This is Exercise #20 of the twenty-five Exercises in Song for Christmas 2008.
"Unexpected " originally appeared on p195 of Raymond Queneau's Exercices de Style in the 1998 Calderbook translation.
To be sung to the tune of "Show Me The Way To Go Home". More information here.
"Well, what a racket I heard!"
"You'd gone on a pub crawl, after all."
"Yeah, but this guy was singing about how he was tired-"
"I bet: and 'emotional!'"
"He tapped me for a quid,
But then later flipped his lid,
And he asked this stranger to show him home-"
"Yes. Here I am, 'cos he did."