The sixteenth annual Living Christmas Tree concert features "A Celebration of Carols" cantata by Joseph M. Martin. Presented by an ecumenical choir of community members and directed by Becky Leonard, the concerts will be held at Thomaston Baptist Church, 212 Main St./Route 1. Free. Dec. 1 at 6 p.m., Dec. 2 at 4 p.m. and Dec. 3 at 7 p.m.