Editing Change ringing (section)

====Plain Bob====
[[Image:Plain-bob-minor 2.png|200px|right|thumb|The plain course of Plain Bob Minor, shown in red. Note that, for clarity, the row at the bottom of each column is repeated at the top of the next.]]
{{Listen|filename=Bob Minor, Synthesised Bell Sounds.ogg|title=Plain Bob Minor|description=Plain Bob Minor played using synthesised bell sounds. The bells start ringing rounds followed by a plain course of Plain Bob Minor (60 of the 720 changes that are possible on six bells) and finish in rounds again.|format=[[Ogg]]}}
To enable a greater number of changes to be rung without repetition, more advanced methods were developed, many based upon the plain hunt. "Plain Bob" is one of the oldest and simplest of these, and is shown as an example above.

A "plain course" of plain bob minor is shown in [[diagrammatic form]], which has the characteristics:
#all the bells plain hunt, until the treble bell is first, and depending where they are in the pattern, they 
#perform "dodges" in the 3-4 position 
#or perform dodges in the 5-6 positions 
#or sit for two blows if they are just above the treble, then go first again.

The red bell track shows the order of "works", which are deviations from the plain hunt.
#3/4 down dodge
#5/6 down dodge
#5/6 up dodge
#3/4 up dodge
#make 2nds place.
And then it repeats. Each bells starts at a different place in this cyclical order. 
A dodge means just that: two bells dodge round each other, thus changing their relationship to the treble, and giving rise to different changes.

The plain bob pattern can be extended beyond the constraints of the plain course of 60 changes, to the full unique 720 changes possible (this is 6 factorial on 6 bells, which is 1×2×3×4×5×6 = 720 changes). To do this, at set points in the sequences one of the ringers, called the "conductor" calls out commands such as "bob" or "single", which introduce further variations. The conductor follows a "composition" which they have to commit to memory. This enables the other ringers to produce large numbers of unique changes without memorising huge quantities of data, without any written prompts.

Ringers can also ring different methods, with different "works" on different numbers of bells – so there is a huge variety of ways of ringing changes in method ringing.