While the official Ghost Protocol soundtrack consists entirely of an orchestral score by , "Won't Back Down" served a specific role in the film's promotion:
Eminem's "Won't Back Down" featuring Pink is not part of the official Mission: Impossible – Ghost Protocol score or soundtrack album, but it was prominently used as the .
The song’s high-energy, defiant lyrics were used to underscore the action sequences in the main trailer.
Featured in Call of Duty: Black Ops both in the trailers and as a musical easter egg in the "Five" Zombies mode map.
Performed live by Eminem on Saturday Night Live and Late Night with Jimmy Fallon .
