This contains the full soundtrack for Deepest Trench plus any test songs, or otherwise unreleased tracks.
The songs in this OST can be used in any videos or live broadcasts as long as those videos or live broadcasts are not being used to advertise in any way. Further, directly reuploading the songs in this OST with no other content is prohibited.
The intention is that you can use the songs as background music on your Twitch Streams or YouTube Streams/Videos without worry of DMCA. Not to include the songs in advertising stuff or put them in your games or trailers.