School of Rock is a musical based on the 2003 film of the same name, featuring music by Andrew Lloyd Webber and a book by Julian Fellowes. The story follows a struggling musician, Dewey Finn, who poses as a substitute teacher at a prestigious prep school. He introduces his students to rock music and forms a band to compete in a local battle of the bands. The musical premiered in 2015 and has received positive reviews for its energetic performances and catchy songs. It emphasizes themes of self-discovery, teamwork, and the importance of following one's passion, appealing to both children and adults.