This classic tale of romance and mystery follows the story of a mysterious figure who lurks in the shadows of the Paris Opera House. Known only as the Phantom, he is a disfigured musical genius who haunts the halls of the opera house and falls in love with the beautiful soprano
From Wikipedia
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. Inspired by the 1910 novel by Gaston Leroux, it tells the tragic story of beautiful soprano Christine Daaé, who becomes the obsession of a mysterious and disfigured musical genius living in the subterranean labyrinth beneath the Paris Opera House.