The Flower Hill String Band serves up a soul-satisfying menu of bluegrass and related musical styles for a family-friendly good time. You’re also liable to taste a few Celtic fiddle tunes, some traditional gospel, and even a modern country song or two—all seasoned with homespun flavor from the American heartland. Dave Adams (banjo) together with his teenage daughters Melissa and Heather (fiddles and vocals) make up the core of the ensemble, while 14-year-old Ben Somerville delivers some spicy...