The Phantom of the Opera (1986 musical)
The musical opened in London's West End in 1986, and on Broadway in 1988. It won the 1986 Olivier Award and the 1988 Tony Award for Best Musical, and Michael Crawford (in the title role) won the Olivier and Tony Awards for Best Actor in a Musical. It is the longest running show in Broadway history by a wide margin, and celebrated its 10,000th Broadway performance on 11 February 2012, the first production ever to do so. It is the second longest-running West End musical, after "Les Misérables", and the third longest-running West End show overall, after "The Mousetrap".
Phantom of the Opera (1943 film)
Following the success of "Phantom of the Opera", Universal announced that a sequel would be made, titled "The Climax". Nelson Eddy and Susanna Foster were to return, along with Claude Rains as the Phantom, most likely meaning that his character survived the cave-in at the finale of the first film (indeed, in the final shot of the mask and violin atop the rubble, there is a sound of moving rock). The sequel, however, was later cancelled due to story troubles and problems concerning the availability of Claude Rains. "The Climax" was indeed released the year after "Phantom of the Opera", but it was not a continuation of the previous film and featured completely new characters.