The Phantom of the Opera is a musical by Andrew Lloyd Webber, based on the book written by the French novelist Gaston Leroux. The music was composed by Andrew Lloyd Webber, with lyrics by Charles Hart and additional lyrics by Richard Stilgoe directed by Hal Prince, choreographed by Gillian Lynne, lighting by Andrew Bridge and designed by Maria Bjornson.
The musical focuses on a beautiful soprano, Christine Daaé, who becomes the obsession of a mysterious, disfigured musical genius known as "The Phantom of the Opera", who terrorizes the Paris Opera House. It opened on the West End in 1986 and in 2008 surpassed its 9,000th performance there. It is the second longest-running West End musical in history and the longest-running Broadway musical. It was made into a film in 2004 and, according to its official website, it is the most successful entertainment project in history, grossing more than £1.8bn ($3.2bn) by 2007.