Yes indeed it takes a lot of facility. And I was lucky because I had all that early, excellent training so I could do that. And Charlie Parker and Art Tatum to me are the two that stand out for genius in this business. Absolute genius. Everyone else, as good as they are -- and this includes Oscar, and Oscar will tell you this, Oscar to me was the epitome of pianists -- would tell you that the first, one of the innovators was Art Tatum. Nobody played like him before that. But after that everybody tried. Charlie Parker was the same.  Charlie Parker influenced every musician in the world that plays jazz. From his point on, even now, we all live in Charlie Parker's shadow.