For me it's the instrument. If I want to think of a flute and the state of the arts I hear a vibrato; I don't know what a flute is unless the person plays it for me.
To be successful you have to be selfish, or else you never achieve. And once you get to your highest level, then you have to be unselfish. Stay reachable. Stay in touch. Don't isolate.
Playing for Yogi is like playing for your father; playing for Billy is like playing for your father-in-law.