The Medford Council on Aging continues its monthlong Summer Concert Series at the Senior Center, today featuring the Retro Polatin Duo of Jill Goldman (lead vocals and u-bass) and David Polatin (guitar and backup vocals). Their program will feature “Pioneering Women of Rock and Roll,” honoring 15 female performers of the 1950s and ’60s. Enjoy an afternoon of music and social entertainment, plus desserts. Two concerts remain on the schedule: A Musical Journey Through the Years with Tommy Rull on June 21, and Howie Newman on June 28. You must sign up for each concert separately. Stop by the Senior Center office or call 781-396-6010.