idk
Hmmm. I can't even get Google to find anything for 2023.

In 2023 did it have any other title?
Do you have any more info for the 2023 weekend?
(links,,, performers,,,)

UK Folk Festivals www.ukfolkfestivals.co.uk/viewall.php has one listed for July as 'Durham Brass' :
An explosion of bands and performers combining brass with folk, opera, dance and spectacular outdoor theatre
https://brassfestival.co.uk/

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Might be worth asking on FB :
Durham Folk Sessions
https://facebook.com/groups/DurhamFolk

Durham City Folk Club
https://facebook.com/durhamcityfolk

Folk Roundabout
https://facebook.com/profile/100088491627636

North East Folkies
https://facebook.com/groups/NEFolkies