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 18 generations the expression "X" became this:
transpose(((transpose((echo((arpeggio(echo((((X|(X+transpose(X,12) ) ) +(X|X) ) |transpose(shuffle(transpose(transpose(echo(X,4,6) ,-5) ,-5) ) ,-7) ) ,4,6) ) +transpose((((((((transpose(X,-7) +transpose(((X+X) +transpose(X,12) ) ,7) ) +transpose(transpose((X+transpose(X,4) ) ,4) ,7) ) +transpose(transpose(((X+X) +transpose(echo(X,4,6) ,12) ) ,4) ,4) ) +transpose((((transpose(X,-5) +transpose(X,4) ) +transpose((transpose(X,4) +echo(X,4,6) ) ,4) ) +transpose((((X+transpose(transpose(X,-7) ,7) ) +transpose(transpose(X,-7) ,-5) ) +transpose(transpose(((X+transpose((X|X) ,4) ) +transpose(X,7) ) ,-5) ,7) ) ,7) ) ,7) ) |transpose((step(echo(X,4,6) ,12) |((X+transpose(X,7) ) |(transpose(X,4) +transpose(X,12) ) ) ) ,-5) ) +transpose((transpose(transpose((transpose((X|X) ,-7) +transpose((X+transpose(X,7) ) ,7) ) ,4) ,-5) +transpose((((echo((step(X,12) +transpose(transpose(X,-5) ,7) ) ,4,6) +transpose(((X+X) +(X|X) ) ,4) ) +transpose((X+transpose((X|X) ,12) ) ,7) ) +transpose(arpeggio(transpose((X|X) ,-5) ) ,-5) ) ,7) ) ,4) ) +transpose(((step(X,12) |(((X+X) +transpose(X,7) ) |transpose(X,4) ) ) |(echo(echo(X,4,6) ,4,6) +arpeggio(transpose(echo(echo(X,4,6) ,4,6) ,4) ) ) ) ,7) ) ,7) ) ,4,6) |(((((echo(transpose((((shuffle(shuffle(echo(X,4,6) ) ) +transpose(transpose((transpose(X,4) +transpose(transpose(X,-5) ,7) ) ,-5) ,12) ) +transpose((((transpose(echo((X+transpose(X,12) ) ,4,6) ,-7) +transpose(shuffle(X) ,7) ) +transpose(transpose(((X+X) +transpose(X,12) ) ,-5) ,4) ) +transpose(((X|X) +(transpose(X,4) +transpose(shuffle(X) ,7) ) ) ,7) ) ,4) ) +transpose(shuffle(transpose(transpose(X,4) ,4) ) ,7) ) ,4) ,4,6) +transpose((transpose((((arpeggio(transpose(step(X,12) ,4) ) |((transpose((X|X) ,4) +transpose(arpeggio(X) ,4) ) +transpose((X|((X+transpose(X,4) ) +transpose(X,7) ) ) ,7) ) ) +transpose(arpeggio(shuffle(transpose(X,-7) ) ) ,12) ) +transpose(transpose(((step(transpose(X,-5) ,12) +transpose(transpose(shuffle(X) ,4) ,12) ) +transpose((X+(X+transpose(X,12) ) ) ,7) ) ,-5) ,12) ) ,-7) |transpose(((transpose(arpeggio(step((transpose(X,4) |transpose(X,-5) ) ,12) ) ,4) |echo(((X+transpose(X,12) ) +transpose(transpose(echo(X,4,6) ,-7) ,7) ) ,4,6) ) +arpeggio(transpose(transpose((X|X) ,-7) ,-7) ) ) ,-5) ) ,12) ) +transpose((shuffle(arpeggio(step(X,12) ) ) +(transpose((((transpose(echo(X,4,6) ,4) +transpose((X+X) ,12) ) +transpose((arpeggio((X|X) ) +(step(X,12) |echo(X,4,6) ) ) ,4) ) +transpose(transpose(transpose((X+X) ,4) ,-5) ,7) ) ,-7) +transpose(shuffle(arpeggio(transpose(echo((transpose(X,-5) |(X+X) ) ,4,6) ,4) ) ) ,7) ) ) ,4) ) +transpose((((shuffle(transpose(transpose((transpose(step(X,12) ,-5) |arpeggio(arpeggio(X) ) ) ,-7) ,-7) ) +transpose(transpose(transpose((shuffle(((X|X) +transpose(X,-5) ) ) +transpose(X,-7) ) ,-5) ,4) ,12) ) +transpose(shuffle(transpose(shuffle(((step(X,12) |transpose(X,-5) ) +transpose(transpose(X,4) ,-5) ) ) ,4) ) ,7) ) |shuffle((((transpose(transpose(X,-5) ,-7) +transpose((echo(arpeggio((X+X) ) ,4,6) +((echo(X,4,6) +transpose((X+transpose(X,7) ) ,4) ) +transpose((X+transpose(X,7) ) ,7) ) ) ,7) ) +transpose(echo(transpose((X+(X+transpose(X,7) ) ) ,4) ,4,6) ,4) ) +transpose(transpose(echo((transpose((X+X) ,4) +transpose(step(echo(X,4,6) ,12) ,12) ) ,4,6) ,4) ,7) ) ) ) ,7) ) +transpose(transpose(transpose(transpose((echo((transpose(transpose(X,4) ,-5) +(transpose(transpose(transpose(X,-7) ,4) ,-5) +(transpose(X,-7) |transpose(arpeggio(X) ,4) ) ) ) ,4,6) +transpose(arpeggio(transpose((X+shuffle(X) ) ,-7) ) ,7) ) ,4) ,4) ,4) ,4) ) +transpose(transpose(transpose((transpose(shuffle(transpose(echo(shuffle(X) ,4,6) ,-7) ) ,4) |((((X+X) |X) +transpose(step(transpose(((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(X,4) ) +transpose(X,7) ) ,-5) ,12) ,12) ) +transpose((transpose(transpose(X,-7) ,-5) |(X+shuffle(echo(X,4,6) ) ) ) ,12) ) ) ,-5) ,4) ,7) ) ) ,-7) +transpose(((step(arpeggio(step(transpose(transpose(arpeggio(shuffle(((X+transpose((X|X) ,4) ) +transpose((X+transpose(X,12) ) ,7) ) ) ) ,4) ,-7) ,12) ) ,12) |(((step((((shuffle((X+X) ) |(transpose(X,4) +transpose(transpose(transpose(X,-5) ,-5) ,7) ) ) +step(X,12) ) +transpose(transpose(((((X|X) +transpose(arpeggio(X) ,4) ) +transpose(X,7) ) +X) ,-5) ,7) ) ,12) |(transpose(transpose((X+X) ,4) ,4) +transpose((((echo(X,4,6) +transpose(shuffle(X) ,7) ) +transpose(transpose(X,-5) ,12) ) |((transpose(X,-7) |X) +transpose(shuffle(X) ,4) ) ) ,7) ) ) +transpose(step(transpose(transpose(((X+(X|X) ) +transpose(transpose(step(X,12) ,4) ,4) ) ,4) ,-7) ,12) ,-7) ) +transpose((shuffle(step((arpeggio(arpeggio(X) ) +transpose(transpose(transpose(arpeggio((transpose(X,-5) +transpose((arpeggio(X) +transpose(X,7) ) ,-7) ) ) ,-7) ,4) ,12) ) ,12) ) +transpose(transpose(((((arpeggio(transpose((X|X) ,-7) ) +transpose((X|X) ,-5) ) +transpose(((((X+transpose(X,4) ) +transpose(X,7) ) |(X+transpose(X,7) ) ) |X) ,7) ) +transpose((transpose(transpose(X,4) ,-5) |(transpose(X,4) |shuffle(transpose(X,-7) ) ) ) ,4) ) +transpose((((X+X) |(X+transpose(X,12) ) ) +transpose(shuffle((transpose((X+X) ,4) +((X+transpose(X,7) ) +X) ) ) ,7) ) ,7) ) ,-7) ,4) ) ,12) ) ) +transpose(((((step((transpose(((X|transpose(X,4) ) |(((X+transpose(X,4) ) +transpose(X,7) ) +echo(X,4,6) ) ) ,4) +(transpose(((transpose(X,-7) +transpose((X+X) ,4) ) +transpose(transpose(X,-5) ,7) ) ,-7) +transpose(echo(shuffle(X) ,4,6) ,7) ) ) ,12) +transpose(((((transpose((X|((X+transpose(X,4) ) +transpose(X,7) ) ) ,-7) +transpose(transpose(X,4) ,-5) ) +transpose(echo(arpeggio(X) ,4,6) ,12) ) +step((X|X) ,12) ) |arpeggio(transpose(X,-5) ) ) ,4) ) +transpose(((echo(X,4,6) +transpose(X,-5) ) +((X|X) |step(X,12) ) ) ,7) ) +transpose((step((step(transpose(step((X+X) ,12) ,-7) ,12) +(transpose(transpose((X+X) ,4) ,4) +transpose(((((X+transpose(step(arpeggio(X) ,12) ,4) ) +transpose(transpose((X|X) ,-7) ,7) ) |transpose(transpose(X,-7) ,-7) ) +((echo((X|X) ,4,6) +(X+transpose(X,7) ) ) |((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(arpeggio((X|X) ) ,4) ) +transpose(echo(transpose(X,-5) ,4,6) ,7) ) ) ) ,12) ) ) ,12) |transpose(shuffle(step(((((X+transpose(X,4) ) +transpose(echo(X,4,6) ,7) ) +transpose(transpose(step(X,12) ,4) ,12) ) +(((X|X) |transpose(X,-7) ) |transpose(X,4) ) ) ,12) ) ,-7) ) ,4) ) +transpose((transpose(arpeggio(transpose(transpose(transpose(X,-7) ,4) ,-7) ) ,4) +((transpose(transpose(((((transpose(transpose(((X+transpose(X,7) ) +transpose(X,7) ) ,4) ,4) +transpose(((transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) +transpose(X,4) ) +transpose(shuffle(((X+transpose(X,7) ) +transpose(arpeggio(X) ,7) ) ) ,7) ) ,4) ) +transpose(((transpose(X,4) +transpose(transpose(shuffle(X) ,-5) ,-5) ) +transpose(shuffle(transpose(transpose(step(X,12) ,-7) ,-5) ) ,7) ) ,7) ) +transpose(step(arpeggio(((transpose(transpose(X,4) ,-7) +transpose(echo(X,4,6) ,4) ) +transpose(X,7) ) ) ,12) ,4) ) +transpose((transpose(X,-5) +transpose(