
This Jazz Is Classified
ClassifiedBlack Ops 4
Updated: February 11, 2026
•1 min read
This Jazz is Classified
This side quest has players interact with five terminals in the War Room: Lower Level, each of which will emit a morse code number (1-5). You must interact with each terminal in order of 1-5, to activate the music easter egg song "This Jazz is Classified" by Jack Wall.
Terminal Locations





