A few years back David Gilmour was wandering the streets in Venice with his wife, ahead of a show at St Marks Square.
They came across a street musician making music with wine glasses.
Impressed by his talent, Gilmour asked the man if he would play with him in concert tomorrow night.
At the show Gilmour announces to the crowd that he is joined by a man who plays in the streets of venice everyday and that he will be playing the wine glasses.
This would have been an awesome concert to see.