The newly formed Hobart Trio — violinist Kathleen Butler-Hopkins, cellist Joseph Kimura, and pianist Iris Perry — plays chamber music in Lambert Castle in Paterson on Sunday, April 30 at 5 p.m.; doors open at 4:15. The concert is hosted by the Passaic County Historical Society. The trio is based in the William Paterson University music department and the musicians have performed in orchestras across Europe and the United States. 3 Valley Road. lambertcastle.org or (973)247-0085.