The earliest version of the tune to appear with lyrics, found thus far, comes from a broadside printed around c. 1830.
In addition to the normal 3:32 version the album contains a full 15-minute version of the tune.
There are numerous versions of both the tune and lyrics.
Barry Dransfield recorded an unusual instrumental version of the tune.
An instrumental version of the tune was used for the show's closing credits.
The 1996 film The Substitute used a new version of the tune in its soundtrack.
Jones' recording became the first of many hit versions of the tune.
Recordings exist of two versions of the tune for this.
Two versions of the tune were used for the opening titles.
A newer version of the tune is currently in use since 2005.