Richard Nickerson, right, directs The Maine Music Society Chorale during Monday’s rehearsal for the upcoming “A Season of Celebration” performance at the Franco Center in Lewiston. Sixty-two volunteer singers from around the Lewiston-Auburn community will perform during the family friendly holiday concert at 7:30 p.m. on Saturday, Dec. 10, and 3 p.m. on Sunday, Dec. 11. Visit www.mainemusicsociety.org for more information. Daryn Slover/Sun Journal