Home : Tune Toys : Expresso 
  Expresso takes a simple musical expression (literally "X") and mutates it. In each generation, transformations are applied to components of the expression. This is a fractal technique known as an L-system. The more generations there are, the larger and more complex the expression gets (and the longer it can take to compute). The output varies wildly, from boring to fascinating. Press "Mutate" a few times till you get something that looks interesting, then click on the image to play it. See Composer's Quarry for examples of output.

Transformations:
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After 19 generations the expression "X" became this:
(transpose(arpeggio(transpose(transpose(((step(step((((X+transpose(transpose(X,4) ,4) ) +transpose((X|X) ,7) ) +transpose(shuffle(X) ,4) ) ,12) ,12) +transpose((shuffle(transpose(transpose(((((X|transpose(X,-5) ) +transpose(transpose(arpeggio(X) ,-7) ,4) ) +transpose(echo(X,4,6) ,7) ) |transpose(X,-5) ) ,-5) ,-7) ) +transpose((echo(((((X+transpose(echo(transpose(X,4) ,4,6) ,7) ) +transpose(transpose(transpose(X,-7) ,-7) ,4) ) +transpose(echo(X,4,6) ,7) ) +transpose(transpose(X,-5) ,12) ) ,4,6) +(transpose(X,-7) |step(((X+transpose(X,4) ) +transpose((X|X) ,7) ) ,12) ) ) ,12) ) ,7) ) |arpeggio(echo(((((transpose(X,-5) +transpose((X+X) ,7) ) |(X|transpose(X,-5) ) ) +transpose(transpose((X|X) ,-7) ,7) ) |((arpeggio(X) +transpose(X,7) ) +transpose(echo(echo(X,4,6) ,4,6) ,4) ) ) ,4,6) ) ) ,-7) ,4) ) ,-5) +transpose(((((arpeggio(transpose(shuffle((echo((transpose(X,4) |X) ,4,6) +transpose((((transpose(((X+transpose((((X|(X+transpose(X,7) ) ) |transpose((X|X) ,4) ) +transpose(((((X+transpose(shuffle(X) ,4) ) +transpose(shuffle(X) ,7) ) |transpose(X,4) ) +step(X,12) ) ,12) ) ,4) ) +transpose((step(transpose((X|X) ,-5) ,12) +transpose((X+transpose(X,-7) ) ,12) ) ,7) ) ,-7) +((step(X,12) +echo(transpose(X,-7) ,4,6) ) +transpose(echo((transpose((X+X) ,4) +transpose((transpose(X,-7) |(X|X) ) ,12) ) ,4,6) ,7) ) ) +transpose(transpose((transpose((X|X) ,4) |transpose(transpose((transpose(X,-7) |arpeggio(X) ) ,4) ,-7) ) ,4) ,4) ) +transpose(arpeggio(((transpose((X|X) ,-5) |echo(step(X,12) ,4,6) ) +transpose((transpose(transpose(X,-5) ,4) +transpose(step((X+X) ,12) ,7) ) ,4) ) ) ,7) ) ,12) ) ) ,-7) ) +transpose((step(transpose(transpose((step((X+X) ,12) +transpose(transpose(transpose(X,-7) ,4) ,12) ) ,-7) ,-5) ,12) |((arpeggio(transpose((arpeggio(transpose(X,-7) ) +(transpose((transpose(X,-5) |X) ,4) +transpose(step(shuffle(X) ,12) ,12) ) ) ,-5) ) |(arpeggio(echo(transpose((step((X+X) ,12) +transpose((transpose(step(transpose(X,-7) ,12) ,4) +echo(echo(X,4,6) ,4,6) ) ,12) ) ,4) ,4,6) ) |shuffle((transpose(transpose(X,4) ,-7) +X) ) ) ) |(((((shuffle(transpose((transpose(transpose(X,-5) ,-5) +transpose((transpose(transpose(X,4) ,-7) +(X+((X+transpose(X,4) ) +transpose(X,7) ) ) ) ,12) ) ,4) ) +transpose((shuffle((transpose(transpose(X,-7) ,-7) |(arpeggio(transpose(X,-5) ) +X) ) ) +transpose(transpose(transpose(((transpose(X,4) +X) +((X+X) +transpose((echo(X,4,6) |arpeggio(X) ) ,12) ) ) ,-7) ,4) ,7) ) ,4) ) +transpose((step(((X+X) +arpeggio(X) ) ,12) +transpose(transpose((X+transpose(X,7) ) ,-5) ,12) ) ,7) ) +transpose(step((transpose(((X+transpose(X,7) ) +transpose(echo((transpose(X,-5) |((X+transpose(X,4) ) +transpose(X,7) ) ) ,4,6) ,7) ) ,-5) +(transpose(shuffle(arpeggio(step(X,12) ) ) ,-5) +transpose(transpose(((transpose(X,4) +transpose((((X+X) +transpose((X+transpose(X,12) ) ,4) ) +transpose(X,7) ) ,12) ) +(transpose(X,-7) +transpose(X,7) ) ) ,-7) ,12) ) ) ,12) ,12) ) +transpose(transpose(echo(arpeggio(((arpeggio(transpose(X,-7) ) +((X+transpose(X,12) ) +transpose(X,7) ) ) +transpose((((X|X) +transpose(transpose(step(X,12) ,4) ,12) ) +transpose(shuffle(X) ,12) ) ,12) ) ) ,4,6) ,-7) ,-5) ) +transpose((transpose((echo(X,4,6) |((X+transpose(X,4) ) +transpose(X,7) ) ) ,4) +echo(echo(transpose((echo(transpose(X,-5) ,4,6) |X) ,-5) ,4,6) ,4,6) ) ,-7) ) ) ) ,7) ) |(arpeggio(transpose(((((transpose(((transpose((X|X) ,-5) +transpose(transpose(X,-5) ,4) ) +transpose(transpose(transpose(X,-7) ,4) ,7) ) ,-5) |step(echo(shuffle(X) ,4,6) ,12) ) |(((step(((X+X) +(X+X) ) ,12) +transpose((((X+transpose(X,12) ) +transpose(transpose(X,4) ,4) ) +transpose((X+transpose(X,12) ) ,7) ) ,12) ) +transpose(step(echo(X,4,6) ,12) ,4) ) +transpose(shuffle(X) ,7) ) ) +transpose(((X|(X+transpose(X,12) ) ) +transpose(step((X+X) ,12) ,12) ) ,7) ) |transpose(echo(((transpose((X+transpose(X,7) ) ,-5) +transpose(X,12) ) |transpose(X,-5) ) ,4,6) ,4) ) ,-5) ) +transpose((transpose((transpose(transpose(step((transpose(transpose(X,4) ,-7) |step(X,12) ) ,12) ,-5) ,4) |transpose((((transpose(echo(((X+X) +transpose((X+X) ,12) ) ,4,6) ,-7) |transpose(transpose((step(X,12) |transpose(X,-7) ) ,-5) ,-5) ) +transpose((((echo(transpose(arpeggio(arpeggio(X) ) ,4) ,4,6) |(transpose(echo(shuffle(transpose(X,4) ) ,4,6) ,-5) +((transpose(X,4) +((X+X) |shuffle(X) ) ) +(transpose(X,-7) |X) ) ) ) +transpose((transpose((X+transpose((X+transpose(X,12) ) ,7) ) ,4) +transpose(shuffle(X) ,7) ) ,12) ) |transpose(((((((X|X) +((X+transpose(X,4) ) +transpose(X,7) ) ) +transpose(((X+transpose(X,7) ) +transpose(X,12) ) ,7) ) +transpose((transpose(X,4) +X) ,7) ) +(shuffle(transpose(X,4) ) +transpose(((X+transpose(X,12) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ,12) ) ) |(transpose((X+X) ,-5) +transpose(transpose(X,4) ,12) ) ) ,4) ) ,12) ) |((echo((X+transpose(((X+transpose(X,12) ) +X) ,7) ) ,4,6) +transpose(shuffle(echo((((X|X) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ) +transpose(((transpose(X,-5) +transpose(X,4) ) +transpose(transpose(X,-7) ,7) ) ,7) ) ,4,6) ) ,4) ) +transpose(((X+transpose(step(shuffle((X+transpose(X,12) ) ) ,12) ,4) ) +transpose((((X+transpose(X,12) ) +transpose(arpeggio(X) ,4) ) +transpose(echo(X,4,6) ,7) ) ,7) ) ,7) ) ) ,-7) ) ,-5) +transpose(transpose(((transpose(arpeggio((transpose((transpose(X,4) +transpose(transpose(X,-7) ,12) ) ,-7) |(transpose((((X+X) +transpose(step(X,12) ,4) ) +transpose(X,7) ) ,4) |(shuffle(X) +transpose((X|X) ,12) ) ) ) ) ,-5) |(((((((transpose(X,-7) +transpose((X|X) ,7) ) +transpose((arpeggio(transpose(X,-5) ) +(arpeggio(X) |X) ) ,4) ) +transpose(((transpose(transpose(X,-7) ,-7) +transpose(transpose((X+(X+X) ) ,4) ,4) ) +transpose(transpose(transpose(transpose(X,-7) ,-7) ,4) ,7) ) ,7) ) |(transpose(transpose((transpose(X,-5) +transpose(step(X,12) ,12) ) ,-5) ,-7) +(transpose(transpose(X,-7) ,4) +transpose(transpose((arpeggio(X) |step(X,12) ) ,-5) ,12) ) ) ) |transpose(echo(transpose(transpose(X,-7) ,-7) ,4,6) ,4) ) +transpose(transpose(transpose(arpeggio(X) ,-7) ,-5) ,4) ) +transpose(step(((X+transpose((transpose(X,-7) |transpose((((X+transpose(X,7) ) +transpose(X,4) ) +transpose(X,7) ) ,4) ) ,4) ) +transpose((echo((X+X) ,4,6) |((X+transpose((X+X) ,4) ) +transpose(transpose(X,-7) ,7) ) ) ,7) ) ,12) ,7) ) ) +((transpose(arpeggio(transpose(step((X+transpose(step(X,12) ,7) ) ,12) ,-7) ) ,-5) +(((transpose(X,-5) |transpose(X,-5) ) |arpeggio((((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(X,4) ) +transpose(X,4) ) +transpose(((X|X) +transpose((X+X) ,7) ) ,7) ) ) ) |transpose((step((X+transpose(X,7) ) ,12) +transpose(shuffle(X) ,12) ) ,-5) ) ) +transpose(arpeggio(transpose(X,-7) ) ,7) ) ) ,-5) ,7) ) ,7) ) ) +transpose(transpose(step(transpose((step(((((X+transpose((X+transpose(X,7) ) ,-7) ) +transpose(echo(arpeggio(((X+transpose(X,4) ) +transpose(X,7) ) ) ,4,6) ,7) ) +transpose(step(shuffle(X) ,12) ,12) ) +transpose(transpose(transpose(((shuffle(X) |transpose((X+transpose(X,7) ) ,-5) ) +transpose(shuffle((X+transpose((((X+transpose(X,4) ) +transpose(X,7) ) |X) ,7) ) ) ,7) ) ,4) ,-7) ,7) ) ,12) +transpose((transpose((((step(shuffle((X+transpose(echo(X,4,6) ,7) ) ) ,12) +transpose(((step(X,12) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ) +transpose(echo(X,4,6) ,7) ) ,4) ) +transpose((transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) |echo(X,4,6) ) ,7) ) +transpose(transpose(shuffle(arpeggio((X+X) ) ) ,-7) ,-7) ) ,4) |transpose(transpose((arpeggio(X) +(echo(X,4,6) |transpose(transpose(X,-5) ,-7) ) ) ,4) ,-7) ) ,7) ) ,4) ,12) ,-7) ,4) ) +transpose((((transpose(transpose((arpeggio(transpose(transpose((shuffle((((step(X,12) +transpose(step(X,12) ,7) ) +transpose(echo(echo(X,4,6) ,4,6) ,4) ) +transpose(transpose((X|X) ,4) ,7) ) ) +transpose((((X+transpose(X,7) ) +X) +transpose(((X+X) +transpose(X,7) ) ,12) ) ,12) ) ,4) ,-5) ) +echo(transpose(transpose(transpose(transpose(shuffle(echo(X,4,6) ) ,-5) ,4) ,-5) ,-5) ,4,6) ) ,-5) ,-7) +(((((transpose(echo(transpose((transpose(shuffle(transpose(X,-5