@YouTube why do I have to dispute every video I post when I am getting the music from a site that give non-copyrighted music? It’s annoying and frustrating.
Music from 3rd parties aren't guaranteed copyright-safe–we have hundreds of them though in the YT Audio Library: https://yt.be/help/qcbR Copyright is a huge priority for us and our team is working to make the system better & easier to navigate. More: https://yt.be/help/claims-FAQ