Alex Dickson of Gun/Bruce Dickinson's Skunkworks was in Robbie Williams' band

Monte Pitman of Prong was in Madonna's band, their's footage of them playing Pantera's Primal Concrete Sledge. He's also played for Mel C, Sophie Ellis Bextor and Adam Lambert.

I did read that Take That's backing band are from a prog outfit, who managed to squeeze Yes tunes into the segueways between songs. Forget their name.

Blues player Joanne Shaw Taylor has done live work with Annie Lennox and was with her at the Jubilee concert.

And, lest we forget, what earned Mike Gray £250k:

here