Al Foster, master drummer, has been a major innovator in the world of jazz for several decades. As a member of the Miles Davis band for thirteen years, Foster's contribution to Davis' music is articulated by Davis himself in his 1989 autobiography, Miles: The Autobiography, where Davis describes the first time he heard Foster play live in 1972 at the Cellar Club on 95th Street in Manhattan: 'He [Foster] knocked me out because he had such a groove.