Nothing Can Improve The Halo Theme Song... Except CowboysNathan Grayson11/18/14 8:00pm3223EditInvite manuallyPromoteDismissUndismissHideGo to permalinkIt's one of the most iconic theme songs in video games. It's been performed by everything from high school bands to world-renowned orchestras. And yet, I feel like something has always been... missing. That thing? Cowboys. Definitely cowboys.