Listen to the sound clip 68. 4747 from YOU DON'T KNOW JACK YDKJ - Video Game Music: 68. 4747 68. 4747 This sound is from YOU DON'T KNOW JACK YDKJ - Video Game Music Video game music from YOU DON'T KNOW JACK YDKJ for DS, iOS, PS3, Wii, Windows, Xbox 360. Published by THQ, Valusoft (2011). Uploaded by Kevin (Maycroft) Harvick. Go to the full soundboardwith more sound clips Search