What musical starred-in by Ramin Karimloo originally featured the character Christine Daaé?
Ramin Karimloo:  He has played leading male roles in both of the West End's longest running musicals: The Phantom and Raoul in "The Phantom of the Opera", and Jean Valjean, Enjolras, and Marius in "Les Misérables". The Phantom of the Opera (1986 musical):  Based on the French novel "Le Fantôme de l'Opéra" by Gaston Leroux, its central plot revolves around a beautiful soprano, Christine Daaé, who becomes the obsession of a mysterious, disfigured musical genius living in the subterranean labyrinth beneath the Opera Garnier.
The Phantom of the Opera