A first-person shooter, no less: picture yourself looking down the barrel of a futuristic assault rifle and going absolutely nuts with the headshots while listening to the soothing voice - or, perhaps, at least the bass - of the man who once sang, "take these broken wings and learn to fly."

McCartney has reportedly been working on the score since 2010. He also wrote the game's theme song, recorded by 120-strong orchestra, which will be released as a single on Sept. 9.