// Flute Sonata in B minor, BWV 1030: I. Andante — Bach Johann Sebastian
// 130 bpm, 4/4, key D major. Source: midi.
// Generated by strudelify. One cycle = one bar.
// note: pitch bends are ignored
// note: Full arrangement: all 39 bars on a 16-step grid, each part at one level. Source detail keeps the original performance.
setcpm(130/4)

// 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.

// other · piano · "A.PIANO 1"
const piano = note("<~ A@2 B A C D A@2 B E F G H I J K L M N@2 O P Q R S T U V ~ W X Y ~ Z AA AB AC AD>".pickRestart({
  A: "g2 ~ g3@2 b3@2 g3 ~ g2 ~ g3@2 b3@2 g3 ~", B: "g2 ~ g3@2 c4@2 g3 ~ g2 ~ g3@2 c4@2 g3 ~",
  C: "d2 ~ d3@2 g3@2 d3 ~ d2 ~ d3@2 f#3@2 d3 ~", D: "g2 ~@7", E: "g2 ~ g3 ~ b3@2 g3 ~ g2 ~ g3@2 b3@2 g3 ~",
  F: "a3@3 ~ f#3@3 ~ g3@3 ~ c#3@3 ~", G: "~@2 d2 ~ d3@2 c3@2 b2@2 a2@2 b2@2 g2 ~", H: "a2@3 ~ f#2@3 ~ g2@3 ~ c#2@2 ~@2",
  I: "~ d2 e2 f#2 g2 a2 b2 c#3 d3 e3 f#3 g3 a3 f#3 e3 d3", J: "a3@3 ~ c#3@3 ~ d3@3 ~ e3@2 ~@2",
  K: "f#3@3 ~ c#3@3 ~ d3@2 ~@2 b2@2 ~@2", L: "a2@2 ~@2 c#3@3 ~ d3@3 ~ e3@3 ~", M: "f#3@3 ~ c#3@3 ~ d3@3 ~ b2 ~@3",
  N: "[~@4 f#3@3 ~ g3@4 e3@3 ~ c#3@4 d3@4 b2@4 c#3@3 ~, a2@7 ~ a2@22 ~@2]/2",
  O: "~ d4 c#4 d4 b3 d4 c#4 d4 a3 d4 c#4 d4 g3 d4 c#4 d4", P: "f#3 d4 c#4 d4 b3 d4 c#4 d4 a3 d4 c#4 d4 g3 d4 c#4 d4",
  Q: "~ d4 c#4 d4 b3 d4 e4 d4 a3 d4 e4 d4 g3 d4 e4 d4, f#3 ~@7",
  R: "f#3 d4 e4 d4 b3 d4 e4 d4 ~ d4 e4 d4 g3 d4 e4 d4, ~@4 a3 ~@3", S: "f#3@4 ~@8 [f#3,a3]@3 ~",
  T: "g3@2 ~@2 g2@2 ~@2 g3@2 ~@2 g3 ~@3", U: "f#3 ~ f#3 ~ g3 ~ [a3,c#4] ~, d4@11 ~@5",
  V: "d3 d4 c#4 b3 a3 g3 f#3 e3 d3@2 ~@6", W: "[d2,d3] ~@3",
  X: "g3@2 ~@2 e4@2 ~@2 [a3,f#4]@3 ~ g4@4, ~@4 g3 ~@7 a3@2 ~@2", Y: "~@2 g4@2 f#4@2 e4@2 f#4@3 ~@5, d4@5 ~@3",
  Z: "[d2,d3]@5 ~@11", AA: "g3 ~ [g2,g3] ~ [a2,f#3] ~ [a2,e3] ~", AB: "d3@4 f#3@2 ~@2 g3@4 a3@3 ~, f#3 ~@7",
  AC: "b3@4 f#3@3 ~ g3@4 a3@3 ~", AD: "~ d3 e3 f#3 g3 a3 b3 c#4 d4@2 ~@6",
})).s("gm_piano").gain(0.62)

stack(piano)