This 2018 interview with Emily Richards (aka #MadameSnowflake), highlights a range of issues #ccMixter have had with CC-license compliance on YouTub. Things I hadn't thought of too, like how to detect posting other people's CC music as if you're the creator;
https://www.musicmanumit.com/2017/12/emily-richards-of-ccmixter-171231-music.html
Makes me wonder how all this could be handled on PeerTube servers, and other media hosts in the fediverse, to make the experience better for both artists and hosts.