Even though it is often barely considered in idle-games, I believe background music can be a big part of a game's context.
In searching for good music that accurately reflects the multiple locations in Razor Trail Survivors I came upon the work of Stan Andosan.
We exchanged a few e-mails and a day later he was coming up with parts of a great soundtrack. It's still a work in progress and nothing is yet decided, but here are a couple of teasers for you:
I look forward to hearing your comments and feedback!