Its basically a Ceilidh, and anybody is allowed to play in the band or be the caller or indeed dance the night away. It costs a quid to get in.
You get people from all over the place coming along and playing, including Banjo Flower and 12String Growler.
I rate it 100%

Here is the link
http://beehive.thisisgrimsby.co.uk/default.asp?WCI=SiteHome&ID=9525&PageID=52931

Cheers
Les