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CLEVELAND, OH - APRIL 14: Inductees (L-R) Gilbert Clarke, Matt Sorum, Duff McKagan, Slash and Steven Adler of Guns N' Roses, perform onstage during the 27th Annual Rock And Roll Hall of Fame Induction Ceremony at Public Hall on April 14, 2012 in Cleveland, Ohio. (Photo by Michael Loccisano/Getty Images)

CLEVELAND, OH - APRIL 14:  Inductees (L-R) Gilbert Clarke, Matt Sorum, Duff McKagan, Slash and Steven Adler of Guns N' Roses, perform onstage during the 27th Annual Rock And Roll Hall of Fame Induction Ceremony at Public Hall on April 14, 2012 in Cleveland, Ohio.  (Photo by Michael Loccisano/Getty Images)