Before ZZ Top, Billy Gibbons (second from right) was in the more psychedelic Moving Sidewalks. Rancho Deluxe Productions hide caption

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Aretha Franklin became a star on the Atlantic record label after leaving Columbia. Express Newspapers/Getty Images hide caption

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Joe Hill Louis, B.B. King and Rufus Thomas appear on a new multi-disc compilation of electric blues, Plug It In! Turn It Up! Bear Family Records hide caption

itoggle caption Bear Family Records

No figure in the history of rock 'n' roll is more incongruous than Big Joe Turner. Heinrich Klaffs/Wikimedia Commons hide caption

itoggle caption Heinrich Klaffs/Wikimedia Commons

"Son of a Preacher Man" was Dusty Springfield's debut on Atlantic. The entire album that spawned it, Dusty in Memphis, was recorded at American Studios. Stan Meagher/Getty Images hide caption

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Singer, songwriter and swamp-pop pioneer Bobby Charles poses for a portrait in 1972. Michael Ochs Archives/Getty Images hide caption

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With his growling vocals, Howlin' Wolf fought his way to the top of the cutthroat Chicago blues scene. Frank Driggs Collection hide caption

itoggle caption Frank Driggs Collection