) ) ,4) +transpose(((((X+transpose(X,12) ) +transpose(X,12) ) +transpose(transpose(X,-7) ,4) ) +transpose(((X+X) |(X+X) ) ,7) ) ,7) ) ,4) ,4,6) ,-7) +transpose((transpose(shuffle(shuffle(step(transpose(echo(step(transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-5) ,12) ,4,6) ,4) ,12) ) ) ,4) +(step(transpose(transpose(transpose(transpose((X+transpose(X,12) ) ,-7) ,-5) ,-5) ,-7) ,12) +transpose(transpose(transpose(((shuffle((((X+transpose(X,4) ) +transpose(X,7) ) |transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) ) ) |transpose((transpose(X,-7) +transpose((step(X,12) +(X+X) ) ,7) ) ,4) ) +X) ,4) ,-5) ,12) ) ) ,7) ) +transpose(((((((transpose((X+(transpose(X,4) +((X+transpose(X,4) ) +transpose(X,7) ) ) ) ,4) +transpose(transpose(transpose(X,-7) ,-7) ,12) ) +transpose((transpose((transpose(X,-5) +echo(X,4,6) ) ,-7) +transpose(echo(arpeggio(X) ,4,6) ,4) ) ,4) ) +transpose(transpose(echo((transpose(X,-7) +(transpose(X,-5) +X) ) ,4,6) ,-7) ,7) ) +transpose((((transpose((((X+X) |X) |step((X|X) ,12) ) ,4) +transpose((((((X+(X+X) ) +transpose(X,4) ) +transpose(shuffle(X) ,7) ) +transpose(transpose(((X+transpose(X,7) ) |echo(X,4,6) ) ,4) ,4) ) +transpose(transpose(((X|X) +transpose(X,7) ) ,-5) ,7) ) ,7) ) +transpose(((transpose(transpose(X,-7) ,4) +transpose((step(X,12) |transpose(X,4) ) ,4) ) +transpose(((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(transpose(step(X,12) ,-7) ,4) ) +transpose(arpeggio(X) ,7) ) ,7) ) ,-7) ) +transpose(transpose(step((transpose(transpose(X,4) ,-5) +(X+transpose(X,4) ) ) ,12) ,-5) ,12) ) ,4) ) +transpose((arpeggio((transpose(X,-5) +echo(X,4,6) ) ) +transpose(arpeggio((((((X|X) |(((X+X) +transpose(shuffle(X) ,4) ) +transpose(X,7) ) ) +transpose(X,12) ) +transpose(((X+transpose(X,4) ) +transpose((X|(X+transpose(X,7) ) ) ,7) ) ,4) ) +transpose(((((X|X) +transpose(X,12) ) +transpose(transpose(X,4) ,7) ) |transpose(transpose(X,4) ,-5) ) ,7) ) ) ,7) ) ,7) ) +echo((echo(transpose(transpose(X,4) ,-5) ,4,6) +arpeggio(((X+(X|X) ) |transpose(((X+X) |transpose(X,4) ) ,-7) ) ) ) ,4,6) ) ,12) ) +transpose(transpose(echo(transpose((arpeggio((transpose((((X|X) +transpose(X,12) ) |(X+transpose(transpose(X,4) ,7) ) ) ,4) +(transpose(shuffle(X) ,-7) +(transpose(X,-7) +transpose(step((X+X) ,12) ,-5) ) ) ) ) +transpose((((transpose(transpose(shuffle(X) ,4) ,-7) |((transpose((X+transpose(X,7) ) ,-7) +transpose((X+X) ,7) ) +transpose((arpeggio((X|X) ) |(X+transpose(X,4) ) ) ,7) ) ) +transpose(((arpeggio(transpose(X,-5) ) +transpose(((step(X,12) +((X+transpose(X,4) ) +transpose(X,7) ) ) |(step(X,12) +transpose(transpose((X+X) ,-5) ,12) ) ) ,7) ) +transpose(echo(((transpose((X+transpose(X,7) ) ,-7) +(transpose(X,-7) |X) ) |((((X+transpose(X,12) ) |(X+transpose(X,7) ) ) +transpose(((X+transpose((X+X) ,4) ) +transpose(X,7) ) ,4) ) +transpose(transpose((X+X) ,-7) ,7) ) ) ,4,6) ,12) ) ,4) ) +transpose(((((transpose(X,4) |(X|X) ) +transpose((transpose(X,4) |step(X,12) ) ,4) ) +transpose(echo((X|X) ,4,6) ,7) ) +transpose(shuffle(transpose(((X+transpose(X,4) ) +transpose((X+X) ,7) ) ,4) ) ,12) ) ,7) ) ,7) ) ,-5) ,4,6) ,4) ,7) ) +step(((echo(((((((X+transpose(X,4) ) +transpose(X,7) ) +X) +echo(X,4,6) ) +transpose((X|echo((X|X) ,4,6) ) ,-7) ) |(transpose(shuffle(X) ,-7) +(transpose(arpeggio(((X+X) |X) ) ,-5) |(((X|X) +transpose(X,7) ) +(shuffle(X) |((X+X) |X) ) ) ) ) ) ,4,6) +transpose((((transpose(echo(transpose(echo(X,4,6) ,-7) ,4,6) ,-7) +transpose(transpose(transpose(transpose(X,-5) ,4) ,4) ,12) ) +transpose(transpose(((transpose(X,4) +transpose(X,4) ) +transpose((X+X) ,7) ) ,-7) ,-5) ) +transpose(((transpose(transpose(X,-7) ,-7) +transpose(shuffle(transpose(X,-7) ) ,7) ) +(transpose((X|X) ,4) |(step(X,12) +transpose(X,12) ) ) ) ,-5) ) ,4) ) +transpose(transpose(arpeggio((((echo(transpose(transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ,-7) ,4,6) +transpose(((step(transpose(X,-7) ,12) +transpose(((X+transpose(X,12) ) +transpose((X|X) ,12) ) ,4) ) +transpose(step((X+X) ,12) ,7) ) ,4) ) +transpose((transpose((X+transpose(X,7) ) ,-5) +transpose(((arpeggio(X) +transpose(transpose(step(X,12) ,-5) ,4) ) +transpose(step((transpose(X,4) +X) ,12) ,7) ) ,12) ) ,7) ) |transpose((transpose(((transpose(X,4) +transpose(X,4) ) +transpose(X,7) ) ,-5) +transpose(shuffle(X) ,-7) ) ,-7) ) ) ,-5) ,7) ) ,12) ) |((transpose(step(transpose(transpose((((transpose(transpose(X,-7) ,-5) +transpose((X+X) ,12) ) |(transpose(X,-5) +X) ) +(((X+transpose(transpose((((X+X) +transpose((X|X) ,4) ) +transpose((X+transpose(X,12) ) ,7) ) ,-5) ,4) ) +transpose(((X|X) |(X|X) ) ,7) ) +transpose(arpeggio(echo(X,4,6) ) ,7) ) ) ,4) ,-5) ,12) ,-7) +transpose((transpose((arpeggio((arpeggio(transpose(transpose(transpose(X,4) ,-5) ,-5) ) |(shuffle(X) |transpose((X+transpose(X,-7) ) ,4) ) ) ) |echo((((transpose(X,-5) +step(X,12) ) +transpose((((X+transpose(X,12) ) +transpose(transpose(X,4) ,4) ) +transpose(echo(X,4,6) ,7) ) ,12) ) +transpose(((transpose(X,-5) +transpose((X+transpose((X+X) ,12) ) ,4) ) +transpose(echo(X,4,6) ,7) ) ,-5) ) ,4,6) ) ,-7) |(shuffle(arpeggio(transpose(X,-5) ) ) |(echo(echo(step((((X+transpose(transpose(X,4) ,12) ) +transpose(transpose(X,-5) ,7) ) +transpose(echo(X,4,6) ,-7) ) ,12) ,4,6) ,4,6) +transpose((echo(step(((X+X) +(X+transpose(X,12) ) ) ,12) ,4,6) +transpose((transpose(transpose(transpose((X|X) ,4) ,-7) ,4) |((((((transpose(X,4) +transpose(X,4) ) +transpose((X+transpose(X,7) ) ,7) ) +transpose(X,12) ) +transpose((((X+transpose(X,12) ) +transpose(X,4) ) +transpose(step(X,12) ,7) ) ,4) ) +transpose((X+(((X+transpose(X,4) ) +transpose(X,7) ) |(X+transpose(X,12) ) ) ) ,7) ) +transpose((echo((X+transpose(X,7) ) ,4,6) +(echo(X,4,6) +transpose((X+transpose(X,12) ) ,-7) ) ) ,12) ) ) ,12) ) ,7) ) ) ) ,4) ) +transpose(transpose((((transpose((transpose(transpose(X,4) ,-5) +transpose(X,4) ) ,-5) +transpose((((X+(X|X) ) +(X+transpose(X,7) ) ) +transpose((transpose((X+X) ,-5) |(X|X) ) ,12) ) ,7) ) +transpose(transpose(transpose(((step((((X+transpose(X,7) ) +transpose((transpose(X,-7) +transpose((X+transpose(X,12) ) ,12) ) ,4) ) +transpose((transpose(X,4) |X) ,7) ) ,12) +transpose(arpeggio(transpose(X,-5) ) ,4) ) +transpose((transpose(transpose(X,4) ,-5) +(((X+transpose(X,12) ) +transpose(X,7) ) |shuffle(transpose(X,-5) ) ) ) ,7) ) ,4) ,4) ,7) ) +transpose((transpose(transpose(echo(arpeggio(step(transpose(X,-5) ,12) ) ,4,6) ,-5) ,-5) +transpose((transpose(transpose(step(X,12) ,-5) ,4) +transpose(echo((step(((X+X) +(X+transpose(X,12) ) ) ,12) +step(X,12) ) ,4,6) ,7) ) ,12) ) ,12) ) ,-5) ,7) ) ) ) +transpose(echo(((step((transpose(transpose((X+X) ,-5) ,-5) |shuffle(transpose(transpose(transpose((X|X) ,4) ,-7) ,-7) ) ) ,12) +transpose(transpose(transpose(echo((transpose(arpeggio(arpeggio(transpose(arpeggio(X) ,-5) ) ) ,4) +transpose(((arpeggio(arpeggio(X) ) +transpose(((((X+transpose(X,4) ) +transpose(X,7) ) |X) +transpose(((X+X) +X) ,7) ) ,7) ) +transpose(transpose(echo(transpose(X,4) ,4,6) ,-7) ,7) ) ,12) ) ,4,6) ,4) ,4) ,4) ) +transpose((echo(step((shuffle((transpose(X,-5) +transpose((step(X,12) |transpose(X,4) ) ,7) ) ) |((transpose(X,-5) +transpose(((X|X) +transpose((X+X) ,7) ) ,7) ) +arpeggio(shuffle(shuffle((X|X) ) ) ) ) ) ,12) ,4,6) |transpose(((shuffle((transpose(arpeggio((X|X) ) ,-7) +(shuffle(X) +transpose(shuffle(shuffle((X+X) ) ) ,12) ) ) ) +transpose((transpose(shuffle((X+X) ) ,4) |(transpose(transpose(X,4) ,4) +transpose((X+transpose(shuffle(X) ,12) ) ,12) ) ) ,7) ) +transpose(((transpose(arpeggio((X+X) ) ,-7) +transpose(transpose(step((X+transpose(((X+transpose((X+transpose(X,7) ) ,4) ) +transpose(X,7) ) ,7) ) ,12) ,-5) ,7) ) +transpose(step((((transpose((X+X) ,-5) |transpose((X+transpose(X,12) ) ,-5) ) +transpose(X,4) ) +(((X+transpose(X,4) ) +transpose(X,7) ) |transpose(X,4) ) ) ,12) ,12) ) ,12) ) ,4) ) ,7) ) ,4,6) ,4) ) +transpose(arpeggio(step(((((transpose(((((step(X,12) |(X+transpose(X,12) ) ) +transpose((X+transpose(X,12) ) ,12) ) +transpose(step(transpose(X,-5) ,12) ,4) ) +transpose(transpose(transpose(transpose(X,4) ,-5) ,4) ,7) ) ,4) +transpose(transpose(((echo(step((shuffle(X) |(X+transpose(X,7) ) ) ,12) ,4,6) |X) +step(((X+transpose((echo(X,4,6) +transpose(transpose(X,-7) ,12) ) ,4) ) +transpose(X,7) ) ,12) ) ,4) ,7) ) +transpose((((((step(X,12) +(step(X,12) +transpose((X+X) ,12) ) ) +transpose(arpeggio(((((transpose((X+transpose((X+X) ,12) ) ,4) |step((X+transpose(X,7) ) ,12) ) +transpose(transpose((X|X) ,-5) ,7) ) +transpose(shuffle(transpose(shuffle(X) ,4) ) ,4) ) +transpose((transpose(transpose(step((X+transpose(X,7) ) ,12) ,-7) ,-7) +(X+transpose((X+X) ,12) ) ) ,7) ) ) ,4) ) +transpose(echo(step(((transpose(arpeggio(X) ,-7) +transpose(echo