"I am pretty sure that the last time I was at the start of the trespass (Maybe about 2 months ago) the plaque says that the event occured in April 1932, before Mr McColls writing of the Manchester rambler - I could be wrong (and often am!) but I am pretty sure that the event led to the song and not the other way round. "


Yes, John Tams states that in the video before he starts to sing.

I did not state the song came first.