Multi-award-winning composer Jack Wall (Mass Effect, Jade Empire, Myst), has written the music for Call of Duty: Black Ops II and mastered the soundtrack album at Bernie Grundman Mastering with engineer Patricia Sullivan. Pictured in session at Bernie Grundman Mastering are (l-r): Sullivan; Wall; Brian Tuey, Audio Director, Treyarch; and Alex Hemlock, Music Editor, Composer Assistant.