James A. Tuttle Library, 45 Main St. in Antrim, will host a free concert featuring Andrew Koutroubas on cello and Sharon Dowling on harp on Sunday, Dec. 22, from 7 to 8 p.m.

The program will include music ranging from the medieval era to the 1960s, with highlights of both American and Celtic melodies. Guests are invited to participate in a singalong while eating light refreshments.

The event is part of the Antrim Festival of Trees, which will also announce the winner of this yearโ€™s tree contest and quilt raffle. Admission is free.