There was a time when attending a Manchester United game at Old Trafford meant experiencing a raucous cacophony of sound from the stands. It still happens from time to time, of course, but it is saved for the big occasions—Champions League knockout games and clashes with Liverpool and Manchester City, for example.
As recently as the 1990s, this was not the case, but football's culture has changed. The advent of all-seater stadia has played a part—gone are the days when like-minded singers could gather on terraces. That has affected many of the country's big clubs.