// Motorbreath — Metallica
// 180 bpm, 4/4, key D major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: metre changes (4/4 at bar 1, 5/4 at bar 72, 4/4 at bar 74) are rendered on a constant 4/4 grid of one bar per cycle
// note: pitch bends are ignored
// note: Full arrangement: all 133 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
// note: Guitar parts that double another keep only their own notes (fills, solos): Guitar 1.
setcpm(180/4)

// 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 · overdriven guitar · "Guitar 1"
const overdriven_guitar = note("<~@4 A B C D E B C D ~@121>".pickRestart({
  A: "~@2 b2!2 b2@2 b2!2 b2@2 b2!6", B: "g2@2 g2!2 g2@2 g2!2 g2@2 g2!6", C: "a2@2 a2!2 a2@2 a2!2 a2@2 a2!6",
  D: "f#2@2 f#2!2 f#2@2 f#2!2 f#2@2 f#2!6", E: "b2@2 b2!2 b2@2 b2!2 b2@2 b2!6",
})).s("gm_overdriven_guitar").gain(0.11).pan(0)

// other · distortion guitar · "Guitar 1"
const distortion_guitar = note("<~@73 A B C D E F@2 G ~@26 H I J K L M N O P@3 Q R@2 S@2 T@2 ~@8>".pickRestart({
  A: "~ b5@3, ~@4 f#5@5 ~@7", B: "~@2 g#5!2 b5 g#5 f#5 g#5 b5 g#5 f#5 g#5 b5 g#5 f#5 g#5",
  C: "b5 g#5 f#5 g#5 b5 c#6@2 [g#5,b5] b5 c#6 b5 g#5 b5 c#6 b5 g#5", // G#m
  D: "b5 c#6 b5 g#5 f#5 g#5 b5 g#5 f#5 e5 c#5 e5 f#5 e5 c#5 b4", E: "g#4 f#4@3 c#4@2 e4 f#4!2 g#4 b4!2 c#5 b4 g#4 b4",
  F: "[c#5 e5 f#5@2 f#5 e5 c#5 e5 f#5 e5 c#5 e5 f#5 e5 c#5 e5@3 c#6 d#6 f#6@2 g#6 f#6@2 g#6 f#6 g#6 b6 g#6 f#6 d#6]/2",
  G: "d#6!2 f#6 d#6 c#6 d#6 f#6 d#6 f#6@3 ~@5", H: "~@12 e6 c#6 b5 g#5",
  I: "e6 c#6 b5 g#5 e6 c#6 b5 g#5 e6 c#6 b5 g#5 e6 c#6 b5 g#5",
  J: "e6 c#6 b5 g#5 e6 c#6 b5 g#5 e6 c#6 b5 [g#5,b5] e6 c#6 e6 c#6", // G#m
  K: "d#6 c6 d6 b5 c#6 a#5 c6 a5 b5 g#5!3 g#5@2 f#5 g#5",
  L: "b5 g#5 f#5 d#5 f#5 d#5 c#5 b4@3 g#4 b4 g#4 [b4,d#5]@2 g#4", // B
  M: "[b4,d#5]@2 g#4 [b4,d#5]@2 g#4 [c#5,f5]@2 [b4,d#5]@2 g#4 b4 c#5 d#5 f#5 d#5", // B C# B
  N: "b4 [b4,c#5] g#4 b4 c#5 b4 g#4 f#4 d#4@2 c#4@2 g#3@2 b3 c#4", // Bsus2
  O: "d#4@2 f#4!2 g#4 f#4 d#4 f#4 g#4 b4 c#5@2 c#5 g#4 b4 c#5",
  P: "[b4 g#4 b4 c#5 b4 g#4 b4@2 e5@2 f#5@2 f#5 c#6!2 b5@3 g#5 g#5@2 c#6 b5@2 b5@3 ~ f#5 g#5 c#6 b5@4 g#5 f#5 c#6 b5@2 b5@2 b5@2 b5 g#5!3]/3",
  Q: "b5 g#5 c#6 [c#6,e6] b5 g#5 g5 g#5 b5 g#5 f#5 e5!3 f#5 e5", // C#m
  R: "[c#5 b4!3 c#5 b4 g#4 f#4@3 f#6 g#6 f#6@2 f#6 f#6@2 f#6!3 b6 g#6 f#6 g#6 b6 g#6 c#7 g#6 b6 g#6 f#6 g#6]/2",
  S: "[b6 g#6 c#7 g#6 b6 g#6 f#6 g#6 b6 g#6 f#6 d#6 c#6 d#6 f#6 ~ [g#6,b6] g#6 f#6 d#6 c#6 d#6 f#6 d#6 b6 g#6 f#6 d#6 c#6 d#6 f#6 d#6, ~@15 d#6@3 ~@14]/2", // G#m
  T: "[b6 g#6 f#6 g#6 b6@3 b6@4 ~ b6@7 ~@13]/2",
})).s("gm_distortion_guitar").gain(0.11).pan(0)

