TEXT: "The Chambersburg Area Senior High School Drama Club will perform the popular musical ""Mamma Mia!"" at 7:30 p.m. Friday and Saturday and 2:30 p.m. Saturday. Tickets ($8 for adults, $5 for students/children) will be sold at the door; no reserved seating. For more information, call 717-261-3322, ext. 80401."