B C D@2 E C D@2 E C D@2 E C D@2 E C D@2 F D E C D@2 E C D@2 E C D@2 F C D@2 E C D@2 F C D@2 F D@2 C D@3 G D@3 H
  D@3 I D@3 H D@3 J ~@2
>`.pickRestart({
  A: "x!4", B: "x!2 ~@2", C: "~ x!7", D: "x!8", E: "x!7 ~", F: "x!4 ~@4", G: "x ~@2 x!5", H: "x!3 ~@2 x!3",
  I: "~@5 x!3", J: "x!3 ~@5",
})).gain(0.3)

// drums · mid tom
const mid_tom = s("mt").struct("<~@7 A ~@19 A ~@13 A ~@7 A ~@3 A ~@14 B ~@10>".pickRestart({
  A: "~@9 x ~ x ~@4", B: "~ x ~ x ~@12",
})).gain(0.3)

// drums · high tom
const high_tom = s("ht").struct("<~@7 A ~@19 A ~@13 A ~@7 A ~@3 A ~@14 B ~@10>".pickRestart({
  A: "~ x", B: "x",
})).gain(0.3)

// drums · crash
const crash = s("cr").struct(`<
  ~@8 A ~@3 A ~@3 A ~@3 A ~@3 A ~@5 A ~@3 A ~@3 A ~@3 A ~@3 A ~@3 A ~@5 A ~@3 B ~@3 C ~@3 C ~@3 C ~@5 D
>`.pickRestart({
  A: "x", B: "~ x ~@2", C: "~ x", D: "~@3 x",
})).gain(0.3)

stack(
// … 3 more lines