Yeah, right. I'm sure you are a nice bloke, just passionate about the scene, but you are in danger here of sounding like a ruddy teenage goth.
There are at least a couple of Northern dance classes I know of, and there have been dance competitions since...?
OK. Go to Westgate in Long Eaton, or Rolls Royce in Derby, or Stoke Kings Hall, or Brighouse, or Riley Smith, or Blackburn King George, or any number of other extremely mainstream, and often downright (close your eyes) enjoyable nights.
It's about as underground as a jumbo jet.