Folk songs often have a lot more to them than meets the eye - a song of the Black Watch is "Wha Saw the 42nd?" ("Who saw the 42nd?"), but this was in fact a reworking of a Jacobite song called "Wha Wedna Fecht for Charlie?" ("Who wouldn't fight for Charlie?") - the Black Watch were very much an anti-Jacobite militia in origin! Here's my youngest son Jamie giving it lally....!
Thanks wee man! (He's been practising it for a Burns competition!)