I have a bunch of orchestral/world music songs on OpenGameArt and itch.io.
All of these songs are CC0 License ( http://creativecommons.org/publicdomain/zero/1.0/ ) and free to use for whatever you want.
Credit is appreciated but not required.
Cover art is derivative of “Planet Earth by Pixabay” https://www.pexels.com/photo/planet-earth-87651/ and “An Orchestra Performing by AfroRomanzo” https://www.pexels.com/photo/an-orchestra-performing-4028878/ (CC0 – http://creativecommons.org/publicdomain/zero/1.0/)