Even if you're improvising, the fact that beforehand you know certain things will work helps you make those improvisations successful. It really helps to have a certain amount of knowledge about musical structure.
John CaleThe value of having a computer, to me, is that it'll remember everything you do. It's a databank.
John CaleThe only reason we wore sunglasses onstage was because we couldn't stand the sight of the audience.
John Cale