Rock and Roll Dueling Pianos will ring out to benefit those who have suffered brain and spinal cord injuries on Saturday, Aug. 15, at Marissa\u2019s, 6540 Main St., Trumbull. The event runs 6 to 10 p.m. and benefits MovingWithHope, a Shelton-based organization. Music starts at 7. The performers take requests for songs and create skits and contests to involve the guests to be a part of the show. Buffet style selections will be available to accommodate more than 150 people. Tickets are $55 per person and available at duelingpianosforhope.com.