(X,4,6) ,7) ) +transpose((transpose(transpose(X,4) ,-7) +transpose(transpose((X+transpose(X,7) ) ,-7) ,12) ) ,7) ) ,12) ,4,6) ,7) ) +transpose(((((shuffle(((X+transpose(X,4) ) +transpose(X,7) ) ) |transpose(X,-5) ) +((((((X+X) +transpose(arpeggio(X) ,12) ) +transpose(transpose(X,4) ,7) ) +transpose(((X+transpose(X,12) ) +transpose(echo(X,4,6) ,7) ) ,4) ) +transpose((transpose((X|X) ,-5) +(X|transpose(X,-5) ) ) ,7) ) |transpose(((X+X) +X) ,-7) ) ) +transpose((((echo(transpose((X|X) ,4) ,4,6) +transpose(transpose(((X|X) +transpose(arpeggio(X) ,12) ) ,-7) ,4) ) +transpose((echo(((X|X) |(X+transpose(X,12) ) ) ,4,6) +transpose((((X+transpose(X,7) ) |(X+transpose(X,12) ) ) +transpose((arpeggio(X) +X) ,7) ) ,7) ) ,7) ) +transpose(transpose(transpose(X,4) ,-5) ,-5) ) ,4) ) +transpose((transpose(transpose(X,4) ,-7) +transpose((transpose((((X+X) |((X+transpose(X,4) ) +transpose(X,7) ) ) +(X+arpeggio(X) ) ) ,-5) +transpose(step(step(step((X+transpose(X,7) ) ,12) ,12) ,12) ,12) ) ,12) ) ,7) ) ,7) ) +transpose(transpose((((X+transpose(X,4) ) +(transpose(X,-5) |X) ) +(step(X,12) +transpose((X|X) ,12) ) ) ,4) ,-5) ) ,7) ) +transpose((((transpose((transpose((arpeggio((X+(X|X) ) ) +transpose(shuffle((shuffle(X) +transpose(X,7) ) ) ,12) ) ,-7) |(step(X,12) +transpose((transpose(transpose(X,4) ,-5) +X) ,7) ) ) ,4) +transpose((step(shuffle(transpose(transpose((X+transpose(X,7) ) ,-5) ,-5) ) ,12) |(arpeggio((transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) |(X|shuffle(X) ) ) ) |(((((X+(X+transpose(X,12) ) ) +transpose((X+transpose(X,7) ) ,4) ) +transpose((X+transpose(X,12) ) ,7) ) +transpose(transpose(((X|X) |(X+transpose(X,7) ) ) ,4) ,12) ) |transpose(((X+X) |X) ,-5) ) ) ) ,-5) ) +transpose(transpose(transpose(transpose((transpose((X|X) ,-5) |arpeggio((transpose(X,4) +transpose((transpose(X,-7) +transpose(((X+X) +transpose(X,-7) ) ,12) ) ,12) ) ) ) ,-5) ,-7) ,-7) ,4) ) +transpose(transpose(transpose(step((step(X,12) +transpose(arpeggio((X+X) ) ,12) ) ,12) ,-7) ,4) ,7) ) ,12) ) +transpose(((((step((X|X) ,12) +transpose(shuffle(transpose((((X+transpose(X,4) ) +transpose(X,7) ) +X) ,-5) ) ,7) ) +transpose(transpose(transpose((echo(X,4,6) +transpose(transpose(X,-5) ,12) ) ,4) ,-7) ,7) ) +shuffle(echo((echo(((X+X) |transpose(X,-7) ) ,4,6) +transpose(((X+transpose(X,12) ) |transpose(X,-7) ) ,7) ) ,4,6) ) ) |((transpose(step(((((X|X) |(X|X) ) +transpose(transpose(arpeggio(X) ,-5) ,4) ) +transpose((transpose(X,-7) +transpose(X,-7) ) ,7) ) ,12) ,4) +transpose(transpose(transpose(transpose(X,-5) ,-7) ,-5) ,-7) ) +transpose(transpose(((transpose(arpeggio(transpose(transpose(X,-5) ,4) ) ,4) +transpose(X,4) ) +transpose(shuffle(echo(X,4,6) ) ,7) ) ,-5) ,4) ) ) ,7) ) ,12) ) ,7) ) ,7) ) ,7) )
random seed used was 853211

NOTE: Generated phrase was too large ( 10848 ) , it has been truncated at 5000 notes. EXPR = transpose((echo(((transpose(transpose((transpose(arpeggio(transpose(step(transpose((X+transpose(X,4) ) ,-5) ,12) ,4) ) ,4) +transpose((transpose((transpose(step((X|X) ,12) ,-5) |transpose((transpose(echo(X,4,6) ,-5) +transpose(X,-5) ) ,4) ) ,-5) +arpeggio(transpose(((transpose(X,-7) +(shuffle(X) +transpose(X,-7) ) ) +transpose(transpose(step((X+transpose((X+X) ,12) ) ,12) ,-7) ,7) ) ,4) ) ) ,12) ) ,4) ,4) +transpose(step(((((((transpose(transpose(X,-5) ,4) |shuffle(transpose(step(transpose(echo(X,4,6) ,-7) ,12) ,-5) ) ) +transpose(transpose((((transpose(((X+X) +transpose(step(X,12) ,12) ) ,4) |shuffle(X) ) +transpose(transpose(echo((X+X) ,4,6) ,4) ,7) ) +((transpose(transpose(echo((X+transpose(transpose(X,-7) ,12) ) ,4,6) ,-7) ,4) +transpose((arpeggio((arpeggio(transpose(X,-5) ) +transpose((shuffle((X+transpose(X,12) ) ) +transpose(transpose((X+transpose(X,7) ) ,4) ,7) ) ,12) ) ) +transpose(transpose(transpose(transpose(X,-5) ,-7) ,-7) ,7) ) ,4) ) +transpose((arpeggio((X|X) ) |arpeggio(transpose(X,4) ) ) ,7) ) ) ,-7) ,4) ) +transpose((((transpose(echo(transpose(transpose(X,4) ,-5) ,4,6) ,4) +transpose((transpose(X,4) |transpose(arpeggio(X) ,-7) ) ,-5) ) |(arpeggio(echo(echo(step(echo(X,4,6) ,12) ,4,6) ,4,6) ) +(((((X+transpose(transpose(X,-5) ,4) ) +transpose(((X+transpose(echo(X,4,6) ,4) ) +transpose(X,7) ) ,7) ) +(shuffle(X) +transpose(transpose(X,4) ,12) ) ) +transpose(echo(((X+transpose(X,12) ) |X) ,4,6) ,4) ) +transpose(transpose(transpose(transpose