Salem

Is one of the music tracks that play when you are above ground the same as one from Kerbal Space Program?

most if not all the music comes from incompetech.com
royalty free music, good quality too. Anyone can use it. including Kerbal

I hope they put more of it in, would be cool to have specific tracks for when your on your homestead in a town etc. Maybe even some for the darkness and some that's biome specific.