Michael Cavanaugh is the new voice of the American Rock & Roll Songbook made famous for his piano/lead vocals in the Broadway musical Movin’ Out. Michael began playing piano at age seven, but an opportunity to play in Las Vegas at the famed New York, New York Hotel and Casino changed his life. It was there that Billy Joel spotted Michael and joined him on stage one fateful night of February 2001. It only took two songs befroe Billy was…