At 94, this fons et origo of modern drumming plays with all the deftness and effortless swing acquired in partnerships with Armstrong, Young, Parker, Monk, Coltrane, Miles Davis, Sarah Vaughan, Chick Corea, and Pat Metheny—and with all the joy and exploratory gusto of a child who’s just found his first trap set under the Christmas tree. A rare epiphany, and not to be missed. —E.E.