(X,4) ,4) ,-7) ,7) ) ) ) +transpose(transpose(transpose((echo((transpose((X|X) ,-5) +transpose(transpose(X,-5) ,7) ) ,4,6) |((X|X) +step(X,12) ) ) ,-5) ,4) ,7) ) ,7) ) +transpose(((transpose(step((transpose(transpose(X,-5) ,-5) +(((X+transpose(X,7) ) +transpose(step(X,12) ,4) ) +transpose((X|X) ,7) ) ) ,12) ,-5) |(transpose(shuffle(shuffle(X) ) ,-7) |echo(((transpose(transpose(X,-7) ,4) +transpose(arpeggio(((transpose(X,4) +transpose((X+X) ,4) ) +transpose(transpose(X,-7) ,7) ) ) ,4) ) +transpose(transpose((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(echo(X,4,6) ,7) ) ,-5) ,7) ) ,4,6) ) ) +shuffle(transpose(((((X|X) +transpose(X,4) ) +transpose(((X|X) +transpose(transpose((X+transpose(X,12) ) ,4) ,4) ) ,4) ) +transpose((transpose(transpose(arpeggio(X) ,-5) ,-7) +((transpose(X,4) +transpose(arpeggio(X) ,4) ) +transpose(X,7) ) ) ,7) ) ,-5) ) ) ,7) ) +transpose(((transpose(transpose((((((X|X) |X) +transpose((X|X) ,4) ) +transpose(((X+transpose(transpose((shuffle(X) |X) ,-5) ,4) ) +transpose((((shuffle(X) +transpose(X,4) ) +transpose(X,7) ) +echo(shuffle(X) ,4,6) ) ,7) ) ,7) ) +transpose(((((X+transpose(X,7) ) +transpose(echo(transpose(X,-5) ,4,6) ,12) ) +transpose((step(X,12) +arpeggio(X) ) ,7) ) +transpose((transpose(transpose((X+transpose(X,12) ) ,4) ,-7) +transpose(arpeggio(X) ,-5) ) ,4) ) ,7) ) ,-7) ,4) +transpose(echo(((echo((transpose(step(X,12) ,4) +transpose((shuffle(X) |(transpose(X,-5) |transpose(X,4) ) ) ,12) ) ,4,6) +transpose(shuffle(((((X+transpose(transpose((X|X) ,4) ,12) ) +transpose(transpose((X|X) ,-7) ,4) ) +transpose(X,7) ) +transpose(transpose((transpose(X,-7) +transpose(shuffle(X) ,12) ) ,-5) ,12) ) ) ,7) ) |((echo((echo(X,4,6) +transpose(shuffle(transpose(X,4) ) ,12) ) ,4,6) +transpose(transpose(shuffle(echo(X,4,6) ) ,4) ,-5) ) |transpose(echo(X,4,6) ,-5) ) ) ,4,6) ,4) ) +transpose(((((arpeggio(step(transpose((step(transpose(transpose(X,-7) ,4) ,12) +X) ,-5) ,12) ) +shuffle((transpose(transpose(echo(arpeggio(X) ,4,6) ,4) ,4) |((((X+transpose(transpose(X,4) ,4) ) +transpose(X,7) ) +transpose(transpose(X,-7) ,7) ) +transpose(transpose(transpose(X,-5) ,-7) ,12) ) ) ) ) |arpeggio(transpose(((((X|X) +arpeggio(X) ) +transpose((X+transpose((X+transpose(X,12) ) ,7) ) ,4) ) +transpose((shuffle(X) +X) ,7) ) ,-5) ) ) +transpose((transpose(((echo(echo((step(X,12) |(X+transpose((X+X) ,12) ) ) ,4,6) ,4,6) +transpose(arpeggio(echo(((X+transpose(X,4) ) +transpose(X,7) ) ,4,6) ) ,4) ) +transpose(((arpeggio(X) |((X+transpose((X+transpose(X,12) ) ,4) ) +transpose((X+X) ,7) ) ) |transpose(((X+X) +transpose(transpose((X+X) ,-5) ,7) ) ,-5) ) ,7) ) ,-7) +transpose((arpeggio(((shuffle(arpeggio(X) ) +transpose(((X+transpose(step(X,12) ,12) ) +echo(X,4,6) ) ,4) ) +transpose((X+transpose(transpose(X,4) ,12) ) ,7) ) ) |echo(echo((step(X,12) |echo(X,4,6) ) ,4,6) ,4,6) ) ,7) ) ,4) ) +transpose(arpeggio(shuffle((X+((X+transpose(X,4) ) +transpose(X,7) ) ) ) ) ,7) ) ,7) ) ,4) ) +transpose(arpeggio((transpose((shuffle(transpose((echo(arpeggio(X) ,4,6) +transpose(((((X+transpose((X+X) ,4) ) +transpose(X,7) ) +transpose(transpose(shuffle(X) ,-7) ,4) ) +transpose(transpose(X,4) ,7) ) ,7) ) ,-5) ) +transpose(transpose(transpose(transpose((((X+((X+transpose(X,4) ) +transpose(X,7) ) ) +transpose(X,4) ) +transpose((X+transpose(X,7) ) ,7) ) ,4) ,-7) ,-5) ,12) ) ,-5) +transpose((shuffle(transpose((step(transpose(shuffle(X) ,4) ,12) +transpose(X,7) ) ,-5) ) +((transpose(echo(transpose(shuffle((X+transpose(X,7) ) ) ,-5) ,4,6) ,4) +((transpose((((X+transpose(X,4) ) +transpose(X,7) ) +X) ,-5) |arpeggio(transpose(X,-7) ) ) +transpose(transpose(transpose(transpose(X,-5) ,4) ,-5) ,12) ) ) +transpose(((((transpose((step(X,12) +arpeggio(X) ) ,4) +transpose(transpose(X,-5) ,12) ) +transpose(transpose(((X|X) +transpose(transpose((((X+transpose(X,4) ) +transpose(X,7) ) |transpose(X,-7) ) ,4) ,12) ) ,-7) ,4) ) +transpose((transpose(X,-5) +transpose(transpose((X+transpose(X,12) ) ,-5) ,12) ) ,7) ) |transpose((((arpeggio((X|X) ) +transpose(((transpose(X,-7) +transpose((X+transpose(arpeggio(X) ,12) ) ,4) ) +transpose(((X+transpose(X,7) ) +(X|X) ) ,7) ) ,12) ) +transpose((((X|X) |(X+transpose(X,7) ) ) +transpose(((X+transpose((X|X) ,7) ) +transpose(echo(X,4,6) ,12) ) ,12) ) ,4) ) +transpose(echo(transpose(X,4) ,4,6) ,7) ) ,4) ) ,12) ) ) ,7) ) ) ,7) ) ,12) ,4) ) +transpose((transpose(((transpose((transpose(step(transpose(step(X,12) ,-7) ,12) ,-5) +(transpose(transpose(transpose(X,-7) ,-5) ,4) +(transpose((transpose(X,4) +transpose(X,7) ) ,4) +(arpeggio(X) +(X+transpose(X,12) ) ) ) ) ) ,4) +transpose(arpeggio((transpose((transpose(transpose(arpeggio(X) ,-7) ,-5) +transpose(shuffle((transpose(X,4) +transpose(echo(X,4,6) ,7) ) ) ,-5) ) ,4) +transpose(arpeggio((((echo((X|X) ,4,6) +transpose(transpose(echo((X+transpose(X,12) ) ,4,6) ,4) ,7) ) +transpose(transpose((((X+transpose(X,12) ) +transpose(echo((echo(X,4,6) |(X|X) ) ,4,6) ,4) ) +transpose(((transpose(transpose(X,4) ,-5) +transpose(transpose(X,-5) ,4) ) +transpose(((X+X) +transpose(transpose(X,4) ,7) ) ,7) ) ,7) ) ,-5) ,4) ) +transpose(transpose((echo(X,4,6) +transpose(X,12) ) ,4) ,7) ) ) ,12) ) ) ,4) ) +transpose(((shuffle((((transpose((X+transpose(X,7) ) ,4) +transpose(step(X,12) ,7) ) +transpose((X+X) ,4) ) +transpose((step(X,12) +transpose((X|X) ,7) ) ,7) ) ) +transpose(step(step(transpose((transpose(X,4) |step(X,12) ) ,-7) ,12) ,12) ,12) ) +transpose(transpose(arpeggio(arpeggio(((transpose(shuffle(X) ,4) +echo((X+transpose((X+transpose(X,7) ) ,7) ) ,4,6) ) |(((((X+transpose(X,12) ) +transpose(step(X,12) ,12) ) +transpose((X+transpose(X,7) ) ,4) ) +transpose(transpose(step(X,12) ,-7) ,7) ) |(((X+transpose(X,4) ) +transpose(X,7) ) +transpose((X+transpose(X,7) ) ,7) ) ) ) ) ) ,4) ,12) ) ,7) ) ,-7) |transpose((arpeggio(shuffle(((((transpose((X+transpose(X,12) ) ,-7) |arpeggio(transpose(step(X,12) ,4) ) ) +transpose(((echo((X|(X+X) ) ,4,6) +transpose(transpose(transpose(X,4) ,4) ,4) ) +transpose(((X+transpose(X,7) ) +transpose(X,12) ) ,7) ) ,4) ) +transpose(X,7) ) |echo(arpeggio(transpose(X,4) ) ,4,6) ) ) ) +transpose(transpose(((transpose(arpeggio(X) ,-5) +step((X+transpose(step(X,12) ,7) ) ,12) ) +echo(((((transpose((X+transpose(X,7) ) ,4) |X) +transpose(transpose(transpose(X,-5) ,-7) ,4) ) +transpose(transpose((X+X) ,-7) ,7) ) +transpose(step((X+transpose(X,7) ) ,12) ,4) ) ,4,6) ) ,4) ,7) ) ,-5) ) ,7) ) ,4,6) +transpose(shuffle(transpose((((step(step(transpose(X,-5) ,12) ,12) +transpose(((transpose((X+X) ,4) +transpose(transpose(X,-5) ,7) ) |transpose(transpose(X,-7) ,-7) ) ,12) ) +transpose((((step(transpose(transpose(transpose(X,-7) ,-5) ,-5) ,12) +(transpose((arpeggio(X) +transpose(echo(X,4,6) ,7) ) ,-7) +shuffle(transpose(transpose(X,-7) ,-7) ) ) ) +transpose(((transpose((X+X) ,-5) |((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(X,7) ) +transpose(transpose(X,-7) ,7) ) ) +echo(transpose((X|X) ,-7) ,4,6) ) ,4) ) +transpose(((shuffle(shuffle(X) ) +((echo(X,4,6) +transpose((X+transpose(X,7) ) ,4) ) +transpose(shuffle(X) ,7) ) ) +transpose((transpose(X,-7) +transpose(transpose((X|X) ,4) ,12) ) ,7) ) ,7) ) ,4) ) +transpose(echo(transpose(((X|(X+transpose(X,7) ) ) +arpeggio(transpose(X,-5) ) ) ,-7) ,4,6) ,7) ) ,4) ) ,-7) ) ,4)
random seed used was 0

NOTE: Generated phrase was too large ( 19026 ) , it has been truncated at 5000 notes. EXPR = shuffle(step(transpose((transpose(echo(transpose((transpose(transpose(echo(arpeggio(X) ,4,6) ,-7) ,4) +(transpose((transpose((X|X) ,4) +transpose(transpose((X+(X+X) ) ,-5) ,7) ) ,-7) +transpose((((transpose((X|(X+transpose(X,12) ) ) ,-7) +transpose(transpose(X,-5) ,12) ) +transpose(transpose(((X+transpose(step(X,12) ,4) ) +transpose(((X+transpose(X,12) ) +transpose((X+X) ,7) ) ,12) ) ,4) ,12) ) +transpose(((transpose(step(X,12) ,-7) +transpose(step(X,12) ,12) ) +(transpose(((echo(X,4,6) +transpose(arpeggio(X) ,4) ) +transpose(((X+transpose(X,7) ) |X) ,7) ) ,-7) +transpose((echo((X+transpose(shuffle(X) ,7) ) ,4,6) +transpose((arpeggio((X|X) ) +(X+transpose(X,12) ) ) ,12) ) ,12) ) ) ,12) ) ,12) ) ) ,-5) ,4,6) ,4) +transpose(((transpose(transpose((transpose(transpose(X,4) ,-5) +transpose((X+(X|X) ) ,12) ) ,-5) ,-7) +transpose(((((transpose(X,-7) |transpose(transpose((transpose(X,4) +transpose((X+X) ,12) ) ,-5) ,4) ) |transpose((transpose(transpose((X+transpose(X,7) ) ,-5) ,4) |arpeggio(transpose(X,4) ) ) ,-7) ) +((transpose(((((transpose((X+X) ,-7) +transpose(step(X,12) ,4) ) +transpose(transpose(shuffle(X) ,-5) ,7) ) +transpose((X|transpose(X,4) ) ,4) ) +transpose((X+transpose(X,7) ) ,7) ) ,-7) +transpose((arpeggio(arpeggio((X+X) ) ) +transpose(transpose((transpose((transpose(X,-5) +step(X,12) ) ,-7) +transpose(transpose(X,-7) ,12) ) ,-5) ,12) ) ,7) ) |(((shuffle(transpose(((X+X) |(X+transpose(X,12) ) ) ,4) ) |transpose((transpose(X,-7) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ,-5) ) |echo(step(transpose(X,4) ,12) ,4,6) ) |transpose(((transpose(((X+transpose(transpose(X,-5) ,4) ) +transpose(X,7) ) ,4) |transpose(transpose((transpose(X,-5) +step(X,12) ) ,-7) ,4) ) |(transpose(transpose(X,4) ,-5) +transpose((transpose(transpose(X,4) ,4) |((X+transpose(X,12) ) +transpose(transpose(X,-7) ,12) ) ) ,12) ) ) ,4) ) ) ) |(shuffle((arpeggio((arpeggio((arpeggio(X) +transpose(X,7) ) ) |(transpose(transpose(((X|X) +transpose((X+X) ,12) ) ,-5) ,-5) +transpose(X,-5) ) ) ) |arpeggio(((echo(transpose(X,4) ,4,6) +(X|transpose(X,4) ) ) |arpeggio(((X+transpose(X,4) ) +transpose(X,7) ) ) ) ) ) ) +transpose(echo((transpose(X,-5) +transpose(shuffle(((X+transpose(X,4) ) +transpose(X,7) ) ) ,-5) ) ,4,6) ,-5) ) ) ,12) ) |((echo(step((step(transpose(((X+transpose(transpose(transpose(X,4) ,4) ,7) ) |(X|X) ) ,-5) ,12) |step(shuffle(((transpose(((X+transpose(X,12) ) +transpose((X|X) ,12) ) ,-5) +transpose(transpose((((X+X) +transpose(X,4) ) +transpose((X+transpose(X,7) ) ,7) ) ,-5) ,4) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ) ,12) ) ,12) ,4,6) +transpose(((transpose((step((transpose((X+transpose(X,7) ) ,4) |X) ,12) +transpose(transpose((transpose(transpose(X,-5) ,-7) +transpose(((((X+transpose(X,4) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) +transpose(X,7) ) +transpose(X,7) ) ,7) ) ,4) ,7) ) ,4) +transpose(transpose(transpose(arpeggio(((X+X) |transpose(transpose(step(X,12) ,4) ,-5) ) ) ,-5) ,-5) ,4) ) +transpose(((transpose(transpose(arpeggio(transpose(X,4) ) ,4) ,-5) +transpose(transpose((transpose(X,-7) +transpose(shuffle(step(X,12) ) ,12) ) ,-7) ,7) ) |transpose(shuffle(((arpeggio(X) +transpose((echo(transpose(X,4) ,4,6) +echo((X+X) ,4,6) ) ,4) ) +transpose(echo(((X+transpose(X,12) ) +transpose(transpose(X,-7) ,7) ) ,4,6) ,7) ) ) ,4) ) ,7) ) ,4) ) +transpose(((((((echo(transpose(echo(transpose(transpose(X,-5) ,4) ,4,6) ,-7) ,4,6) +transpose(echo(((((X+transpose(arpeggio(X) ,4) ) +transpose((X|X) ,7) ) +transpose((step(X,12) |step(X,12) ) ,4) ) +transpose(shuffle((X+transpose(X,12) ) ) ,7) ) ,4,6) ,7) ) +transpose(transpose((transpose((step(transpose(X,4) ,12) |transpose(transpose(X,4) ,4) ) ,4) |X) ,-5) ,4) ) +transpose(((transpose((transpose((transpose(X,4) |(X+transpose(X,12) ) ) ,-5) +transpose((((X+transpose(X,7) ) |X) |arpeggio((X+transpose(X,12) ) ) ) ,7) ) ,4) +transpose(((((X+transpose(X,7) ) +transpose(X,7) ) +arpeggio(step(X,12) ) ) |shuffle(transpose(X,4) ) ) ,4) ) +transpose(transpose(((step(X,12) +transpose(transpose(X,-7) ,4) ) +transpose(shuffle(shuffle((X+transpose(X,12) ) ) ) ,7) ) ,-5) ,7) ) ,7) ) +arpeggio(transpose((((X+X) +arpeggio(X) ) +(X+((X+transpose(transpose(X,-5) ,4) ) +transpose(arpeggio(X) ,7) ) ) ) ,4) ) ) +(((transpose(transpose(transpose(((X+transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) |echo(transpose(X,4) ,4,6) ) ,4) ,4) ,-5) +transpose(arpeggio((arpeggio(((transpose(arpeggio(X) ,-7) +transpose(transpose(transpose(X,-7) ,-7) ,4) ) +transpose(transpose(X,-7) ,7) ) ) +transpose(transpose(transpose((X+X) ,4) ,4) ,12) ) ) ,12) ) |((((transpose((X+X) ,-7) +transpose(echo(X,4,6) ,12) ) +((arpeggio(X) |(X+X) ) +((X+transpose(X,12) ) |X) ) ) |((arpeggio(X) |((X|X) +X) ) +transpose(((X+X) +transpose(X,12) ) ,12) ) ) |shuffle((transpose(X,-5) +transpose(transpose(X,4) ,12) ) ) ) ) +transpose(echo((((step((transpose(X,-7) |((X+transpose(X,4) ) +transpose(X,7) ) ) ,12) +transpose(transpose(arpeggio(X) ,-5) ,7) ) +transpose(X,12) ) +transpose(step(X,12) ,4) ) ,4,6) ,-7) ) ) +transpose(transpose((((transpose(echo(echo((transpose(X,-5) |transpose(X,-7) ) ,4,6) ,4,6) ,4) +transpose(echo(transpose((((echo(X,4,6) +transpose((X|X) ,12) ) +transpose((X|(X+transpose(X,12) ) ) ,7) ) +transpose((transpose((X+X) ,-7) +transpose(echo(echo(X,4,6) ,4,6) ,12) ) ,12) ) ,-7) ,4,6) ,12) ) +transpose(echo(transpose((X+transpose(transpose(transpose(X,4) ,4) ,12) ) ,-7) ,4,6) ,7) ) +transpose(echo(transpose(arpeggio((step(X,12) +transpose(echo(X,4,6) ,12) ) ) ,-5) ,4,6) ,-7) ) ,-5) ,7) ) ,7) ) ) ,7) ) ,4) ,12) )
random seed used was 0


The algorithm for Expresso is written in KeyKit, and here's the source code.