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 CaleWhen somebody grabs a movement, you're kind of locked into it. It's all par for the course.
John CaleThere was a time where I was the youngest one in any group, and now when I turn around sometimes, I'm the oldest one in every group. It just seemed to flip-flop one day - it wasn't a gradual thing.
John Cale