I'm Chia-P and I release 2 new tracks every month. I also go by the name ↻ AinnMS, but that's not why I'm here. On Itch.io, I sell usage rights to my instrumentals!
After payment, you are governed by the terms and agreements, which include things like commercial use, official remixes, official covers, inclusion in your monetized video/game and whatnot! See description for details.