
This Jazz Is Classified
Classified
Black Ops 4
Updated: October 22, 2025
•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





Official Song
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