The first set of bands have been revealed for next year’s M3 Rock Festival. The event will take place at the Merriweather Post Pavilion in Columbia, MD on May 2 and it will feature Tom Keifer (Cinderella), Queensrÿche, Buckcherry, White Lion, Barry Goudreau’s Engine Room, Faster Pussycat, Trixter, and more. Quiet Riot will also perform…