My wife started to sing psycho killer que-ce-que-c’est and then my 12 year old daughter answered fa fa fa fa fa fa fa fa fa fa and I said how do you know that? And she became indignant, you don’t think I know anything! But it was written 40 years before you were born, I said. She stormed off tightly gripping her Klaus Nomi and Lene Lovitch records under her arms.