NEW ROCHELLE, NY — This July 4th, cap off your holiday evening with a viewing of the grand fireworks display at the New Rochelle waterfront. Produced and sponsored by the famous Grucci family, the City of New Rochelle’s annual “Spark the Sound” extravaganza will start at 9:30 p.m., rain or shine. Optimum viewing locations include Hudson and Five Islands Parks and waterfront restaurants.