They're free licensed...if that's even a word. If I'm completely honest, I don't know much about copyright laws and such and such. I just make music.
Viewing post in Generic PSX Horror Music comments
i, and i also imagine many others, would feel uncomfortable using a free asset without a license listed, so it'd be nice if you added one. If you want a simple to understand one that allows people to use it freely but requires crediting you, i'd recommend the CC-BY license, you can read more about it here