The international hit musical continues at London's Apollo Victoria Theatre.

Truby is leaving the London cast to play Doctor Dillamond and The Wizard in the upcoming new tour of the Stephen Schwartz-Winnie Holzman musical.

The composer dissects the 24-track cast recording, revealing his classic rock influences for the songwriting and sharing details about the collaboration with Cameron Crowe, the musical's (and the film's) writer.

The upcoming two-part film version of the long-running Broadway favorite musical stars Cynthia Erivo and Ariana Grande.

To rejoicify in the 20th anniversary of Wicked on Broadway, take a closer look at the show's longtime home (including the wall signed by Kristin Chenoweth).