The Concord Women’s Chorus performs Benjamin Britten’s seasonal works, with David Conte’s “The Harper’s Song,” Elaine Hagenberg’s “O Come, Emmanuel,” Ed Henderson’s “The Huron Carol,” and a harp solo by Carrie Kourkoumelis. Tickets: $30, $25 seniors/students, $10 children 12 and under, available at concordwomenschorus.org.