Wicked is a Broadway musical that tells the backstory of the witches of Oz and is presented at Boston’s Citizens Bank Opera House (Boston Opera House) as part of a touring production. The show features large-scale musical numbers, elaborate costumes and sets, and is notable for its long-running Broadway origins and popular appeal to musical-theatre audiences. It takes place in a historic downtown Boston theatre and is typically produced by the musical’s touring company with principal cast and creative elements from the Broadway production.