Pianist. Emcee. Producer. Bandleader. Kev Choice wears many hats, and all of them fit. Blessed with prodigious talent, plus the skill and dedication to his craft to pull it off, the Oakland-based artist is redefining what it means to be a musician in this day and age. Not too many classically-trained pianists who hold Master’s degrees in jazz can rock microphones with blazing-hot 16s.