(NORTH ADAMS, Mass.) – Canadian acoustic folk-pop duo Dala returns to perform a Christmas concert at Massachusetts College of Liberal Arts (MCLA) on Thursday, December 13, 2012, at 7:30 p.m., as part of the MCLA Presents! performance series. Melody Rolph ’14 will warm up the crowd for Amanda Walther and Sheila Carabine, who together as…