 And he was also, in terms of his temperament, different from other jazz musicians. You could say of his era, Duke Ellington had a very upbeat, ebullient temperament. Not as ebullient as Louis. I don't think anybody could be as ebullient as Louis. But if you go to Miles Davis and Bebop, completely different, introverted, sullen, hard drugs, also a genius, self-destructive, etc.,