I hope you're not referring to me, because I actually explained it fairly well when I wrote my initial post.
Thread
Posts in chronological order
http://www.merriamwebster.com/mw/art/opossum.htm
Just if anyone was wondering.
LOL! :-)
Freddie's voice definitely sounds post-Innuendo. The only (released) tracks Freddie sang in mid-91 were YDFM, A Winter's Tale, and Mother Love. Perhaps there were more, but it's doubtful.