Thanks for that, Stewart. And thanks for introducing me to Couth Buzzard Books.

One thing about the lyrics - I hear: "There is darkness in these hills, but I am not afraid"

Erica Wheeler uses a different melody, and I like it a lot: https://www.youtube.com/watch?v=sE-47P98MNU

The interpretation by Laurie Lewis is similar: https://www.youtube.com/watch?v=kijhrX7rlxE

I wonder if this link is more likely to work in the UK: https://www.youtube.com/watch?v=HKjcPACUlog