Classic jazz with a strong baseline erupts from speakers from across the room. Drum sticks in hand, Brenda Gjelsness reaches toward the ceiling and the class mimics her movements. "It's early in the ...

The rhythm is gonna get you … in better shape. It’s a chilly January morning at the Knolls, a housing community for seniors age 62 and older in Melville, and residents in the clubhouse are three ...