The Phantom of the Opera is a musical with music by Andrew Lloyd Webber, lyrics by Charles Hart, additional lyrics by Richard Stilgoe and a libretto by Lloyd Webber and Stilgoe. Based on the 1910 French novel of the same name by Gaston Leroux, it tells the tragic story of a beautiful soprano, Christine Daaé, who becomes the obsession of a mysterious, masked musical genius living in the subterranean labyrinth beneath the Paris Opéra House.

Harold Smith Prince, commonly known as Hal Prince, was an American theatre director and producer known for his work in musical theatre.