transpose(step((shuffle(X) +(((X|X) +transpose(X,4) ) +transpose(X,7) ) ) ,12) ,-7) ,7) ) ,7) ) ,-7) ,-7) +transpose(transpose(((arpeggio(arpeggio(X) ) +echo(echo(echo(X,4,6) ,4,6) ,4,6) ) +transpose((transpose(step((X|X) ,12) ,-5) +transpose(((transpose(X,4) +transpose(echo((X+transpose(X,12) ) ,4,6) ,7) ) +arpeggio((((X+transpose(X,4) ) +transpose(X,7) ) |(X+transpose(X,7) ) ) ) ) ,12) ) ,7) ) ,-7) ,4) ) +transpose((((((X|X) +transpose((X+(X+transpose(X,7) ) ) ,7) ) +transpose((transpose(X,-5) +transpose(((echo(X,4,6) +transpose(arpeggio(transpose(X,-5) ) ,4) ) +transpose(transpose(step(X,12) ,4) ,7) ) ,7) ) ,12) ) +transpose((step(shuffle((X+(X+X) ) ) ,12) +transpose((transpose(X,-7) +X) ,7) ) ,4) ) +transpose(((echo((X+X) ,4,6) |(X+transpose(X,12) ) ) |echo(transpose((((X+X) +transpose(X,4) ) +transpose(transpose(X,-5) ,7) ) ,4) ,4,6) ) ,7) ) ,7) ) ) ,7) ) ,7) ) ,4) ) +transpose(((transpose(shuffle(transpose(((transpose(transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ,4) +transpose(transpose((shuffle(((X+transpose(X,7) ) +transpose((X+transpose(X,12) ) ,12) ) ) +transpose(arpeggio((transpose((transpose(X,-7) +(X+transpose(X,12) ) ) ,-7) +((((X+X) +((X+transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ) +transpose(echo(X,4,6) ,7) ) ) +transpose(transpose((X+transpose((X+transpose(X,12) ) ,7) ) ,4) ,4) ) +transpose((echo(X,4,6) +transpose(((X+X) +transpose((X+transpose(X,7) ) ,7) ) ,7) ) ,7) ) ) ) ,12) ) ,-5) ,4) ) +transpose(transpose((shuffle(X) |(transpose(X,-5) |X) ) ,-7) ,7) ) ,4) ) ,-7) +transpose((((transpose(((transpose(shuffle(transpose(X,-5) ) ,-5) +shuffle(step(X,12) ) ) |(transpose(arpeggio(transpose(X,-5) ) ,4) +shuffle((echo(X,4,6) |X) ) ) ) ,-7) +transpose((transpose((transpose(((X+X) |X) ,-7) |(transpose(X,-7) |(X+X) ) ) ,-5) +transpose(((transpose(transpose(transpose(X,4) ,-5) ,-7) +(transpose(transpose(X,-7) ,4) |transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) ) ) +step((arpeggio(transpose(X,4) ) +transpose((echo(X,4,6) +arpeggio(X) ) ,12) ) ,12) ) ,12) ) ,4) ) +transpose(((arpeggio(transpose((shuffle(((X+transpose(X,4) ) +transpose(X,7) ) ) +transpose(((((X+transpose(X,4) ) +transpose(X,7) ) |(X+transpose(X,12) ) ) +transpose((shuffle(X) +transpose(transpose(X,-5) ,12) ) ,7) ) ,7) ) ,4) ) +transpose(((transpose((((echo(X,4,6) +transpose(X,4) ) +transpose((shuffle((X+transpose(X,7) ) ) +arpeggio(shuffle(X) ) ) ,7) ) +transpose(arpeggio((X+transpose(X,12) ) ) ,7) ) ,-5) +transpose((transpose(transpose(X,-5) ,-5) +shuffle(((X+X) +transpose(transpose(X,-5) ,12) ) ) ) ,4) ) +transpose(arpeggio(((transpose(X,4) |transpose(X,4) ) +(arpeggio(X) +transpose(((echo(X,4,6) +transpose(X,4) ) +transpose(X,7) ) ,12) ) ) ) ,12) ) ,12) ) +transpose(((((((((X+transpose(X,12) ) +transpose(echo(X,4,6) ,12) ) +transpose(transpose(X,4) ,4) ) +transpose(transpose((X|X) ,-7) ,7) ) |transpose(transpose(X,4) ,-5) ) +transpose(transpose(transpose(arpeggio(X) ,-7) ,-7) ,4) ) +transpose(((X+X) +transpose(((X+transpose(arpeggio(X) ,4) ) +transpose((X+transpose(X,7) ) ,7) ) ,7) ) ,7) ) +transpose(transpose((X|echo(X,4,6) ) ,-7) ,12) ) ,12) ) ,7) ) +transpose(transpose(transpose(shuffle((X+transpose((X|X) ,12) ) ) ,-5) ,4) ,7) ) ,4) ) +transpose(transpose(step(((shuffle(transpose(X,4) ) +transpose(transpose(transpose(echo(((X+transpose(X,4) ) +transpose(X,7) ) ,4,6) ,-5) ,-7) ,4) ) |transpose(shuffle(arpeggio(((X+transpose(X,4) ) +transpose(X,7) ) ) ) ,4) ) ,12) ,-7) ,7) ) ,7) ) ,-7)
random seed used was 211