// chords · overdriven guitar · "Guitar 2"
const overdriven_guitar_2 = note(`<
  ~@3 A B ~@7 C D E F C D E F C D E F C D E F G@2 H I J K H I J L M@2 N M@3 N M C D E F C D E F G@2 H I J K H I J L M@2
  N M@3 N M O@3 P@4 Q@2 R S T U V S T U V S T U V S T U W@3 X Y Z AA X Y AB AC AD AE AD AF AD AE AD AF AD AE AD AF AD AE
  AD AF AD AE AD AF AD AE AD AG@2
>`.pickRestart({
  A: "~@8 [a2,e3]@3 ~ [a#2,f3]@3 ~", B: "[b2,f#3] ~@7",
  C: "[b2,f#3]@2 [b2,f#3]@3 ~ [a2,e3]@2 [b2,f#3]@2 [b2,f#3]@3 [a2,e3] [a2,e3]@2", // B5 A5 B5 A5
  D: "[g2,d3]@2 [g2,d3]@3 [f#2,c#3] [f#2,c#3]@2 [g2,d3]@2 [g2,d3]@3 [f#2,c#3] [f#2,c#3]@2", // G5 F#5 G5 F#5
  E: "[a2,e3]@2 [a2,e3]@3 [g2,d3] [g2,d3]@2 [a2,e3]@2 [a2,e3]@3 [g2,d3] [g2,d3]@2", // A5 G5 A5 G5
  F: "[f#2,c#3]@2 [f#2,c#3]@3 ~ e2@2 [f#2,c#3]@2 [f#2,c#3]@3 ~ [a2,e3]@2", // F#5 A5
  G: "[b2,f#3]@3 [b2,f#3]@3 a2@2 [b2,f#3]@3 [b2,f#3]@3 a2@2", H: "[b2,f#3]@2 [b2,f#3]@3 ~@3 [g2,d3]@2 [g2,d3]@3 ~@3",
  I: "[d3,a3]@2 [d3,a3]@3 ~ [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@3 ~@3", // D5 F#5
  J: "[g2,d3]@2 [g2,d3]@3 ~@3 [e2,b2]@2 [e2,b2]@3 ~@3", K: "[f#2,c#3]!2 [f#2,c#3]@3 ~ [f#2,c#3]@2 [f#2,c#3]@3 ~@5",
  L: "[f#2,c#3]!8 [f#2,c#3]@3 ~@5", M: "f#3 e3 b2 f#3 e3 b2 f#3 e3 b2 f#3 e3 b2 f#3@2 e3@2",
  N: "f#3 e3 a2 f#3 e3 a2 f#3 e3 a2 f#3 e3 a2 f#3@2 e3@2",
  O: "[[b2,f#3]@11 [b2,f#3]@4 [c3,g3]@4 ~ [c#3,g#3]@2 c#3!6 ~ f#3 c#3 [c#3,g#3]@3 ~ f#3 ~ g#3 c#3!6 ~ f#3 [g#2,d#3]@2, ~@14 [c#3,g#3] ~@2 [c#3,g#3] [c#3,f#3] ~@3 [c#3,g#3] ~]/3", // B5 C5 C#5 G#5 C#5 F#5 C#5
  P: "[[g#2,d#3]@3 ~ [c#3,g#3]@2 c#3!6 ~ f#3 c#3 [c#3,g#3]@3 ~ f#3 ~ g#3 c#3!6 [g#2,d#3]@3 [g#2,d#3]@2 [g#2,d#3]@3 [c#3,g#3]@2 c#3!6 ~ f#3 c#3 [c#3,g#3]@3 ~ f#3 ~ g#3 c#3!6 ~ f#3 [g#2,d#3]@2, ~@6 [c#3,g#3] ~@2 [c#3,g#3] [c#3,f#3] ~@11 [c#3,g#3] ~@2 [c#3,g#3] [c#3,f#3] ~@3 [c#3,g#3] ~]/4", // G#5 C#5 G#5 C#5 G#5 C#5 F#5 C#5 …
