School of Rock is a rock musical with music by Andrew Lloyd Webber, lyrics by Glenn Slater and a book by Julian Fellowes. Based on the 2003 film of the same name, written by Mike White, the musical follows Dewey Finn, an out-of-work rock singer and guitarist who pretends to be a substitute teacher at a prestigious prep school. After identifying the musical talent in his students, Dewey forms a band of fifth-graders, in an attempt to win the upcoming Battle of the Bands contest.

Julian Alexander Kitchener-Fellowes, Baron Fellowes of West Stafford,, known professionally as Julian Fellowes, is an English actor, novelist, film director, screenwriter, and Conservative peer. He has received numerous accolades, including an Academy Award and two Emmy Awards as well as nominations for four BAFTA Awards, a Golden Globe Award, two Olivier Awards, and a Tony Award.