Seems to be a generally known fact that Sharp more than likely "cleaned up" the songs he collected. So, does it really matter now...? Apparently only to some. That was then, this is now... you can't re-write what has gone before.Re-interpret... yes, which has been done by the likes of Fairport Convention, Anne Briggs etc.

"The Imagined Village is arguably the most ambitious re-invention of the English folk tradition since Fairports' Liege and Lief"

As for this claim...we'll wait and see. Meanwhile I'll continue to play Liege & Lief