Jack wall, composer of black action, brought theme music to call of duty 17: black action cold war. Developer treyarch has confirmed wall’s involvement in the game and has released theme music in the 1980s and cold war style. < / P > < p > wall told spin that he used many soft synthetic instruments to create a “dark, shadowy” feel suitable for the era. < / P > < p > I want to create something for the main menu that says “the cold war” very clearly: Reagan, Brezhnev, the Soviet chorus. ” “I wrote an obvious Soviet theme of that time, a mixture of Soviet choruses, orchestras, and deep synthesizers. Make music and sounds of the 1980s, so that players can experience the darkness and shadow of the era of Cold War politicians like Reagan and Brezhnev < / P > < p > wall also wrote music for action black 2, action black 3 and action black 4. Beyond the call of Duty series, wall is known for his music for mass effect 1, mass effect 2, emerald Empire, cell division, and lost planet 3. Apple extends AppleCare + purchase period: users can decide within 60 days