Performed by the Glee Cast, "Defying Gravity" is a powerful rendition of the iconic Broadway musical number from Wicked. The track serves as a pivotal moment in the show's narrative, where the protagonist confronts her fears and embraces her true self. The Glee Cast's interpretation captures the song's soaring energy and emotional depth, utilizing the group's vocal harmonies to enhance the dramatic impact. Released on the Glee - The Music, The Complete Season One CD Collection, the recording exemplifies the series' commitment to bringing theatrical music to a mainstream audience. The song remains a staple of the show's soundtrack, celebrated for its ability to inspire confidence and resilience in listeners.