OK....well that demolishes my earlier theory!
But just to evolve the thread once again...I don't know how many people on here visit Andrew Jackson's brilliant website on the Pals. It is regularly updated and the last update was the end of June. This is probably the best yet, with footage of the Pals marching, back in Accy in 1915. Here is the link:
http://www.pals.org.uk/film/film1.htm