My Worlds Acoustic is the first remix album by Canadian recording artist Justin Bieber. It was released on November 26, 2010 and was initially sold exclusively at Walmart retail stores and Sam's Club. The album features nine acoustic versions of songs from his debut extended play, My World, and first album My World 2.0, as well as a new song "Pray." The new versions of the songs were produced by Bieber's music director, Dan Kanter, his vocal producer Kuk Harrell, and also producer Rob Wells. Internationally, the set is included as a part of the compilation album, My Worlds: The Collection, which included songs from the previous two releases. My Worlds Acoustic was released to iTunes, on February 8, 2011.