(L-R) American musicians Nancy Wilson and Ann Wilson, of the American rock band Heart, pose for a portrait in Los Angeles, California, March 1980. (Photo by Bonnie Schiffman/Getty Images)
Members of the American Rock group ZZ Top present the 'Muddywood' guitar to the Carnegie Public Library's Delta Blues Museum, Clarksdale, Mississippi, April 21, 1988. Pictured are, from left, Billy Gibbons, Frank Beard, and Dusty Hill. The guitar (made by the Pyramid Guitar Co) was fashioned from a beam of wood salvaged from the childhood home of Blues musician Muddy Waters. (Photo by Paul Natkin/Getty Images)
