The Medford Council on Aging is holding a Mother’s Day Tea featuring a Delvena Theatre Company production of “Mangia, Meatballs and Murder” at the Senior Center. Who dunnit? Find out at this live, comedic interactive murder mystery. After the performance, enjoy some tea and stuzzichini. Tickets are $3 (limit 2 per person) and go on sale at the Senior Center on May 1.