Sgt. Daniel Clark, "The Singing Trooper," to perform special 9/11 concert at Waterstone

Sgt. Daniel Clark will perform a memorial concert at Waterstone at Wellesley on Friday, Sept. 11 at 7:30 p.m. “The Singing Trooper” gave the Massachusetts State Police 20 years of service and performed more than 2,500 events for federal, state, local and military functions during this tenure. This event is free and open to the public, but an RSVP is requested at 781-235-1614. Waterstone is located at 27 Washington St., and includes 134 apartments for seniors 62 and older. It features independent and assisted living rental apartments.