BATH — On Saturday, Oct. 3, the Nor’easter barbershop chorus will bring its A Cappella Musical Extravaganza to the Chocolate Church Arts Center.

The 7 p.m. concert features Sing City, an award-winning Northeast District quartet; Mount Blue Voices and the Mount Blue High School A cappella Vocal Ensemble 09; and division champions Back Bay Four, as well as the Nor’easter’s chorus.

Tickets are $15, $12 for seniors and students. The arts center is on Washington Street. For more information, visit www.noreasterschorus.org or call 353-2464.