specifically, probably what you are listening to today, there has been some influence from him. absolutely. if you think about it, rock 'n roll music is rebellious music, revolutionary music. at the time that chuck berry and little richard oand other icons were formulating this type of anger and putting it into their music and telling where it came from. it speaks to everybody. you can be a reggae artist in jamaica that that guitar spoke to and you get some bob marley music. you could be english kids and the beatles are influenced, the stones are influenced, the who is influenced. the beach boys are hearing guitar licks from chuck berry and it is being woven into their music. chuck berry is the fabric of rock 'n roll. you don't have this music without him. >> that's fascinating. tell me about the revolutionary