It wasn't the RIAA but Cage's publishers. As the article points out, he credited Cage as co-composer; that made it a derivative work, so they sent him their standard mechanical license form.
On a filk album, you'd have a pretty good case that it's covered by the parody exception in US case law.
Re: As a matter of fact...
It wasn't the RIAA but Cage's publishers. As the article points out, he credited Cage as co-composer; that made it a derivative work, so they sent him their standard mechanical license form.
On a filk album, you'd have a pretty good case that it's covered by the parody exception in US case law.