Beloved Irish band, with special guest Dave Curley, returns to Camden Opera House, 29 Elm St., for another joyous holiday season concert, sponsored by Camden Maine Stay Inn and 40 Paper. Tickets are $54 in advance/$64 day-of-show; choose your own reserved seat online/next-best-available assigned at door. Tickets via camdenoperahouse.com or (207) 236-3154.