"Got to bring your moisturiser, look like a bloody reptile tomorrow otherwise...." Offcuts of overheard conversations can be as memorable as the opening words of the Gettysburg Address for me.

This was the four score years and seven I heard yesterday spring out of a bull session going on between the members of an elderly punk rock band on a train going to Doncaster. It cried out to be written down. Not that one or two of the band did n't look too unlike balding iguanas either...