THIS ISN'T AN APRIL FOOLS GAG: Tickets for Glastonbury go on sale at 8pm tonight. But to use the tickets, you'll have to show a utility bill at the gate. Yes, really. Never mind that the sort of people in households who go to Glastonbury are less likely to be the name on the electricity bill, what sort of potty idea is this? Are people really going to be held up at the gates waiting for someone to fish the Powergen bill out their handbag? And what about people who pay their bills online and don't actually have bills sent to them?