Get in the Holiday Mood with Mainstage's Holiday Concert & Family Festival Mainstage Center for the Arts' Holiday Concert & Family Festival on December 21 and 22 is a treat for the entire family to enjoy! It comes complete with hot chocolate, a visit with Santa, and a joyful holiday concert featuring Mainstage Center for the Arts ’ professionally-staged and choreographed show choirs, Harmony and Encore; its School of Dance , and performers from the Mainstage Performing Arts Academy . The concert begins at 7:00 p.m., December 21, and 2 p.m., December 22, in Lincoln Hall and the Dennis Flyer Theater, Camden County College, Blackwood, NJ. Doors will open for festival activities one hour before each show time. Tickets are $16 for adults and $13 for children under 12/senior citizens. For nominal additional fees, those attending can participate...