NOTE: Generated phrase was too large ( 6672 ) , it has been truncated at 5000 notes. EXPR = (transpose(((transpose((echo((transpose(echo(((X|X) +step(X,12) ) ,4,6) ,4) +transpose(transpose((X+transpose(X,12) ) ,-5) ,-7) ) ,4,6) |transpose((((step(echo((X|(X+X) ) ,4,6) ,12) +transpose(transpose(arpeggio(((X|((X+transpose(X,4) ) +transpose(X,7) ) ) +transpose(X,12) ) ) ,4) ,7) ) +transpose(transpose(shuffle(echo((shuffle(transpose((X+X) ,-7) ) +transpose(transpose(shuffle(X) ,4) ,12) ) ,4,6) ) ,4) ,12) ) +transpose(transpose(((echo(shuffle(X) ,4,6) +transpose(((X+transpose(((X+transpose(X,7) ) |transpose((X+transpose(X,12) ) ,-5) ) ,4) ) +transpose((X+X) ,7) ) ,4) ) +transpose((((((X|X) |X) +transpose(arpeggio(X) ,12) ) +transpose(((shuffle(X) +transpose(X,7) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ,4) ) +transpose(((X|X) |X) ,7) ) ,7) ) ,-5) ,12) ) ,-5) ) ,4) +(((transpose(((((shuffle(transpose(X,4) ) |(transpose((transpose((transpose(transpose(X,-7) ,4) +transpose(transpose(X,-5) ,-7) ) ,4) +transpose(transpose(transpose((transpose(X,4) |(X|X) ) ,-7) ,-7) ,7) ) ,-5) +transpose(transpose((X|arpeggio(X) ) ,-7) ,7) ) ) +transpose((shuffle(echo((step((X|X) ,12) |(X+X) ) ,4,6) ) +(transpose(echo(X,4,6) ,4) +transpose((shuffle(((X+X) +((X+transpose(X,4) ) +transpose(X,7) ) ) ) +transpose((X+transpose(X,7) ) ,12) ) ,12) ) ) ,4) ) +transpose(transpose((step(((step((transpose(X,4) |transpose(X,-7) ) ,12) +transpose(transpose(transpose(X,4) ,-5) ,4) ) +transpose(transpose((X+X) ,-7) ,7) ) ,12) +transpose((transpose((X+X) ,-7) +transpose(transpose(transpose(transpose(X,4) ,-5) ,-5) ,12) ) ,12) ) ,4) ,7) ) |((X|transpose((X|X) ,-7) ) +(transpose(shuffle(transpose(transpose(X,4) ,-5) ) ,-5) +transpose((arpeggio((X+transpose(X,12) ) ) |arpeggio((X|X) ) ) ,12) ) ) ) ,4) +transpose(transpose(transpose((transpose(echo((transpose(X,-7) +transpose((X+X) ,12) ) ,4,6) ,-5) +(transpose(((X+transpose(X,12) ) +transpose(transpose((X+transpose(X,12) ) ,-7) ,7) ) ,4) |echo((transpose(transpose(X,4) ,-5) +transpose(transpose(X,4) ,12) ) ,4,6) ) ) ,4) ,-5) ,4) ) +transpose(shuffle((((transpose(transpose(X,4) ,-7) +step(X,12) ) |(echo(X,4,6) +arpeggio(X) ) ) |(transpose(X,-5) +transpose(shuffle(transpose(step(X,12) ,-7) ) ,7) ) ) ) ,7) ) |((((transpose(((((X+transpose(X,4) ) +transpose(X,7) ) +(transpose(X,-5) +transpose(X,12) ) ) +transpose((X+X) ,7) ) ,-7) +transpose(shuffle(X) ,7) ) +transpose((((((echo(X,4,6) +transpose((X+X) ,12) ) +transpose(transpose(X,-5) ,-5) ) +(((X+transpose(X,12) ) +transpose(transpose(X,-7) ,7) ) +transpose(transpose((X+transpose(X,7) ) ,4) ,7) ) ) +transpose((transpose((X|X) ,4) |arpeggio(arpeggio(X) ) ) ,4) ) +transpose(step(transpose(X,-7) ,12) ,7) ) ,12) ) +transpose(transpose(transpose(X,-5) ,-7) ,-5) ) +((transpose(((transpose(transpose(transpose(X,-7) ,4) ,-5) +transpose((arpeggio(X) |(transpose(X,-5) |(X+transpose(X,7) ) ) ) ,4) ) +transpose(transpose(transpose(X,-5) ,-5) ,7) ) ,-5) +transpose(transpose(((shuffle(transpose(transpose(X,-5) ,-5) ) +transpose((arpeggio(transpose(step(X,12) ,-7) ) |transpose(transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-7) ,4) ) ,7) ) +transpose(transpose(((shuffle(shuffle(echo((X+transpose(X,12) ) ,4,6) ) ) |shuffle(((transpose(X,4) +transpose(transpose(X,-5) ,12) ) +transpose(transpose(shuffle(X) ,-5) ,7) ) ) ) |(echo(X,4,6) +X) ) ,-7) ,12) ) ,-7) ,4) ) +transpose(echo(transpose(echo(echo(transpose(transpose(transpose(echo(X,4,6) ,4) ,-7) ,-5) ,4,