Another interesting tool in this space is called Tidal Cycles http://tidalcycles.org/ http://tidalcycles.org/ It's written in Haskell, and seems to do somethin

Another interesting tool in this space is called Tidal Cycles http://tidalcycles.org/ http://tidalcycles.org/ It's written in Haskell, and seems to do something very interesting with the way to define looping patterns.