My dad said they made up a version of O'Slattery's Mounted Foot I may be able to trawl it up. He sang the O'Slattery version and I've got a letter from the bereaved parent of a Brigader whose son had told them in a letter of Sam's comic songs.

Oh you've heard of Julius Caesar and the great Napoleon too
And how the Turks and Russians beat the French at Waterloo
But there's a page of history that stll reamins uncut
and that's the gallant story of O'Slattery's mounted foot. etc