(PITTSFIELD, Mass.) – Hip-hop legend Raekwon, pianist Christopher O’Riley, and Black Crowes frontman Chris Robinson are among the performers slated to perform at the Colonial Theatre in Pittsfield in summer 2012. Also on the agenda are comedian Bill Engvall, a Leonard Bernstein tribute cabaret featuring Bernstein’s daughter, Jamie Bernstein, the Chinese Golden Dragon Acrobats, and…