On the Press Room's own site I see this:
"The Great Bay Company performs Celtic classics and sea shanties from 4:30-9 p.m. as they have for over 25 years, no cover.
"http://www.pressroomnh.com/calendar.cfm So that's likely what Micca has in mind regarding Friday?

Perhaps you'd get a quicker reply via PMs to folks like jacqui.c or Sinsull or Batgoddess. Sorry I can't help further.