original_query: What is the musical "Wicked" based on?
query: What is the musical "Wicked" based on?
answer: The musical Wicked is based on the 1995 novel *Wicked: The Life and Times of the Wicked Witch of the West* by Gregory Maguire, which in turn is based on the characters and setting of L. Frank Baum's 1900 novel *The Wonderful Wizard of Oz* and the 1939 film adaptation.