Information for Sinfonia at Cast, Doncaster (Play). Sinfonia is a show about stories. Authentic stories from the past, present and imagined future of an oft-overlooked generation. Sinfonia is a rich and moving symphony performance featuring personal stories written and performed by the cast and interwoven with original music and beautiful choreography. Audiences will laugh, cheer and cry as Sinfonia interrogates the relationship between intimacy and spectacle and demonstrates how we can build love and solidarity for one another when we believe in something together. Everyone has a story to tell and together, they create a symphony.