Hey there, I'll remove the PSD, thanks for the heads-up!
You may use this in a commercial project, no problem. If you could credit me for the tracks used that'd be nice - and I'm curious what you're making!
Also if you want more where this came from take a look at the full pack. I just dropped the price from €47 to €27: https://tim-de-man.itch.io/open-air-adventure-game-music-pack