Composer Jack Wall says for him the most important quality of Call of Duty's Black Ops series is that it's cool, and you should feel cool playing it. Call of Duty Black Ops - Cold War , created by Treyarch Studios is the fourth Black Ops game Jack has scored. He used the game's setting in 1981 as the inspiration for a cool, tension-filled soundtrack. The game's story mission follows CIA officer Russell Adler and his small team of ops as they pursue an agent code-named Perseus, a suspected Soviet