I find it amusing that, right at the start of the thread 'The Cuckoo's Nest' was suggested by Danoota and quickly dismissed.

Now however seven months later, we have Martin Carthy's 'The Bedmaking', decided upon as the right answer.

If you look at the sleeve notes for Crown Of Horn, you will find that Carthy comments:

"It was the redoubtable Mrs Marina Russell of Upwey in Dorset who gave the tune, a version of The Cuckoo's Nest, to the Hammonds at the turn of the century."

But there you go...