It started out at least somewhat stealthy. South popped by early in the evening to claim her two beers. Then, once she had drank both of those, she returns - as Carolina. Really it was just to see if this little trick worked.

It did. She claimed two more beers.

So, as long as she could keep thinking of people to change into who weren't already here and had already used their song, she kept going back. The problem became once you have a few beers, you stop being quite so clever and quite so stealthy.

Was that David Bowie that just strode by? Luciano Pavarotti? Maybe you're in another part of the cave but you swore you just heard Madonna.