"I'm Not That Girl" is a pivotal moment in the 2003 Original Broadway Cast recording of Wicked, performed by Idina Menzel as Elphaba. The song marks a dramatic turning point in the musical's narrative, where the character confronts her past and rejects the label of the "Wicked Witch." Written by Stephen Schwartz, the track blends pop-rock and theatrical styles to underscore Elphaba's internal conflict and her struggle against societal expectations. It serves as a crucial emotional anchor in the album, highlighting the complexity of her character arc before she embraces her true self. The recording is celebrated for its powerful vocal performance and its contribution to the enduring legacy of the Broadway musical.