Well I didn't want to get into it, but he's a Satanist.
Every full moon he sacrifices 4 puppies to the Dark Lord and smears their blood on his paino.
This should help you understand the score for Wicked a little bit more.
Tazber's: Reply to
Is Stephen Schwartz a Practicing Christian
Sierra's being replaced by Celinde Schoenmaker, a young Dutch actress who was due to play Molly in Ghost over there before it cancelled. You can see her sing With You in Dutch on Youtube: