This album is under Creative Commons 0 licence. You can use it in a commercial way, remix it how you want, without attribution. https://creativecommons.org/publicdomain/zero/1.0/deed.en 
The only thing you can’t do is privatise this album (like, putting Content ID to strike the use of the music of this album). 
For more infos or question, contact me at contact@loyaltyfreakmusic.com