Listen to the sound clip 5. Hidden from Call of Duty: Black Ops II - Video Game Music: 5. Hidden 5. Hidden This sound is from Call of Duty: Black Ops II - Video Game Music Video game music from Call of Duty: Black Ops II for PS3, Wii U, Windows, Xbox 360, Xbox One. Published by Activision (2012). Uploaded by luciferthepet. Go to the full soundboardwith more sound clips Search