I'm a fool. Regarding fiends been watching too much 'Good Omens' on Catch-up TV obviously! Tenant and Sheen both brilliant.

By the way, as so often there is a very readable piece by Vic Gammon which covers areas we (ok I) have been groping my way through.

https://www.academia.edu/5385241/The_Early_Recordings_of_The_Copper_Family_of_Rottingdean_Commentary

And he also has a piece on the actual music so full marks from me for him.