  Q: "[[g#2,d#3]@3 ~ [c#3,g#3]@2 c#3!6 ~ f#3 c#3 [c#3,g#3]@3 ~ f#3 [c#3,g#3]@2 c#3!2 [c#3,g#3]@3 ~ [c#3,g#3]@3 ~, ~@6 [c#3,g#3] ~@2 [c#3,g#3] ~@6]/2", // G#5 C#5
  R: "[c3,g3]@3 ~ [b2,f#3]@2 [b2,f#3]@3 ~ [a2,e3]@2 [b2,f#3]@2 [b2,f#3]@2", // C5 B5 A5 B5
  S: "~ [a2,e3] [a2,e3]@2 [g2,d3]@2 [g2,d3]@3 [f#2,c#3] [f#2,c#3]@2 [g2,d3]@2 [g2,d3]@2", // A5 G5 F#5 G5
  T: "~ [f#2,c#3] [f#2,c#3]@2 [a2,e3]@2 [a2,e3]@3 [g2,d3] [g2,d3]@2 [a2,e3]@2 [a2,e3]@2", // F#5 A5 G5 A5
  U: "~ [g2,d3] [g2,d3]@2 [f#2,c#3]@2 [f#2,c#3]@3 ~ e2@2 [f#2,c#3]@2 [f#2,c#3]@2", // G5 F#5
  V: "~@2 [a2,e3]@2 [b2,f#3]@2 [b2,f#3]@3 ~ [a2,e3]@2 [b2,f#3]@2 [b2,f#3]@2", // A5 B5 A5 B5
  W: "[~@2 [a2,e3]@2 [b2,f#3]@3 [b2,f#3]@3 a2@2 [b2,f#3]@3 [b2,f#3]@3 a2@2 [b2,f#3]@3 [b2,f#3]@3 a2@2 [b2,f#3]@3 [b2,f#3]@3 a2@2 [b2,f#3]@2 [b2,f#3]@3 ~@3 [g2,d3]@2 [g2,d3]@2]/3", // A5 B5 G5
  X: "~@4 [d3,a3]@2 [d3,a3]@3 ~ [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2", // D5 F#5
  Y: "~@4 [g2,d3]@2 [g2,d3]@3 ~@3 [e2,b2]@2 [e2,b2]@2", Z: "~@4 [f#2,c#3]!2 [f#2,c#3]@3 ~ [f#2,c#3]@2 [f#2,c#3]@3 ~",
  AA: "~@4 [b2,f#3]@2 [b2,f#3]@3 ~@3 [g2,d3]@2 [g2,d3]@2", AB: "~@4 [f#2,c#3]!8 [f#2,c#3]@3 ~",
  AC: "~@4 [b2,f#3]@3 ~ [c3,g3]@3 ~ [c#3,g#3]@2 c#3!2", // B5 C5 C#5
  AD: "c#3!4 ~ f#3 c#3 [c#3,g#3]@3 ~ f#3 ~ g#3 c#3!2, ~@2 [c#3,g#3] ~@2 [c#3,g#3] [c#3,f#3] ~", // C#5 F#5
  AE: "c#3!4 ~ f#3 [g#2,d#3]@2 [g#2,d#3]@3 ~ [c#3,g#3]@2 c#3!2, ~@2 [c#3,g#3] ~@5", // G#5 C#5
  AF: "c#3!4 [g#2,d#3]@3 [g#2,d#3]@2 [g#2,d#3]@3 [c#3,g#3]@2 c#3!2", // G#5 C#5
  AG: "[c#3!4 [g#2,d#3]@3 [g#2,d#3]@2 [g#2,d#3]@3 [b2,f#3]@3 [b2,f#3]@2 [b2,f#3]@3 [f#2,c#3]@3 [f#2,c#3]@2 [f#2,c#3]@3 [c#3,g#3]@3 ~]/2", // G#5 B5 F#5 C#5
})).s("gm_overdriven_guitar").gain(0.11).pan(1)

