Input (grade 8): "My Happy Ending" is a song written and produced by Avril Lavigne and Butch Walker, and engineered by Russ T. Cobb for Lavigne's second album, Under My Skin (2004).
Output (grade 11): My Happy Ending is a song written and produced by Avril Lavigne and Butch Walker for Lavigne's second album, Under My Skin (2004).