My father used to play with my brother and me in the yard. Mother would come out and say, “You’re tearing up the grass.” “We’re not raising grass,” Dad would reply. “We’re raising boys.” – Harmon Killebrew
Even if youre 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 Cale