Entertainment Tweet by @SheffieldLyceum Published June 5 2023 06:30 PM "I can't believe how brilliant it is!" (Vanessa Feltz)Showstopper! The Improvised Musical opens this week in the Lyceum!Audience suggestions are transformed into brand new musical comedies at each performance of this award-winning show. 🎫: https://t.co/77SckyuCaB, — SheffieldLyceum (@SheffieldLyceum) June 05, 2023 17:30