// Wait — The Beatles
// 120 bpm, 4/4, key A major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Tempo changes preserved in elapsed time; displayed bars use the dominant tempo.
// note: Full arrangement: all 73 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(120/4)

// 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.

// bass · fretless bass · "Fretless E. Bass"
const bass = note(`<
  ~ A@2 B A@2 B C@3 D E A@2 B A@2 B C@3 D F G H I F J K L M A@2 B A@2 B C@3 D F G H I F J K L M A@2 B A@2 B C@3 D E A@2
  B A@2 N@7
>`.pickRestart({
  A: "f#1@3 f#1@5", B: "c#2@3 f#1@5", C: "a2!2 d2!2", D: "a2!2 c#2!2", E: "f#2@3 ~", F: "f#1!8", G: "b1!4 f#1!2 b1!2",
  H: "e2!4 b1!2 e2!2", I: "a1!7 g#1", J: "b1!8", K: "e2@2 e2@2 e2@2 e2@2 b1@2 b1@2 e2@2 e2 [e2,f2]",
  L: "[f2,f#2,g2,g#2] a2 a2@2 a2@2 a2@2 a2@2 a2@2 a2@2 a2@2", M: "c#2", N: "[c#2@12 f#1@41 ~@3]/7",
})).s("gm_fretless_bass").gain(0.54).pan(0.6)

// other · rock organ · "Harmony Organ 3"
const rock_organ = note(`<
  ~ A B C A B C D E@2 F@2 A B C A B C D E@2 F@2 ~@8 A B C A B C D E@2 F@2 ~@8 A B C A B C D E@2 F@2 A B C G H I@3 ~@4
>`.pickRestart({
  A: "e5@3 d#5@3 ~@2", B: "d5@3 c#5@3 ~@2", C: "b4 a4 g#4 a4 ~@4", D: "e5@2 ~@4 c#5 e5",
  E: "[a5@2 e5 d5 c#5 d5@2 e5@3 ~@4 c#5 e5]/2", F: "[a5@2 e5@2 c#5@2 b4 a4@3 ~@6]/2", G: "[e5,a5]@3 [d#5,a5]@3 ~@2",
  H: "[d5,a5]@3 [c#5,a5]@3 ~@2", I: "[[b4,c#5]@3 [a4,c#5]@3 [g#4,c#5]@3 [a4,c#5]@10 ~@5]/3",
})).s("gm_rock_organ").gain(0.62).pan(0.2)

// chords · electric guitar muted · "Gtr 1 Muted"
const electric_guitar_muted = note(`<
  ~@7 A@3 ~ B ~@6 A@3 C D E F G H I F J K ~@6 A@3 C D E F G H I F J K ~@6 A@3 C L ~@7 M@5
>`.pickRestart({
  A: "~@3 [c#4,f#4,a4]@3 ~@2", B: "~ [c#3,f#3]!3 [c#3,f#3]@2 ~@2", C: "~@2 [b3,f4,g#4] ~", D: "~ [a3,c#4,f#4]!4 ~@3",
  E: "[b2,f#3]!8", F: "[e2,b2]!8", G: "[a2,e3]!8",
  H: "[f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3]@2 [f#2,c#3] [g2,d3]", // F#5 G5
  I: "[g#2,a2,a#2,d#3,e3,f3] [b2,f#3] [b2,f#3]@2 [b2,f#3]@2 [b2,f#3]@2 [b2,f#3]@2 [b2,f#3]@2 [b2,f#3]@2 [b2,f#3]@2", // B5
  J: "[a2,e3]!6 ~@2", K: "[f#4,g#4,c#5]@3 ~ [f4,g#4,c#5]@8 ~@4", L: "~ [c#3,f#3]!4 ~@3",
  M: "[~@6 c#3@7 ~@6 f#2@55 ~@6, ~@13 a2@62 ~@5]/5",
})).s("gm_electric_guitar_muted").gain(0.45).pan(0.9)