6) ,4,6) ,4) ,4,6) ,7) ) ) ) ) +transpose((step((step(transpose(((((((arpeggio(echo(X,4,6) ) +transpose((X+(X+X) ) ,12) ) +transpose(transpose((X+transpose(echo(X,4,6) ,7) ) ,4) ,4) ) +transpose(transpose((transpose(X,-7) +transpose(transpose((X+X) ,-5) ,12) ) ,-7) ,7) ) |transpose(transpose((X+(X+X) ) ,-5) ,4) ) +(transpose((((X+transpose(X,7) ) +transpose(((X+transpose(X,4) ) +transpose((X+transpose(X,7) ) ,7) ) ,4) ) +transpose(transpose(X,-7) ,7) ) ,4) |transpose(((transpose(X,-5) +transpose(transpose(X,-5) ,4) ) +transpose(((X|X) +echo(X,4,6) ) ,7) ) ,-7) ) ) +transpose(step(((transpose(X,4) +transpose((X|X) ,4) ) +transpose((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(X,4) ) ,7) ) ,12) ,7) ) ,-5) ,12) +transpose(((transpose(transpose((step((transpose(X,4) +transpose(step(X,12) ,12) ) ,12) +transpose(transpose(step(X,12) ,-7) ,12) ) ,-5) ,4) +transpose(step(transpose(((X|X) +shuffle(transpose(X,-5) ) ) ,-5) ,12) ,7) ) +arpeggio((transpose((transpose(echo(X,4,6) ,-5) |(X|shuffle((X+transpose(X,7) ) ) ) ) ,4) +transpose(X,7) ) ) ) ,7) ) ,12) +transpose((transpose((((((transpose(transpose(transpose(X,4) ,-7) ,4) +transpose((transpose(X,4) +(X+transpose(X,12) ) ) ,4) ) +transpose((transpose(transpose((X+transpose(X,12) ) ,-5) ,-5) |shuffle(transpose(X,-7) ) ) ,7) ) +transpose(((((X|transpose(X,-7) ) +transpose(transpose(X,-7) ,4) ) +transpose((transpose(X,-5) +transpose(transpose(X,4) ,12) ) ,7) ) +transpose(transpose((X|step(X,12) ) ,-7) ,12) ) ,12) ) +transpose(((((X+(X+X) ) +transpose((X+transpose(((X|X) +step(X,12) ) ,12) ) ,12) ) +transpose((((transpose(shuffle(X) ,4) +(X|shuffle(X) ) ) +transpose(transpose(step(X,12) ,4) ,7) ) |((echo(step(X,12) ,4,6) +transpose(transpose(arpeggio(step(X,12) ) ,-7) ,4) ) +transpose((X+(X+transpose(echo(X,4,6) ,12) ) ) ,7) ) ) ,12) ) +((X+transpose(X,7) ) |transpose(((X+X) +transpose(((((X+transpose(X,4) ) +transpose(X,7) ) +transpose(X,4) ) +transpose(X,7) ) ,7) ) ,-7) ) ) ,4) ) +transpose(((transpose(transpose(X,4) ,-5) +transpose(shuffle((shuffle(X) +((X+X) |(X+transpose(X,12) ) ) ) ) ,7) ) |((echo(transpose(step(X,12) ,-7) ,4,6) +(arpeggio(arpeggio(X) ) |X) ) +transpose(transpose(step((echo((X+transpose(X,7) ) ,4,6) |X) ,12) ,-7) ,12) ) ) ,7) ) ,-5) +step(echo(step(transpose(transpose((shuffle((X+transpose(X,7) ) ) +((transpose(X,-7) +transpose(shuffle(X) ,4) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ) ,-5) ,-5) ,12) ,4,6) ,12) ) ,12) ) ,12) ) ,4) +(echo((step(arpeggio(transpose((X+transpose(transpose(step(X,12) ,-5) ,7) ) ,-7) ) ,12) +transpose(transpose(((((step(transpose((X+(transpose(X,-7) +transpose((X|X) ,7) ) ) ,4) ,12) +transpose(((X+transpose((X|X) ,12) ) |transpose((transpose(X,4) +(X|X) ) ,4) ) ,12) ) +transpose(((transpose(transpose(echo(X,4,6) ,-5) ,-7) +transpose(((transpose(transpose(X,4) ,-5) +transpose(((X+transpose(((X+transpose(X,4) ) +transpose((X+transpose(X,12) ) ,7) ) ,4) ) +transpose((X|X) ,7) ) ,4) ) +transpose((((X+transpose((X+X) ,12) ) +X) +transpose(echo(transpose(X,4) ,4,6) ,12) ) ,7) ) ,4) ) +transpose(shuffle(transpose(transpose(X,-5) ,-5) ) ,7) ) ,12) ) +transpose(arpeggio(((((step(X,12) +transpose((X+X) ,4) ) +transpose(X,7) ) +((X+transpose(X,4) ) +transpose((X|X) ,7) ) ) +transpose(step(X,12) ,-7) ) ) ,12) ) |((echo(transpose(step(step(((X+X) |transpose(X,-7) ) ,12) ,12) ,4) ,4,6) +transpose(transpose(transpose(transpose(X,-5) ,4) ,-7) ,4) ) +transpose(((X+transpose(X,7) ) +transpose((((step(X,12) +transpose(transpose(X,4