The Williams College Octet will perform in Weston’s Old Parish Church at 2 p.m. This a cappella group often has a few spare guys to perform a range of harmonic styles. Proceeds from the $10 admission goes to local food pantries. Old Parish Church is located on Route 100, Weston. Visit oldparishchurch.org or call Bob Brandt at 802-824-5486 for information.