// chords · electric guitar jazz · "Gtr 2 Jazz"
const electric_guitar_jazz = note(`<
  ~ A B C A B C D@3 E ~ A B C A B C D@3 E F G H I J G H I K A B C A B C D@3 E F L M N O L M N K A B C A B C D@3 E ~ A B
  C ~@4 P@5
>`.pickRestart({
  A: "[c#4,e4]@3 [b3,d#4]@3 ~@2", B: "[b3,d4]@3 [a3,c#4]@3 ~@2", C: "[f3,b3,c#4]@3 [f#3,a3]@3 ~@2",
  D: "~ [a2,e3,a3,c#4] ~ [e3,a3,c#4,f#4]", E: "~ [a2,e3,a3,c#4] ~ [f3,b3,c#4]", F: "~ [c#3,f#3,a3,c#4]@2 ~",
  G: "[b2,f#3,b3,d#4]", H: "[e3,b3,e4,g#4]", I: "[e3,a3]", J: "[c#3,f#3,a3]", K: "[c#4,f#4,g#4]@3 ~ [c#4,f4,g#4]@8 ~@4",
  L: "[b2,f#3,b3,d#4]!8", M: "[e3,b3,e4,g#4]!8", N: "[a3,c#4,e4,a4]!8", O: "[c#3,f#3,a3]!8",
  P: "[~@6 c#3@7 ~@6 f#2@55 ~@6, ~@13 a2@62 ~@5]/5",
})).s("gm_electric_guitar_jazz").gain(0.32).pan(0.1)

// drums · kick
const kick = s("bd").struct("<~@4 A@3 B@4 C ~@3 A@3 B@4 D B@7 C ~@3 A@3 B@4 ~@8 C ~@3 A@3 B@4 C ~@12>".pickRestart({
  A: "x ~@2 x ~@4", B: "x ~@3 x!2 ~ x", C: "x", D: "x ~@2 x!3 ~ x",
})).gain(0.45)

// drums · snare
const snare = s("sd").struct("<~@4 A@2 B A@4 ~@4 A@2 B A@12 ~@4 A@2 B A@4 C@8 ~@4 A@2 B A@4 ~@13>".pickRestart({
  A: "~ x ~ x", B: "~ x ~@2", C: "x!8",
})).gain(0.4)

// drums · hihat
const hihat = s("hh").struct("<~ A@3 B@2 C ~@5 A@3 B@2 C ~@4 B@8 ~ A@3 B@2 C ~@13 A@3 B@2 C ~@17>".pickRestart({
  A: "x ~@2 x ~@4", B: "x!8", C: "x!5 ~@3",
})).gain(0.45)

// drums · low tom
const low_tom = s("lt").struct("<~@41 [x!8]!8 ~@24>").gain(0.45)

// drums · open hat
const open_hat = s("oh").struct("<~@6 A B C@3 ~@6 A B C@3 ~@14 A B C@3 ~@14 A B C@3 ~@13>".pickRestart({
  A: "~@5 x ~@2", B: "~ x!7", C: "x!8",
})).gain(0.4)

// drums · mid tom
const mid_tom = s("mt").struct("<~@6 A ~@10 A ~@18 A ~@18 A ~@17>".pickRestart({
  A: "~@12 x!4",
})).gain(0.4)

// drums · crash
const crash = s("cr").struct("<~@7 A ~@3 A ~@6 A ~@11 A ~@6 A ~@11 A ~@6 A ~@3 A ~@12>".pickRestart({
  A: "x",
})).gain(0.4)

// drums · ride
const ride = s("rd").struct("<~@61 [x ~@2 x ~@4]!5 ~ [~@15 x] [x!16]!2 [x!2 ~@14] ~@2>").gain(0.3)

// drums · tambourine
const tambourine = s("tb").struct(`<
  ~ A@3 B@3 C@4 D A@3 B@3 C@12 E A@3 B@3 C@12 E A@3 B@3 C@4 D A@5 ~ F C@2 G ~@2
>`.pickRestart({
  A: "~@2 x ~@3 x!2", B: "x!8", C: "x!16", D: "x!5 ~ x ~ x ~@7", E: "x", F: "~@15 x", G: "x!2 ~@14",
})).gain(0.3)

// drums · cabasa
const cabasa = s("cabasa:4").struct("<~@4 A@3 ~@8 A@3 ~@16 A@3 ~@16 A@3 ~@17>".pickRestart({
  A: "x!16",
})).gain(1.51)

stack(
  bass, rock_organ, electric_guitar_muted, electric_guitar_jazz, kick, snare, hihat, low_tom, open_hat, mid_tom, crash,
  ride, tambourine, cabasa
)