American drummer Al Jackson Jr. (1935–1975) was a foundational figure in soul music, best known as a member of Booker T. & the M.G.'s. His precise and understated drumming style was instrumental in shaping the sound of Stax Records, contributing to countless hit recordings for artists like Otis Redding, Sam & Dave, and Albert King. Jackson's rhythmic contributions were crucial to defining the groove of 1960s and 70s R&B and soul.