This has free music and sound effects and it’s easy to search. Go to the YouTube “search” tool and type in “Creative Commons Music.” You can even get more specific and type, for example, “Creative Commons Music Background Chill.”
All the music on the site is exclusive. This means that you won’t find HookSounds music anywhere else. You can use the tracks for personal use for Free, under their use and mention license.
Although it would seem like a self-explanatory website name, you may have to pull out your wallet in some cases. You’re going to find mostly Creative Commons Attribution Required tracks here, but some are “CC-BY-NC”.