Celebrate the Powers Music School’s 50th anniversary by participating in the season’s first Open Sings: “Carmina Burana” by Carl Orff. The chorus will be accompanied by two pianos and percussion with feature singers from Musica Sacra and area choirs. The sing takes place on Sunday, Oct. 19 at 7:30 p.m. at the First Church in Belmont, Unitarian Universalist, 404 Concord Ave.

Tickets: $10 per person; No reservations needed.