I thought you might be interested in looking at How to add custom music in mission?.
https://forums.bohemia.net/forums/topic/21950-how-to-add-custom-music-in-mission/?do=findComment&comment=247042
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.