Get the Lazy Galaxy: Rebel Story Soundtrack - 7 in-game music tracks made by Roman Lamcev, provided in mp3 format.

Tracklist (all tracks are in mp3 format), 44100 Hz, stereo:
main_1.mp3 - "What is your price" - 03:49
battle_1.mp3 - "Black Ice" - 05:03
battle_2.mp3 - "Guardian Knot, Instrumental" - 04:15
battle_3.mp3 - "Hourglass Figure, Instrumental" - 03:12
battle_4.mp3 - "Six, Instrumental" - 03:09
battle_5.mp3 - "Buried In The Sand, Instrumental" - 04:24
battle_final.mp3 - "Woe Betide, Instrumental" - 05:34

To access the soundtrack: right click on your game in Steam library, select "properties" -> go to "local files" tab -> click on "browse local files." The soundtrack is located in the game's "Soundtrack" folder.