News Photo by Darby Hinkley Marquette musician Troy Graham belts out a verse in “Danny Boy” at a free concert featuring Irish folk music on Tuesday evening at Alpena County Library, hosted by the library and WCMU Public Broadcasting. Graham brings his notable Irish, foot-stomping music and good vibes to Alpena several times per year. The Stillion Room full of concert attendees clapped, laughed, and sang along with Graham as he performed traditional dancing songs, sing-alongs, and original songwriting.