In this 2003 comedy directed by Richard Linklater, Jack Black stars as a passionate but struggling musician who finds himself posing as a substitute teacher at a prestigious prep school. Discovering the musical talents of his students, he forms a band with them to compete in a local Battle of the Bands competition. The film is celebrated for its energetic performances and humorous take on the transformative power of music. While it didn’t win major awards, it has become a beloved cult classic over the years. For those interested, it can be viewed for free on 123Movies / Movies123.