// Rockin' Robin — Jackson Michael
// 166 bpm, 4/4, key G major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: pitch bends are ignored
// note: Full arrangement: all 108 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(166/4)

// 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 · string ensemble 1
const string_ensemble_1 = note(`<
  A B A B A B C D ~@8 E F G H I@2 J H ~@8 E F G H I@2 J H ~@12 E F G H E F K ~@9 E F G H I@2 J H E F G H E F K ~@9 E F G
  H I@2 J H A B A B A B C ~
>`.pickRestart({
  A: "[b3,d4,g4]!2 ~ [b3,d4,g4]!3 ~ [b3,d4,g4]!2 ~@7", // G
  B: "~@4 [c4,e4,a4]!2 ~ [c4,e4,a4] [d4,f#4,b4]!2 ~ [d4,f#4,b4]!3 ~ [d4,f#4,b4]", // Am Bm
  C: "[b3,d4,g4] ~@7 [d4,g4] ~@7, ~@8 b3@3 ~@5", D: "~@4 [b3,d4,g4] ~@3 [b3,d4,g4]@3 ~@5", E: "~@8 [c4,e4,g4] ~@7",
  F: "[c4,e4,g4] ~@6 [c4,e4,g4] ~@8", G: "~@8 [b3,d4,g4] ~@7", H: "~@4 [b3,d4,g4]!2 ~ [b3,d4,g4]!2 ~@7",
  I: "[[d4,f#4,a4]@7 ~]/2", J: "~@8 [b3,d4,g4]@3 ~@5", K: "[d4,f#4,a4]@3 ~@13",
})).s("gm_string_ensemble_1").gain(0.56)

// chords · piano
const piano = note(`<
  ~@16 A@2 B@2 C@2 D E ~@8 A@2 B@2 C@2 D E D@4 F@2 D@2 G H I D A@2 B@2 A@2 J ~@9 A@2 B@2 C@2 D E A@2 B@2 A@2 J ~@9 A@2
  B@2 C@2 D E ~@8
>`.pickRestart({
  A: "~@3 [e3,a#3,c4] ~@3 [e3,a#3,c4] ~@3 [e3,a#3,c4] ~@3 [e3,a#3,c4]", // C7
  B: "~@3 [f3,b3,d4] ~@3 [f3,b3,d4] ~@3 [f3,b3,d4] ~@3 [f3,b3,d4]", // Bdim
  C: "~@3 [f#3,c4,d4] ~@3 [f#3,c4,d4] ~@3 [f#3,c4,d4] ~@3 [f#3,c4,d4]", // D7
  D: "~@3 [d3,g3,b3] ~@3 [d3,g3,b3] ~@3 [d3,g3,b3] ~@3 [d3,g3,b3]", E: "~@3 [d3,g3,b3] ~@3 [d3,g3,b3]!2 ~@7",
  F: "~@3 [e3,g3,a#3] ~@3 [e3,g3,a#3] ~@3 [e3,g3,a#3] ~@3 [e3,g3,a#3]", // Edim
  G: "~@3 [d3,f#3,c4] ~@3 [d3,f#3,c4] ~@3 [d3,f#3,c4] ~@3 [d3,f#3,c4]", // D7
  H: "~@3 [e3,a#3,c4] ~@3 [e3,a#3,c4] ~@3 [e3,c4] a#3 ~@2 [e3,a#3,c4]", // C7 C C7
  I: "~@3 [d3,g3,a3,b3] ~@3 [d3,g3,b3] ~@3 [d3,g3,b3] ~@3 [g3,b3]", J: "[f#3,c4,d4] ~@15",
})).s("gm_piano").gain(0.72)

// other · brass section
const brass_section = note(`<
  ~@7 A B A B A B A B ~@8 A B A B A B A B ~@28 A B A B A B A B ~@16 A B A B A B A B ~@17
>`.pickRestart({
  A: "~@15 c#5", B: "d5@3 ~@13",
})).s("gm_brass_section").gain(0.66)

