The Hopkinton Center for the Arts presents the Treblemakers Community Chorus for its annual Holiday Concert on Saturday, Dec. 13, from 7-8 p.m. and Sunday, Dec. 14, from 2-3 p.m. The Treblemakers will perform a lively mix of classic holiday favorites alongside international carols and seasonal pieces. Attendees are asked to bring a nonperishable food or personal care item to support Project Just Because. Tickets are $30; student and senior tickets are $25. For more information, visit hopartscenter.org/events.