Associated PressIn this Oct. 9, 2012 file photo, Led Zeppelin guitarist Jimmy Page, left, and singer Robert Plant appear at a press conference ahead of the worldwide theatrical release of "Celebration Day," a concert film of their 2007 London O2 arena reunion show, in New York. Generations of aspiring guitarists have tried to copy the riff from Led Zeppelin's “Stairway to Heaven.” Starting Tuesday, June 14, 2016, a Los Angeles court will try to decide whether the members of Led Zeppelin themselves ripped off that riff. Page and Plant are named as defendants in the lawsuit brought by the trustee of late guitarist Randy Wolfe from the band Spirit. (Photo by Evan Agostini/Invision/AP, File)
