If it's free for the public to see, the copyright owner of that music can make a claim and remove your video. And yes, YouTube is notorious for making your favorite videos disappear because of this.

What is royalty-free or no-copyright music and where do you find it? This is where I got my royalty-free music: <a href="https://1.envato.market/c/2500859/115 ...

In this age of technology, the art of music production has really reached new heights. From a novice creator to an accomplished musician, everyone can now make ...

but the costs of services such as Spotify and Amazon Music are rising all the time. That's where free music apps come in, with many platforms offering millions of songs (or radio stations and podcasts ...