"Get Back" is the debut non-soundtrack single by American singer Demi Lovato. It was written by Lovato, Joe Jonas, Nick Jonas and Kevin Jonas and produced by the Jonas Brothers alongside John Fields, for Lovato's debut studio album, Don't Forget. The song features Jack Lawless on drums and John Taylor and the Jonas Brothers on guitars. The initial writing of the song took place when Lovato wanted to write a song about getting back together with an old boyfriend, as opposed to writing mean or heartbroken songs. "Get Back" was released by Hollywood Records as the lead single for Don't Forget on August 12, 2008. Musically, the song is an upbeat punk rock song with a guitar-driven sound.

Demetria Devonne "Demi" Lovato is an American singer, songwriter, and actress. After appearing on the children's television series Barney & Friends (2002–2004), she rose to prominence for playing Mitchie Torres in the musical television film Camp Rock (2008) and its sequel Camp Rock 2: The Final Jam (2010). The former film's soundtrack contained "This Is Me", her debut single and duet, which peaked at number nine on the U.S. Billboard Hot 100.