https://www.cnet.com/news/youtuber-says-he-was-accused-of-infringing-his-own-song/

Paul Davids plays guitar. A lot of guitar, for a lot of viewers. This video, of him playing "25 badass guitar riffs," has 7.9 million views.

And because he plays popular guitar riffs, he's no stranger to YouTube's Content ID system, an automated tool that threatens to remove videos that include someone else's copyrighted tunes. (Creators can appeal for a variety of reasons.)