AUGUSTA — Members of Maine-ly Harmony a capella women’s chorus will perform “Sing Acappella!” at 2 p.m., Sunday, Feb. 22,  at Jewett Hall at the University of Maine Augusta. Featured also will be the award-winning men’s quartet, Back Bay Four. The performance is part of the UMA College of Arts and Sciences and UMA Senior College’s 12th season of Concerts at Jewett. Tickets are $10 for adults, $5 for students, 12 and under are free, and are available at Pat’s Pizza in Augusta and Apple Valley Books in Winthrop as well as at the door. Contact Donna at 582-5523 for more information. Jewett Hall is located at 46 University Drive, Augusta.