“Wicked” is a popular Broadway musical based on Gregory Maguire’s novel “Wicked: The Life and Times of the Wicked Witch of the West,” which is a reimagining of L. Frank Baum’s classic novel “The Wizard of Oz.” The musical explores the untold story of the witches of Oz, focusing on the relationship between Glinda the Good Witch and Elphaba, who becomes the Wicked Witch of the West. Recommended ages 8+.