"Innocence" by Avril Lavigne is a song that was originally performed in the key of C major. It was released as a single from her third studio album, "The Best Damn Thing," in 2007. Avril Lavigne, a Canadian singer-songwriter, is the performer and co-writer of the song along with Dr. Luke and Butch Walker. The track showcases Avril Lavigne's signature pop-rock style and reflects on the innocence and vulnerability of youth. As for trivia, "Innocence" was featured in the 2007 film "Eragon" and was also included on the film's soundtrack. The melody is characterized by a catchy, upbeat verse and a soaring, emotionally-charged chorus, showcasing Avril Lavigne's powerful vocals.