Clockwise from upper left: The 2 Bears, Thom Yorke, Robert Plant, Aphex Twin, Mina Tindle, Jon Hopkins Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

Clockwise from upper left: Robert Plant, a young Jeff Tweedy, Sinkane, Sarah Jaffe, The Juan MacLean. Courtesy of the artists hide caption

itoggle caption Courtesy of the artists

As a boy, Robert Plant marveled at the voices of Smokey Robinson and James Brown on the radio. Getty Images hide caption

itoggle caption Getty Images