Ben Platt | Credit: Getty Images Ben Platt and his sister-in-law Courtney, a professional dancer who suffers from multiple sclerosis (MS), are using music to help others who are battling the disease. On Tuesday's episode of the new PEOPLE Every Day podcast, hosted by Janine Rubenstein, Ben, 27, and Courtney, 32, opened up about teaming up with the American Music Therapy Association and Bristol Myers Squibb for the initiative MS in Harmony, which uses music therapy to help MS patients achieve "harmony of the body and mind." Get push notifications with news, features and more. + Follow Following You'll get the latest updates on this topic in your browser notifications.