Be careful of street performers playing ukuleles, particularly if you're a politician on the campaign trail.
Prime Minister David Cameron was out campaigning ahead of next month's UK general election at a public meet and greet Monday in Alnwick, Northumberland, when he was confronted by an expletive-ridden ballad.
"Fuck off back to Eton with all your Eton chums," the man sang out, referring to the school Cameron attended as a child, undeterred by Cameron's security detail.