Despite scoring only one national hit, the 1961 instrumental smash "Last Night," the Mar-Keys remain one of the most important groups ever to emerge from the Memphis music scene. As the first house band for the legendary Stax label, they appeared on some of the greatest records in soul history, with their ranks also producing such renowned musicians as guitarist Steve Cropper and bassist Donald "Duck" Dunn. The Mar-Keys formed in 1958 and included drummer Terry Johnson, pianist Jerry Lee "Smoochie" Smith, saxophonists Don Nix and Charles Axton, and trumpeter Wayne Jackson in a...