http://www.bbc.co.uk/iplayer/episode/b00wldzw/World_on_3_Christmas_Eve_Special/

Available on the iPlayer here (presumable UK only).

Starts at approx 43 mins in. Lovely stuff, thanks for the heads-up!

To (mis?)quote a certain magazine's cover strapline of a good few years ago - English folk music - the last undiscovered corner of world music.