Have you ever been in a conga line and suddenly thought 'What on earth am I doing?'. Or questioned why normally mild-mannered accountants turn into rage-addled loons when they're in a football crowd? Maybe you've wondered why otherwise respectable young ladies transform into bawdy cackle-hags when they're part of a hen night? Well it's exactly this sort of nonsense that Mark Allen will explore in his new solo stand-up show.