// bass · electric bass finger · "Bass"
const bass = note(`<
  ~@3 A B ~@7 C D E F C D E F C D E F C D E F G@2 H I J K H I J L ~@8 C D E F C D E F G@2 H I J K H I J L ~@8 M@2 N O
  P@2 N O Q R S T U V S T U V S T U V S T U W@3 X Y Z AA X Y AB AC AD AE AD AF AD AE AD AF AD AE AD AF AD AE AD AF AD AE
  AD AF AD AE AD AG@2
>`.pickRestart({
  A: "~@8 a1@3 ~ a#1@3 ~", B: "b1 ~@7", C: "b1@2 b1@3 ~ a1@2 b1@2 b1@3 a1 a1@2",
  D: "g1@2 g1@3 f#1 f#1@2 g1@2 g1@3 f#1 f#1@2", E: "a1@2 a1@3 g1 g1@2 a1@2 a1@3 g1 g1@2",
  F: "f#1@2 f#1@3 ~ e1@2 f#1@2 f#1@3 ~ a1@2", G: "b1@3 b1@3 a1@2 b1@3 b1@3 a1@2", H: "b1@2 b1@3 ~@3 g1@2 g1@3 ~@3",
  I: "d2@2 d2@3 ~ f#1@2 f#1@2 f#1@3 ~@3", J: "g1@2 g1@3 ~@3 e1@2 e1@3 ~@3", K: "f#1!2 f#1@3 ~ f#1@2 f#1@3 ~@5",
  L: "f#1!8 f#1@3 ~@5", M: "[b1@11 b1@4 c2@4 ~ c#2@2 c#2!10]/2", N: "c#2!14 g#1@2", O: "g#1@3 ~ c#2@2 c#2!10",
  P: "[c#2!12 g#1@3 g#1@2 g#1@3 c#2@2 c#2!10]/2", Q: "c#2!4 c#2@2 c#2!2 c#2@3 ~ c#2@3 ~",
  R: "c2@3 ~ b1@2 b1@3 ~ a1@2 b1@2 b1@2", S: "~ a1 a1@2 g1@2 g1@3 f#1 f#1@2 g1@2 g1@2",
  T: "~ f#1 f#1@2 a1@2 a1@3 g1 g1@2 a1@2 a1@2", U: "~ g1 g1@2 f#1@2 f#1@3 ~ e1@2 f#1@2 f#1@2",
  V: "~@2 a1@2 b1@2 b1@3 ~ a1@2 b1@2 b1@2",
  W: "[~@2 a1@2 b1@3 b1@3 a1@2 b1@3 b1@3 a1@2 b1@3 b1@3 a1@2 b1@3 b1@3 a1@2 b1@2 b1@3 ~@3 g1@2 g1@2]/3",
  X: "~@4 d2@2 d2@3 ~ f#1@2 f#1@2 f#1@2", Y: "~@4 g1@2 g1@3 ~@3 e1@2 e1@2", Z: "~@4 f#1!2 f#1@3 ~ f#1@2 f#1@3 ~",
  AA: "~@4 b1@2 b1@3 ~@3 g1@2 g1@2", AB: "~@4 f#1!8 f#1@3 ~", AC: "~@4 b1@3 ~ c2@3 ~ c#2@2 c#2!2", AD: "c#2!16",
  AE: "c#2!6 g#1@2 g#1@3 ~ c#2@2 c#2!2", AF: "c#2!4 g#1@3 g#1@2 g#1@3 c#2@2 c#2!2",
  AG: "[c#2!4 g#1@3 g#1@2 g#1@3 b1@3 b1@2 b1@3 f#1@3 f#1@2 f#1@3 c#2@3 ~]/2",
})).s("gm_electric_bass_finger").gain(0.72)

