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 CaleI am a ham. I've no business being rock 'n' roll. I've said it over and over again that I'm a classical composer, dishevelling my personality by dabbling in rock 'n' roll.
John CaleWhen somebody grabs a movement, you're kind of locked into it. It's all par for the course.
John Cale