it's a personal decision we all have to make, I'm ok listening to most music apart from artists where pre pubescent boys and girls have been involved, so Glitter is just about in, Jackson out, of course it helps a lot if you like the music.
It doesn't make much difference, to me, whether they been found guilty in a court because that's down to luck, who they know (Savile, Cyril Smith etc)lawyers, what country the case is heard in, and the jury
We did Another Rock and Roll Christmas for a couple of years with no problems, went down rather well