Laurie Spiegel

".../... and I soon began to work with that instrument myself, music turned back into the medium I had loved. In fact it went far beyond that, virtually turning from black-and-white into color. Not only could I work directly with sound itself again, like painters and authors do on their works, instead of indirectly encapsulating them in abstract sets of instructions to others in an imperfect notational language, but also, I was able at last to represent the tenuous and vague sonic shapes that formed in my imagination and in which my inner emotions had always taken previously inexpressible form."

Laurie SPIEGEL is one of the computer generated music pionneers of the late 70's. She's done amazing pieces and still does. In fact, she actually does much more than music, if you want to try to get some bits of this :
1984 interview here : http://www.youtube.com/musicmouse
official site : http://retiary.org/    from which you can start wandering through a labyrinth of works, thoughts, pictures ...