giles earle, that seems most convincing to me.

(Thorns Þ and þ are best produced using HTML escapes Þ resp. þ. Obviously you know how to do this, since ȝ for ȝ is correct.)

I love it, both the Latin rhymery (Veni, vena veniae) and the cheeky ostinato. Obviously a verbatim quotation from a longer folksong is being (ab)used.