Al Jackson, Jr. was the excellent drummer who kept Booker T. & the MG's in line, both on their own recordings as well as on dozens of sessions for artists contracted to Hi and Stax Records. Born in Memphis in 1934, he came up with producer Willie Mitchell at the Hi label and played on dozens of hits by Al Green and Ann Peebles, among others. Keyboard player Booker T. Jones, who had played in Mitchell's band as well, considered Jackson the best drummer in Memphis. In 1962, he persuaded Jackson to join Stax Records, where the pair joined guitarist Steve Cropper and (later) bassi...