In front of a mesmerized live audience in Poughkeepsie, N.Y., powerful Irish singing group Celtic Thunder performs heartwarming holiday favorites and original tunes, including "Winter Wonderland," "Silent Night," "Christmas Morning Donegal" and more. Comprised of vocalists Damian McGinty, Keith Harkin, Paul Byrom, Ryan Kelly and George Donaldson, Celtic Thunder shares its potent and beautiful brand of music in this inspiring performance.