// other · brass section
const brass_section_2 = note(`<
  ~@7 A B A B A B A B ~@8 A B A B A B A B ~@28 A B A B A B A B ~@16 A B A B A B A B ~@17
>`.pickRestart({
  A: "~@15 a#4", B: "b4@3 ~@13",
})).s("gm_brass_section").gain(0.6)

// other · brass section
const brass_section_3 = note(`<
  ~@7 A B A B A B A B ~@8 A B A B A B A B ~@28 A B A B A B A B ~@16 A B A B A B A B ~@17
>`.pickRestart({
  A: "~@15 f#3", B: "g3@3 ~@13",
})).s("gm_brass_section").gain(0.6)

// bass · electric bass finger
const bass = note(`<
  ~@16 A B C D E F G H ~@8 A B C D E F G H I J I J K@2 I J L M I N A B C D A B O ~@9 A B C D E F G H A B C D A B O ~@9 A
  B C D E F G H ~@8
>`.pickRestart({
  A: "c2@3 ~ e2@4 g2@4 e2@4", B: "c2@4 e2@4 g2@4 e2@3 ~", C: "g1@3 ~ b1@4 d2@4 b1@4", D: "g1@3 ~ b1@4 d2@4 b1@2 ~@2",
  E: "d2 f#2 a2 f#2", F: "d2@3 ~ c2@4 b1@4 a1@4", G: "g1@3 ~ b1@3 ~ d2@3 ~ e2@4", H: "g2@3 ~ e2@4 d2@4 b1@3 ~",
  I: "g1 b1 d2 e2", J: "g2 e2 d2 b1", K: "c2 e2 g2 e2", L: "d2 f#2 a2 d2", M: "c2 e2 g2 c2", N: "g2@4 e2@4 d2@4 b1@3 ~",
  O: "d2 ~@3",
})).s("gm_electric_bass_finger").gain(0.72)

// drums · kick
const kick = s("bd").struct("<A@6 B ~ C@7 D@9 C@7 D@27 B ~ C@7 D@15 B ~ C@7 D@9 A@6 B ~>".pickRestart({
  A: "x ~@14 x", B: "x", C: "x ~@3 x ~@2 x ~@4 x ~@3", D: "x!4",
})).gain(0.71)

// drums · rim
const rim = s("rim").struct("<~@8 A@7 ~@9 A@7 ~@29 A@7 ~@17 A@7 ~@17>".pickRestart({
  A: "~@4 x ~@2 x ~@4 x ~@3",
})).gain(0.71)

// drums · clap
const clap = s("cp").struct("<A@8 B@8 A@8 B@8 A@26 C ~ B@8 A@14 C ~ B@8 A@15 ~>".pickRestart({
  A: "~ x ~ x", B: "~@4 x ~@2 x ~@4 x ~@3", C: "x",
})).gain(0.71)

// drums · snare
const snare = s("sd").struct(`<
  ~@6 A B ~@7 C A@8 ~@7 C A@7 C A@18 D ~@8 C A@7 C A@6 D ~@8 C A@7 E ~@6 A D
>`.pickRestart({
  A: "~ x ~ x", B: "x ~@10 x!2 ~@3", C: "~@4 x!2 ~ x!3 ~ x!3 ~ x", D: "x", E: "~ x!2 ~",
})).gain(0.71)

// drums · hihat
const hihat = s("hh").struct("<A@6 ~@10 A@8 ~@8 A@26 B ~@9 A@14 B ~@9 A@14 ~@2>".pickRestart({
  A: "~ x ~ x", B: "x",
})).gain(0.71)

// drums · open hat
const open_hat = s("oh").struct("<[x ~@6 x!2 ~@6 x]!6 x ~@93 [x ~@6 x!2 ~@6 x]!6 x ~>").gain(0.71)

// drums · tambourine
const tambourine = s("tb").struct("<~@16 A@8 ~@8 A@26 B ~@9 A@14 B ~@9 A@8 ~@8>".pickRestart({
  A: "~ x ~ x", B: "x",
})).gain(0.71)

stack(
  string_ensemble_1, piano, brass_section, brass_section_2, brass_section_3, bass, kick, rim, clap, snare, hihat,
  open_hat, tambourine
)