The problem with existing copyright is it's written by record labels in order to screw customers and musicians instead of being written to screw record labels in favor of customers and musicians.
You want something that makes it so a signed artist can't just do a cover of an independent artist's song, or use it in advertising, without paying. You don't want anti-circumvention laws that lock down consumer devices. But the laws do the latter -- which facilitates the monopolization of distribution -- and then artists de facto lose the former because once there's a cartel you're under pressure to sign with the record company and lose the rights to your music.
You want something that makes it so a signed artist can't just do a cover of an independent artist's song, or use it in advertising, without paying. You don't want anti-circumvention laws that lock down consumer devices. But the laws do the latter -- which facilitates the monopolization of distribution -- and then artists de facto lose the former because once there's a cartel you're under pressure to sign with the record company and lose the rights to your music.