Do you have any examples of brilliant innovative musicians that did not master the basics very thoroughly? I don’t believe the commonly repeated idea that rote

Do you have any examples of brilliant innovative musicians that did not master the basics very thoroughly? I don’t believe the commonly repeated idea that rote learning and repetition would somehow inhibit innovation. I’m quite sure it’s the opposite. Take Rodney Mullen, by far the most innovative skater ever, he practically created new school skateboarding. He’s a machine, completely mastered old school and is extremely consistent.