Also note that Lemmy called the band *******s when he formed it, only changing it to Motorhead when their manager told them they couldn't be called *******s, because he couldn't get them on TOTP with that name. I believe Lemmy then challenged him to get them on TOTP, he did, and they played...
Slight variation on the theme, let's have some songs written by bands or artists that are specifically about another band or artist. You might need to explain who the song is about if its not clear. I'll start you with:
Phil Lynott - Kings Call (Elvis)
Motorhead - R.A.M.O.N.E.S