They offer a basic version free to download. Many thanks by the way to the phenomenal John Dunn, Algo Arts programmer and musician. Cdex , which is the best free file conversion software out there. Check it out at major music software downlaod sites. My general theory is that nature and math have a lot to do with music, and their commonality can be expressed as numerical data.
Natural data means numbers, mathematical data means numbers, and music means numbers.
I am actually looking for a guitarist who is willing to learn to play notes from numerical data sheets rather than customary scores. It's that simple. Try layering a four-beat sound by using the first number in a four number set, with the four tones entire as quarter notes. Really layer and experiment. I am a break-beat artist.