Backstage at the Royal Festival Hall around 1980 I recall this public information poster. Heading a map of the Thames, showing areas of London at risk of flooding, was the stern question

In that selfless spirit of social involvement that makes musicians’ life so enriching, someone soon added a reply:

Breaststroke *

Another seasoned free-lancing wag added, in an incisive piece of reflexive ethnographic commentary:

Accept a gig in the north of England

* Also the punchline to “Waiter, what’s this fly doing in my soup?”