The source of inspiration can be any of the things:deep emotional experiences - say, romantic love or spiritual contemplation.I think such rare moments come only when you have total concentration. You are consumed in and by the music. I guess you could say that it is akin to contemplation. In order to reach this desirable state of mind you have to rise above the environment you're in at that particular time - a bad piano, glaring stage lights, or the attitude of the audience. Sometimes the inspiration of the other musicians you're playing with helps you reach this stage.
Dave BrubeckJazz is about freedom within discipline. Usually a dictatorship like in Russia and Germany will prevent jazz from being played because it just seemed to represent freedom, democracy and the United States.
Dave BrubeckDuke Ellington, Art Tatum, and many other great jazz musicians objected to their music being called jazz. While the outside world may want to put a label on it, those who create it think of it just as music, and tend not to classify it.
Dave Brubeck