) ,4) ) +transpose(arpeggio(X) ,7) ) +(transpose(X,4) +transpose(transpose(X,-7) ,7) ) ) ,7) ) ,7) ) ) ,-5) ,12) ) ,4,6) +transpose((shuffle(((transpose(transpose(transpose(transpose(((echo(transpose(transpose(transpose((X|X) ,-5) ,-7) ,4) ,4,6) +transpose(arpeggio((shuffle(step(X,12) ) +transpose((transpose(shuffle(X) ,4) |X) ,12) ) ) ,12) ) |arpeggio(shuffle((shuffle(echo(X,4,6) ) |step(echo(X,4,6) ,12) ) ) ) ) ,-5) ,4) ,-5) ,4) +transpose(transpose((transpose(((transpose(((echo((X+transpose(X,12) ) ,4,6) +transpose(((X|X) |transpose(X,-5) ) ,4) ) +transpose(echo(X,4,6) ,7) ) ,-5) +step((transpose((X|X) ,-5) +transpose(transpose(X,-5) ,4) ) ,12) ) +transpose((((transpose(X,-7) +(X+X) ) |(X+transpose((X|X) ,7) ) ) |(transpose(X,-7) +transpose(transpose(X,-7) ,7) ) ) ,12) ) ,4) +arpeggio(arpeggio((transpose((X|X) ,4) |step((step(transpose(transpose(X,-5) ,-7) ,12) +transpose(transpose((transpose(X,4) |(X|echo(X,4,6) ) ) ,-5) ,12) ) ,12) ) ) ) ) ,4) ,4) ) +transpose(((transpose((((((arpeggio((echo((((X+transpose(X,4) ) +transpose(X,7) ) |(X|X) ) ,4,6) +step(step(((X+X) |shuffle(X) ) ,12) ,12) ) ) +transpose(transpose((((transpose(echo(X,4,6) ,4) |echo((X+X) ,4,6) ) +transpose(transpose(echo(transpose(X,4) ,4,6) ,4) ,4) ) +transpose((X|transpose(X,4) ) ,7) ) ,-7) ,12) ) +transpose((transpose(shuffle(transpose(X,-7) ) ,-5) +(transpose(shuffle(step(transpose(transpose(X,-7) ,-7) ,12) ) ,-5) +transpose((X+X) ,4) ) ) ,4) ) +transpose(step(transpose(transpose((transpose(X,-5) +transpose((((X+transpose(X,4) ) +transpose(X,7) ) +transpose((X+transpose(X,12) ) ,12) ) ,12) ) ,-7) ,4) ,12) ,7) ) +transpose(echo(transpose(transpose((transpose(X,-5) +transpose(shuffle(transpose(X,4) ) ,7) ) ,-5) ,4) ,4,6) ,4) ) +transpose((step(shuffle((transpose(transpose(transpose(X,-5) ,-7) ,-5) +arpeggio(step(step(X,12) ,12) ) ) ) ,12) +transpose(echo(shuffle(transpose((transpose(transpose(X,4) ,-5) +transpose(arpeggio(transpose(X,-7) ) ,7) ) ,4) ) ,4,6) ,-7) ) ,7) ) ,-7) +(((transpose(shuffle(echo((transpose((transpose(X,4) +transpose(X,4) ) ,-7) +transpose((X+X) ,12) ) ,4,6) ) ,-7) |shuffle(step(transpose(transpose(X,-5) ,-5) ,12) ) ) +transpose((transpose(transpose(((((X+transpose(X,12) ) |X) +(transpose(X,-5) +echo(X,4,6) ) ) |transpose(echo(X,4,6) ,-5) ) ,-7) ,-5) +arpeggio(echo(((echo(arpeggio(transpose(X,-7) ) ,4,6) +transpose(transpose((shuffle(X) |transpose(X,-7) ) ,-5) ,4) ) +transpose(arpeggio((X+X) ) ,7) ) ,4,6) ) ) ,4) ) +transpose(((((transpose((((X|X) +transpose(transpose(X,4) ,4) ) +transpose(X,7) ) ,-7) +(arpeggio(X) +echo((X|X) ,4,6) ) ) +transpose(step(transpose(X,-5) ,12) ,12) ) +(arpeggio((echo(X,4,6) +(X+transpose(X,12) ) ) ) +((((X+X) +transpose((transpose(X,4) +(X+transpose(X,7) ) ) ,4) ) +transpose((X+shuffle(X) ) ,7) ) +transpose(X,7) ) ) ) |(step((transpose(X,4) |((X+transpose(X,7) ) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,12) ) ) ,12) |arpeggio((step(transpose(transpose(X,4) ,-5) ,12) |(transpose((X+transpose(X,7) ) ,4) +(transpose(X,-7) +transpose(step(X,12) ,7) ) ) ) ) ) ) ,7) ) ) +echo(transpose(arpeggio(echo(transpose(((transpose(transpose(transpose(X,-5) ,-7) ,4) +((transpose((X+transpose(X,7) ) ,-5) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) ) +transpose(((transpose(X,4) +transpose(X,12) ) |(X+transpose(X,7) ) ) ,7) ) ) +transpose(transpose((((X|X) +transpose((X+transpose(X,7) ) ,12) ) |X) ,4) ,12) ) ,4) ,4,6) ) ,4) ,4,6) ) ,7) ) ) +((echo(((transpose((((X+transpose(X,7) ) +X) +((X+transpose