Hi Charley
Besides sending you a PM, I forgot to mention that I think your repertoire will fit in really well here, so sing your shanties without fear!
The Shannon is a sing around with many people doing chorus songs. Friday nights around 9.30pm to midnight.
There are no other sessions for singers except for ones that we can organise for you!
I´ve also just re-read your posting and notice that you´re coming in December. Early rather than late December is best, as we tend to close down over summer (from, say, a week or 2 before Christimas and through January).
best wishes Callie