Fibula, you're right it's been done before - both the allegory and the complaints about a real session. In both cases, it comes down to nothing more than manners.

Mick, my friend, I love you dearly but you are FULL OF SHIT! Being inconsiderate?! We (I) nagged you to sing and you did. You may have not been sure of "the lay of the land," but you fit right into it! And please excuse me, but I seem to have used up my quota of exclamation points. Ask me about "Wrong Friday" Finn at some point, eh?