B-Sides, also known as Let Go: B-Sides, is a promotional album by Canadian singer-songwriter Avril Lavigne. It was published before debut album Let Go by Arista Records in 2002. The compilation contains demo and original tracks not included in the final Let Go release. The songs were written and produced in 2001 under the management of Nettwerk in Los Angeles by Lavigne, the production team The Matrix and songwriter Cliff Magness after Arista sent her to McBride CEO of Nettwerk in the attempt to fit her image and attitude with her voice.:165 Though Lavigne would release Let Go through Arista, she continued with Nettwerk for her management.
The demo "I Don't Give" is an explicit version, while the clean version is on Lavigne's single "Complicated". In the explicit version, she sings "I don't give a damn; I don't give a shit". In the clean version, she sings "I don't give it up; I don't give a damn".
There are two versions of the song "Get Over It". In the version on B-Sides, Lavigne sings "Don't turn around, or you will get punched in the face". In the version on the "Sk8er Boi" single, Lavigne sings "Don't turn around, I'm sick and I'm tired of your face".
Lavigne recorded two different songs called "Take Me Away": one on this album, and the other on Under My Skin (2004).
"Falling Into History" was covered by Brie Larson in 2005.