This mod adds the AC7 main menu theme and "Fort Grays Air Base Hangar" theme as menu tracks

AC7 main menu

Fort Grays Air Base Hangar

Installation:
-Extract the AC7musicmod folder from the rar file
-Open the AC7musicmod folder
-Drag "AC7HangarTheme" and "AC7MenuTheme" into your mod-overrides
-Enjoy!

Update: I boosted the volume of the main menu theme since it was pretty quiet.