During 'Saturday Night Fever' at the end of the first act dance number I tried to perform a split-jump, only I can't do them so I ended up on my ass followed by the most unsightly backward roll out of it, followed by the cast falling over in laughter and a good portion of the audience too.
This is the problem for which revolutionary theory has yet to find the right solution, if there is one. The difficulty is that the economic interests of the two classes are antagonistic.