// drums · kick
const kick = s("bd").struct(`<
  ~@3 A B ~@7 C@21 B C@3 D E@8 C@13 B C@3 D E@8 F G E@7 H I@20 J I@3 K G E@23 L ~
>`.pickRestart({
  A: "~@2 x!2", B: "x", C: "x!2", D: "~ x", E: "x!4", F: "x ~@10 x ~@3 x", G: "~ x!3", H: "x!2 ~ x", I: "~ x ~ x",
  J: "~ x ~@2", K: "~@3 x", L: "x!2 ~@2",
})).gain(0.72)

// drums · rim
const rim = s("rim").struct("<~@131 [~@7 x ~ x ~@5 x] [~ x ~@5 x ~ x ~@6]>").gain(0.72)

// drums · snare
const snare = s("sd").struct(`<
  ~@3 A B ~@7 C@21 D C@3 E ~@8 C@13 D C@3 E ~@9 F C@6 G F C@20 G F C@2 H I C@23 J K
>`.pickRestart({
  A: "~@2 x!2", B: "x", C: "~ x ~ x ~ x ~ x", D: "~ x ~ x ~@4", E: "x!9 ~@7", F: "~@3 x ~ x ~ x", G: "~ x ~ x ~ x ~@2",
  H: "~@2 x ~ x!9 ~@3", I: "~@7 x", J: "~@2 x ~ x ~@2 x ~ x ~@2 x ~@2 x", K: "~ x ~@2 x ~@2 x ~ x ~@2 x ~@3",
})).gain(0.72)

// drums · low tom
const low_tom = s("lt").struct("<~ [~@12 x!3 ~] [~@8 x!3 ~ x!3 ~] [~@4 x!3 ~@9] ~@129>").gain(0.72)

// drums · hihat
const hihat = s("hh").struct("<~@73 A B@6 C ~@26 D B@23 E ~>".pickRestart({
  A: "~@2 x!6", B: "x!8", C: "x!6 ~@2", D: "~@6 x!2", E: "x!2 ~@6",
})).gain(0.72)

// drums · mid tom
const mid_tom = s("mt").struct("<A B C D ~@29 E ~@25 E ~@43 F ~@29>".pickRestart({
  A: "~@8 x!3 ~ x!3 ~", B: "~@4 x!3 ~ x!3 ~@5", C: "x!3 ~ x!3 ~@9", D: "x!3 ~@13", E: "~@12 x!4", F: "x!4 ~@12",
})).gain(0.72)

// drums · open hat
const open_hat = s("oh").struct("<~@12 A@21 B A@3 ~@9 A@13 B A@3 ~@18 C A@20 D C A@2 E ~@26>".pickRestart({
  A: "x!8", B: "x!4 ~@4", C: "~@2 x!6", D: "x!6 ~@2", E: "x!2 ~@6",
})).gain(0.72)

// drums · high tom
const high_tom = s("ht").struct("<A B ~@31 C ~@25 C ~@42 D ~@30>".pickRestart({
  A: "x!3 ~ x!3 ~@9", B: "x!3 ~@13", C: "~@8 x!4 ~@4", D: "~@12 x!4",
})).gain(0.72)

// drums · crash
const crash = s("cr").struct("<~@3 A B ~@32 C ~@25 C ~@8 D ~@7 E B ~@24 E F ~@23 G@2>".pickRestart({
  A: "~@2 x!2", B: "x", C: "~ x", D: "x ~@10 x ~@3 x", E: "~@3 x", F: "~ x!2 ~", G: "~ x ~ x",
})).gain(0.72)

stack(
  overdriven_guitar, distortion_guitar, overdriven_guitar_2, bass, kick, rim, snare, low_tom, hihat, mid_tom, open_hat,
  high_tom, crash
)