"Don't Forget" is a song by American singer Demi Lovato, from her debut album of the same name. It was written by Lovato and the Jonas Brothers, who co-produced the song with John Fields. It was released as the album's third and final single in 2009, through Hollywood Records. The inspiration of the song came from Lovato falling in love with someone who later left her. According to Lovato, it is one of the songs on the album that she most relates to. Musically, "Don't Forget" is a midtempo glam rock ballad that features Lovato singing with breathy falsetto vocals. An accompanying music video was released on March 2009.