"the Venn Diagram shows overlapping circles."
Then you have to show where they overlap
Where are your versions - where has the song changed ownership - where is it not merely repetition of a standard set of words - why do we have to pay for permission to record it - why is it not in the public domain?
What makes it 'folk' in any definable term?
Never heard of a choir made up of 15,000 football referees - - do they accompany themselves on their whistles?
Jim Carroll