intense orchestral music, military drums, suspenseful strings, dynamic brass, ambient warzone sounds, first-person shooter game, Call of Duty 4: Modern Warfare, cinematic score, adrenaline-pumping, stealth operations, sniper focus, night vision green hues, urban warfare, Middle Eastern setting, Russian antagonist, high-stakes missions, heroic themes, electronic elements, choral accents, action-packed, dramatic build-ups, immersive audio experience, surround sound, video game soundtrack, Hans Zimmer influence, fast-paced, tactical espionage, covert operations, modern combat scenarios, epic battles, multiplayer tension, iconic main theme.