I imagine the way this usually works is that startups doing anything related to media-sharing get approached by the RIAA. To avoid getting Napstered, they add whatever features demanded by the corporate music plantation owners they represent. Then, maybe, try to figure out how to apply those to work under CC licenses.

As with so many things, the fediverse is a chance to tip this corporatist logic on its head. Start with serving the needs of artists using CC licenses, and go from there.