A Fairport Convention documentary…
https://www.youtube.com/watch?v=xtms24UBn08

A playlist of Fairport Convention stuff…
https://www.youtube.com/watch?v=eLWlqqAjRI0&list=PLYmt__mh4n4O6lwY4HDoPyLfmqJlvohUM

And by far the most important, a Fairport Convention TV gig from 1970 with the Full House lineup. It’s traditional style English folk crossed with speed metal. Or, the speed of speed metal at least.
https://www.youtube.com/watch?v=SQsMdKcXyRE