The children and young people usually perform the nativity play a week or so before.
In one school I eavesdropped on a conversation between the Headteacher and a parent concerning the nativity play the children were to perform.
Many of the stories converge on a school nativity play in south London, then at Heathrow.
Last year's most offensive TV advert was for Mr Kipling mince pies, which showed a woman giving birth during a nativity play.
My daughter has been to her nativity play but i can't get her out of her Mary tabard.