// Need Some Love — Rush
// 200 bpm, 4/4, key E major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Full arrangement: all 74 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(200/4)

// Notation: c3@3 lasts 3 steps · ~ is a rest · [c3,e3] is a chord · [...]/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 · distortion guitar · "Guitar"
const distortion_guitar = note(`<
  ~ A@8 B@8 C D E@2 C D E@2 C D E@2 F G H I J ~ A@8 B@8 C D E@2 C D E@2 C D E@2 F G H I J ~ K@2 L@2 M
>`.pickRestart({
  A: "[[f#3,b3,d#4]@2 [g#3,b3,e4]@2 [f#3,b3,d#4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [g#3,b3,d#4]@2 ~ [e3,a3,c#4]@3 [e3,a3,c#4]@2 [e3,a3,c#4]@2 ~ [g#3,b3,e4]@3 [g#3,b3,e4]@2 [g#3,b3,e4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [f#3,b3,d#4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [g#3,b3,d#4]@2 ~ [e3,a3,c#4]@3 [e3,a3,c#4]@2 [e3,a3,c#4]@2 ~ [g#3,b3,e4]@3 [g#3,b3,e4]@2 [g#3,b3,e4]@2 ~ [f#3,b3,d#4]]/8", // B E B E G#m A E B …
  B: "[[f#3,b3,d#4]@2 [g#3,b3,e4]@2 [f#3,b3,d#4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [g#3,b3,d#4]@2 ~ [e3,a3,c#4]@3 [e3,a3,c#4]@2 [e3,a3,c#4]@2 ~ [g#3,b3,e4]@3 [g#3,b3,e4]@2 [g#3,b3,e4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [f#3,b3,d#4]@2 ~ [f#3,b3,d#4]@3 [g#3,b3,e4]@2 [g#3,b3,d#4]@2 ~ [e3,a3,c#4]@3 [e3,a3,c#4]@2 [e3,a3,c#4]@2 ~ [g#3,b3,e4]@9]/8", // B E B E G#m A E B …
  C: "[a3,d4,f#4]", D: "[a3,c#4,e4]", E: "[g#3,b3,e4]/2", F: "[b3,d4,g4]", G: "[a3,d4,f#4] [g#3,b3,e4]",
  H: "[f#3,b3,d#4]@2 [f#3,b3,d#4]!6", I: "[f#3,b3,d#4]@2 [f#3,b3,d#4]!2 [g#3,b3,e4]!4", J: "[f#3,b3,d#4] ~@3",
  K: "[[b3,e4,g#4]!4 [b3,e4,g#4]@12]/2", L: "[[c#4,e4,a4]!4 [c#4,e4,a4]@12]/2", M: "[b3,e4,g#4] ~@3",
})).s("gm_distortion_guitar").gain(0.25).pan(0.7)

// bass · electric bass finger · "Bass"
const bass = note(`<
  ~ A@8 B@8 C D E F G H I J G K L M N O P@2 Q ~ A@8 B@8 C D E F G H I J G K L M N O P@2 Q ~ R S T U V
>`.pickRestart({
  A: "[b1@2 b1@2 b1@2 ~ b1@3 b1@2 b1@2 ~ a2@3 a2@2 a2@2 ~ e2@3 e2@2 e2@2 ~ b1@3 b1@2 b1@2 ~ b1@3 b1@2 b1@2 ~ a2@3 a2@2 a2@2 ~ e2@3 e2@2 e2@2 ~ b1]/8",
  B: "[b1@2 b1@2 b1@2 ~ b1@3 b1@2 b1@2 ~ a2@3 a2@2 a2@2 ~ e2@3 e2@2 e2@2 ~ b1@3 b1@2 b1@2 ~ b1@3 b1@2 b1@2 ~ a2@3 a2@2 a2@2 ~ e2@2 e2!7]/8",
  C: "d2@3 a1 d2@2 f#2 g#2", D: "a2@3 e2 a2@2 c#2 d2", E: "e2@3 b1 e2 e2@2 b1", F: "e2 e2@2 b1 e2 e2@3",
  G: "d2@3 c#2 d2 f#2 g2 g#2", H: "a2@3 e2 a2@3 a2", I: "e2@3 e2 e3 e3@2 e3", J: "d3@3 c#3@2 b2 g#2 e2",
  K: "a2@3 e2 a2 a1@2 d2", L: "e2@3 e2 d2 d2@2 d2", M: "c#2 a1 a#1 b1@2 d2 e2 f#2", N: "g2", O: "d2 e2", P: "b1@2 b1!6",
  Q: "b1 ~@3", R: "e1!4 e1@2 ~@2", S: "~ g1 a1 b1 a1 b1 d2@2", T: "a1!4 a1@2 ~@2", U: "~ a1 b1 d2 a1 g1@3", V: "e1 ~@3",
})).s("gm_electric_bass_finger").gain(0.4).pan(0.3)

// drums · kick
const kick = s("bd").struct("<~ A@15 B C@16 ~@2 A@15 B C@16 ~@2 D@4 ~>".pickRestart({
  A: "x!2 ~@2 x!2 ~@2", B: "x!2 ~@6", C: "~ x ~ x", D: "~@2 x!2 ~@2 x ~",
})).gain(0.64)

// drums · snare
const snare = s("sd").struct("<A B@15 C D@16 E F B@15 C D@16 E F D@4 ~>".pickRestart({
  A: "~@3 x", B: "~ x ~ x", C: "~ x ~@2", D: "~ x", E: "~@8 x ~ x ~@2 x!2 ~", F: "x!2 ~@2 x ~@8 x!3",
})).gain(0.64)

// drums · low tom
const low_tom = s("lt").struct("<~@16 A ~@16 B C ~@15 A ~@16 B C ~@5>".pickRestart({
  A: "~@14 x!2", B: "~@4 x!4 ~@8", C: "~@8 x!2 ~@6",
})).gain(0.64)

// drums · hihat
const hihat = s("hh").struct("<~@17 A@16 B ~@17 A@16 B ~ A@4 ~>".pickRestart({
  A: "x!8", B: "x",
})).gain(0.64)

// drums · mid tom
const mid_tom = s("mt").struct("<~@16 A ~@16 B C ~@15 A ~@16 B C ~@5>".pickRestart({
  A: "~@12 x!2 ~@2", B: "~ x!3 ~@5 x ~ x!2 ~@2 x", C: "~@2 x!2 ~ x!3 ~@8",
})).gain(0.64)

// drums · open hat
const open_hat = s("oh").struct("<~ [x!8]!15 [x!4 ~@4] ~@18 [x!8]!15 [x!4 ~@4] ~@23>").gain(0.64)

// drums · high tom
const high_tom = s("ht").struct("<~@16 A ~@17 B ~@15 A ~@17 B ~@5>".pickRestart({
  A: "~@4 x!2 ~@2", B: "~@10 x!3 ~@3",
})).gain(0.64)

// drums · crash
const crash = s("cr").struct("<~@73 x>").gain(0.64)

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