CG, that indeed was no doubt the crime except that I don't think the squaddies knew that at the time.
It might have been like at the Lazy Leopard Lounge, tiered seating and everyone singing like a Glee Club. Naturally we did not know the words and thought that Ilkley Moor was a better song. We were encouraged to give a rendition which, IMHO, despite the vast quantities of Storz already consummed was rendered well.
However this Brit Nav down the front took exception and tried to get us to shut up until in turn he was told to be quiet by the Pianist