// Bad Wolf (Ninth Doctor's Theme) — Murray Gold
// 110 bpm, 2/4, key E major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: Transcription provider: pdmx. https://musescore.com/score/4909710; license: https://creativecommons.org/publicdomain/zero/1.0/
// note: Full arrangement: all 60 bars on a 16-step grid, each part at one level; ghost notes are separate "_soft" parts. Source detail keeps the original performance.
setcpm(110/2)

// 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 · piano
const piano = note(`<
  A B@2 C D E@2 F G@2 H@3 I J@4 K L M@2 K L M@2 N O P@2 A B@2 C D E@2 F G@2 H@3 I J@4 K L M@2 K L M@2 N O P@2
>`.pickRestart({
  A: "e5@11 ~ c5@4, a3@15 ~", B: "[[e4,b4] ~@6 a4, a3@15 ~ a3@15 ~, ~@4 a4@23 ~@5]/2",
  C: "[a4,b4] a4 [d4,f4] g4, a3@15 ~", D: "[a2,a3,e4]@15 ~", E: "[a3@15 ~@13 a4@4, [a4,e5]@27 ~@5, ~@16 a3@15 ~]/2",
  F: "[a4,g5] f5 [a4,d5] f5, a3@15 ~", G: "[[e2,e3]@15 ~@9 [d4,f4]@8, [e4,e5]@23 ~@9, ~@16 e3@15 ~]/2",
  H: "[e3@15 ~ e3@15 ~ e3@15 ~, e4@23 ~]/3", I: "[e4,g4] [d4,f4], e3@15 ~",
  J: "[e3@15 ~ e3@15 ~ d3@15 ~@9 f5@8, e4@53 ~@11, ~@48 d3@15 ~]/4", K: "[a2,a3,a4,e5]@15 ~", L: "a4 [a4,d5], a2@15 ~",
  M: "[[e2,e3]@15 ~@9 f5@8, b4@23 ~@9, ~@16 e3@15 ~]/2", N: "[a2,a4,e5]@15 ~", O: "a4 d5", P: "[[e2,b4]@15 ~]/2",
})).s("gm_piano").gain(0.25)

// bass · contrabass · "Contrabajo"
const bass = note("<~@10 A@3 B@3 C@2 D@4 E@4 ~@14 A@3 B@3 C@2 D@4 E@4 ~@4>".pickRestart({
  A: "e2/3", B: "e3/3", C: "d3/2", D: "[~ e2, e3]/4", E: "e3/4",
})).s("gm_contrabass").gain(0.3)

// bass · contrabass · "Contrabajo" · soft notes
const bass_soft = note("<~@8 A@2 ~@14 B@2 C@4 ~@8 A@2 ~@14 B@2 C@4>".pickRestart({
  A: "e1/2", B: "e2/2", C: "e3/4",
})).s("gm_contrabass").gain(0.15)

stack(piano, bass, bass_soft)