"Wicked! (Evil)" is a musical that tells the backstory of the witches from the classic tale of The Wizard of Oz. It focuses on the friendship between Elphaba, the Wicked Witch of the West, and Glinda, the Good Witch. The story explores themes of friendship, identity, and the nature of good and evil. The musical is based on the novel "Wicked" by Gregory Maguire and features music and lyrics by Stephen Schwartz. It premiered on Broadway in 2003 and has since become a cultural phenomenon, celebrated for its powerful songs and engaging narrative.