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

itoggle caption Michael Ochs Archives/Getty Images

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

The Beach Boys in 1964: Brian Wilson, Dennis Wilson, Mike Love, Al Jardine and Carl Wilson.

Hulton Archive/Getty Images hide caption

itoggle caption Hulton Archive/Getty Images