The lineup has been revealed for next year’s M3 Rock Festival. The event will take place at the Merriweather Post Pavilion in Columbia, MD on May 4-5 and it will feature the following daily lineups: May 4: Queensrÿche, Stephen Pearcy, Last In Line, Quiet Riot, Lynch Mob, Doro, Aldo Nova, Child’s Play, Fan Halen, and…