Queen performed it live with Zucchero at the Freddie Mercury Tribute Concert in 1992. The (almost) complete show is available on DVD.
Brian May has also sung the song on several occasions during his 1998 tour, but I'm afraid I don't have an mp3 handy...
V.
Damn, I'm not gonna spend rest of my days in my very own Serry's archive of Queen's recordings looking for HQ recording, so here's Brian's LPDA in crappy quality and in crappy bitrate. link
Join The Hub, man!