Whoops, a bit over-eager on the 'submit' button there.

'The Folk Song Army' was, of course, written by Tom Lehrer and shows just how much use songs have in changing the world. None whatsoever.

To paraphrase Martin Carthy: "it is a propaganda lie that violence or the threat of it will get you nowhere."

It's the people with guns that run the world - always have, always will. Try singing to a cruise missile and see how far you get.