Kim Merchant speaks with Tom Zhang about what makes the Phantom tick, in both the book and stage production.

Theme produced by Will Merchant.

Excerpts from:

- 'Dies Irae' from Requiem Canticles, performed by Alessio Randon

- Excerpts from Phantom of the Opera's Live 25th Anniversary Production Live at the Royal Albert Hall featuring Sierra Boggess, Hadley Fraser, and Ramin Karimloo (music by Andrew Lloyd Webber)