Cindy Johnson Senior work-off program Eligible seniors, age 60 or older, who are residents of Millbury, can receive up to $1,500 per year that can be used to pay real estate property tax in return for voluntary service at a town department. For more information or to pick up an application, call the center at 508-865-9154. Exercise classes Classes begin Monday, April 26. Classes are held Mondays and Fridays from 9:30 to 10:15 a.m. Classes are held inside, with limited capacity. Reservations are required; call the center at 508-865-9154. Summer concerts Summer concerts are back. First up, from 6 to 7:15 p.m. Thursday, June 17, Robert Black, an Elvis impersonator. From 6 to 8 p.m. Thursday, July 15, 4 Ever Fab, "A Beatles Tribute Band," will perform. Finally, from 5:30 to 7:30 p.m. Thursday, Aug. 19, the Eddie Forman Polka Band Orchestra will be on stage.