Definately main menu feel, but personally, I want something more like MrMeerkat's link, or something along the lines of this:
(for those dicey spaceplane tests) or of course this :
(when you actually make it to orbit)To be honest whenever I play the cowboy bebop or 2001 soundtracks while playing KSP, I have a little nerdgasm....eh, just my opinion. One more thing, there should be some CREEPY music playing when you find an Arch or a Monolith. When you find your first, might I suggest this track (also from 2001):
I'm not suggesting squad rip these tracks into the game, but maybe just produce something with the same feel.
