We've released the soundtrack for All A Board!
Decided to release the soundtrack for our LD47 submission: All A Board - an on-rails loop-based shooter about escaping a mine on a runaway minecart.

The soundtrack is available here: https://soundcloud.com/pichuscute/sets/all-a-board-ld47-submission
And you can try our game here: https://ldjam.com/events/ludum-dare/47/all-a-board