North Lincolnshire shares phonological attributes with Scouse, like the nurse-square merger, and I lived with a Brummie, a Welshman and a Scouser at uni - in deepest darkest South Yorkshire - so I'm well inured to some of the UK's more... unique... accents.

Surprised the advertising didn't make it as far as your part of the world as the organiser said he'd really pushed out the boat in terms of promotion budget.
Last I heard (last weekend) more than three-quarters of the stalls had been booked for a venue of about 400 capacity, with more still booking.