Traditional and country western dance classes will be held Friday mornings from 9:30 a.m. to 11 a.m. at the Rochester Council on Aging, located at 67 Dexter Lane. Nancy Cabral will instruct. No registration is needed. Due to the classes’ popularity, an additional session is held on Tuesday afternoons from 2 p.m. to 4 p.m. at the Senior Center. For more information, call the Council on Aging 508-763-8723.