Megadeth and Motley Crue were L.A. metal rivals during the Eighties, but time appears to have healed old wounds. Crue bassist Nikki Sixx joined Megadeth onstage June 11th at England’s Download Festival for a raucous cover of the Sex Pistols’ punk anthem “Anarchy in the U.K.,” Ultimate Classic Rock reports.
Fan-shot footage shows Sixx…