Let's have a pop quiz!

[Norm]

Oops, sorry, it was Live Earth. Strange line up but good event, the Live Aid thingy reminded me of it.

Hmm... the target audience seems to have some knowledge of the '70s. So...

"And then there were three..." who had previously been the fourth?

 

[Sysagent]

Peter Gabriel

 

[Norm]

You know, I wouldd have said the same but luckily, I checked before posting the question and we would both have been wrong.

 

[threebikesmcginty]

This thread seems to be struggling with questions that are too difficult! Can we have a clue if it is not guessed after a day from the question setter?

It's not that the questions are too difficult, it's just we don't know the answers to them