(August 25 , 2011 ) Last Thursday night at the Rose & Crown, a popular island nightspot, Nantucket resident Luke Murphy, coffee-roaster and manager at Nantucket Coffee Roasters, took to the stage and grabbed the microphone, spouting skillful Eminem rhymes and House of Pain lyrics to incessant cheers from the crowd, marking another successful night of karaoke, which the bar hosts every Thursday ......