Mitch Thomas and Maddy Leslie (center) with Elias Thomas (left) and Bruce Gerry (right) will perform with several other beloved local performers. (Sarah Noyes Photo) The concert is Saturday, December 18 at 2:30 p.m. Free. Auburn United Methodist Church, 439 Park Ave., Auburn. The church is handicap accessible. Call 782-3972 or 838-1722 for more information.