(X,7) ) +transpose(X,-5) ) ) ,-7) +transpose(step(step(X,12) ,12) ,-5) ) |((transpose(transpose((((transpose(transpose(X,4) ,-5) +transpose(transpose(echo(X,4,6) ,-5) ,4) ) +transpose(shuffle(transpose((shuffle(X) |(X+transpose(X,12) ) ) ,4) ) ,7) ) +transpose(transpose((X+transpose(X,7) ) ,4) ,-5) ) ,4) ,-5) +transpose((transpose((step(transpose(shuffle(X) ,-7) ,12) |echo(transpose(transpose(X,-7) ,4) ,4,6) ) ,-7) |transpose(((transpose(shuffle(X) ,-5) +transpose(((echo(X,4,6) +X) +transpose(step(X,12) ,12) ) ,12) ) +transpose((((X+X) |echo(step(X,12) ,4,6) ) +X) ,4) ) ,4) ) ,4) ) +transpose(transpose(((transpose(transpose(X,-5) ,4) +transpose(((X+X) +transpose((X|X) ,7) ) ,4) ) +transpose(step((X+transpose(X,12) ) ,12) ,7) ) ,4) ,7) ) ) ,4,6) +(transpose((((((transpose(shuffle(X) ,4) +transpose((transpose(X,4) +transpose(X,-5) ) ,4) ) +transpose(((transpose(X,4) +transpose(((X+X) +(X+X) ) ,4) ) +transpose(transpose(X,4) ,7) ) ,7) ) +transpose(((transpose(X,-5) +transpose(transpose(X,-5) ,12) ) +(transpose(X,4) |X) ) ,7) ) +transpose(echo(transpose(transpose(((transpose(X,-5) +transpose((X|X) ,4) ) +transpose(X,7) ) ,-5) ,4) ,4,6) ,7) ) +(((shuffle(X) +transpose(arpeggio(((((step(X,12) +transpose(transpose(X,-7) ,12) ) +transpose((X+transpose(X,-5) ) ,4) ) +transpose(X,7) ) +transpose(transpose(transpose(X,4) ,4) ,12) ) ) ,4) ) +transpose(((transpose((X+transpose(X,4) ) ,-5) +transpose((transpose((step(X,12) +transpose(X,-5) ) ,-7) |(((transpose(X,4) +transpose(X,4) ) +transpose(X,7) ) |arpeggio(X) ) ) ,12) ) +transpose(((X|(X|X) ) +(X+transpose(X,12) ) ) ,12) ) ,7) ) +transpose(transpose((((transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,4) +transpose(X,7) ) +transpose(transpose(step(X,12) ,-7) ,7) ) +transpose(shuffle((step(X,12) +(X|X) ) ) ,7) ) ,4) ,12) ) ) ,-5) |echo(echo(shuffle(transpose(shuffle((echo(transpose(X,-5) ,4,6) +transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,7) ) ) ,4) ) ,4,6) ,4,6) ) ) +transpose((((((echo(((transpose(transpose(echo(((transpose((X+X) ,-5) +transpose(step((X|X) ,12) ,4) ) +transpose(X,7) ) ,4,6) ,-7) ,-7) +transpose((((X+transpose(X,7) ) |shuffle((X+X) ) ) +transpose(shuffle(step(X,12) ) ,12) ) ,4) ) +transpose(((((transpose(X,4) +transpose(transpose((X+transpose(X,-5) ) ,-5) ,12) ) +(echo(X,4,6) +transpose(echo(X,4,6) ,12) ) ) +transpose(transpose(transpose(X,4) ,4) ,-7) ) |(transpose(X,-7) +transpose(((X|X) |transpose(X,-7) ) ,-5) ) ) ,7) ) ,4,6) +transpose((transpose((((echo(X,4,6) |X) |(step(X,12) +transpose(X,-7) ) ) +step(transpose((X+X) ,-5) ,12) ) ,-5) |(step((((X+transpose(X,12) ) +transpose(transpose(X,-5) ,4) ) +transpose((((step(X,12) |(echo(X,4,6) +(X+X) ) ) +transpose((shuffle(X) |X) ,4) ) +transpose(transpose(X,-5) ,7) ) ,7) ) ,12) +transpose(transpose(((transpose(X,-7) +transpose(shuffle(X) ,4) ) +transpose(echo(X,4,6) ,7) ) ,-7) ,12) ) ) ,4) ) +transpose(transpose(arpeggio(transpose(transpose((((X+transpose(X,12) ) +(X|X) ) +transpose((shuffle(X) +X) ,7) ) ,-5) ,4) ) ,4) ,7) ) +transpose(((transpose(transpose((((X+transpose(echo(transpose(X,-7) ,4,6) ,4) ) +transpose(transpose((X+transpose(X,7) ) ,-5) ,7) ) +((transpose(X,-5) +transpose(X,-5) ) |shuffle(echo(X,4,6) ) ) ) ,4) ,-7) +transpose((transpose(((transpose(transpose(X,-5) ,-7) +(((transpose((X+transpose(X,7) ) ,-5) +transpose((X+transpose(X,12) ) ,12) ) +transpose((X|((X+transpose(X,4) ) +transpose(X,7) ) ) ,4) ) +transpose((echo(transpose((X|X) ,-7) ,4,6) +transpose(X,12) ) ,7) ) ) +transpose(arpeggio(transpose(transpose(shuffle(transpose(transpose(X,4) ,-7) ) ,4) ,-5) ) ,7) ) ,4) +((step((transpose(((X+transpose(X,4) ) +transpose(X,7) ) ,-5) |transpose(transpose(X,4) ,-5) ) ,12) |transpose(step(shuffle((shuffle(transpose(X,-7) ) +arpeggio((X|X) ) ) ) ,12) ,-7) ) +(arpeggio(((transpose(X,-5) +transpose(((X+transpose(X,12) ) +transpose((X+transpose(X,7) ) ,12) ) ,4) ) +transpose(transpose(X,4) ,7) ) ) |transpose(step((X|X) ,12) ,-7) ) ) ) ,12) ) |(((transpose(((((transpose(X,4) +transpose(step(shuffle(X) ,12) ,4) ) +transpose(echo(echo((X+X) ,4,6) ,4,6) ,7) ) +transpose((((transpose(arpeggio(X) ,-5) +transpose((X+X) ,4) ) +transpose(step(transpose(X,-7) ,12) ,7) ) +transpose(echo(X,4,6) ,12) ) ,4) ) +transpose(transpose(arpeggio(((echo(X,4,6) +transpose(X,4) ) +transpose(transpose(X,-5) ,7) ) ) ,-7) ,7) ) ,-5) +transpose(shuffle(shuffle(transpose((transpose(X,-7) +(transpose(X,4) +transpose(arpeggio(X) ,7) ) ) ,4) ) ) ,12) ) +transpose(echo((echo(step((transpose((((X+(X+X) ) +transpose(transpose(shuffle(X) ,4) ,4) ) +transpose((shuffle(X) |transpose(X,-7) ) ,7) ) ,-5) +transpose(transpose(X,-7) ,12) ) ,12) ,4,6) |((((transpose(transpose(echo(X,4,6) ,-5) ,-5) +transpose((X+X) ,4) ) +transpose(shuffle(echo(X,4,6) ) ,7) ) +((arpeggio(arpeggio((X+transpose(X,12) ) ) ) +transpose(X,-7) ) |((X+transpose((X|X) ,4) ) +transpose((transpose(arpeggio(X) ,-5) +((X+transpose(X,4) ) +transpose(transpose(X,-5) ,7) ) ) ,7) ) ) ) +(transpose(step(transpose(X,-7) ,12) ,-5) +echo(X,4,6) ) ) ) ,4,6) ,4) ) +transpose(step(shuffle(((shuffle(shuffle(arpeggio(transpose(X,-7) ) ) ) |(((X+transpose(X,7) ) |(X+X) ) +transpose((((X+transpose(X,7) ) +transpose(X,4) ) +transpose(X,7) ) ,12) ) ) |(((transpose((X|X) ,-7) +arpeggio(transpose((transpose(X,4) |arpeggio(X) ) ,-5) ) ) +transpose(transpose(transpose(step(X,12) ,4) ,-7) ,4) ) +transpose(((((X+X) +transpose(step(X,12) ,4) ) +transpose(shuffle(X) ,7) ) |X) ,7) ) ) ) ,12) ,7) ) ) ,12) ) +transpose(((transpose(transpose((((arpeggio(X) +transpose((X+transpose(X,12) ) ,4) ) +transpose(shuffle(X) ,7) ) |(X+transpose(X,7) ) ) ,-7) ,4) +transpose((((echo(X,4,6) |transpose(X,-5) ) +transpose(((shuffle(X) +transpose(X,4) ) +transpose(transpose(X,-5) ,7) ) ,7) ) +transpose(transpose(transpose(transpose(arpeggio(X) ,4) ,-7) ,4) ,12) ) ,7) ) +transpose(((transpose((((X+X) +transpose(shuffle(X) ,12) ) +transpose((step(X,12) +transpose((X|X) ,12) ) ,7) ) ,-7) +((transpose(transpose(step(X,12) ,-7) ,4) +transpose(((transpose(transpose(X,4) ,-7) +transpose(transpose((transpose(X,4) +transpose(transpose(X,-7) ,7) ) ,-7) ,12) ) +echo(step(X,12) ,4,6) ) ,12) ) |(transpose(transpose(X,4) ,4) |arpeggio(transpose(X,-5) ) ) ) ) +(echo((X|X) ,4,6) +shuffle((transpose(arpeggio(((transpose(X,-5) |(X+transpose(X,7) ) ) +transpose((shuffle(X) +(X+X) ) ,7) ) ) ,4) +(shuffle(echo(transpose((X+X) ,-7) ,4,6) ) +transpose(shuffle(echo(X,4,6) ) ,12) ) ) ) ) ) ,4) ) ,4) ) +transpose(step((transpose((((X|X) |shuffle(X) ) +arpeggio((transpose(X,4) +transpose(step(X,12) ,7) ) ) ) ,-7) |(transpose(echo(transpose(X,4) ,4,6) ,4) +((echo(((X+transpose(X,12) ) +transpose(X,7) ) ,4,6) +transpose(transpose(step(transpose(X,4) ,12) ,4) ,4) ) +transpose(transpose((transpose(X,-7) +transpose((X+transpose(X,7) ) ,-7) ) ,4) ,7) ) ) ) ,12) ,7) ) ,7) ) ) ,12) ) )
random seed used was 0

NOTE: Generated phrase was too large ( 13528 ) , it has been truncated at 5000 notes.


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