Over the years, Old Trafford has developed a reputation for being almost funeral-like in terms of the lack of noisy fan support.
Former captain Roy Keane once hit out at the "prawn sandwich" eaters who don't get behind their team enough during home games (The Guardian).
While the fiery Irishman has a point to a certain extent, the Red Devils have some of the most loyal and passionate fans on the planet mixed in with the usual glory supporters.
Over the years, these die-hard followers have developed countless chants in support of their team. These tunes are sung both home and away and in the pubs and on the streets before and after games.
Here are five of the best.