America's Got Talent Mondays & Tuesdays on NBC» Subscribe: http://full.sc/IlBBvK» Full Episodes: http://www.nbc.com/americas-got-talent/video/Jackie Evancho amazes the crowd with her powerful opera singing during the America's Got Talent YouTube Special.Get more America's Got Talent:AGT on Facebook: http://full.sc/LhJ3J9AGT on Twitter: http://full.sc/KnCoO4AGT: http://full.sc/IoERIgGet more NBC:NBC Twitter: http://twitter.com/NBCNBC Facebook: http://facebook.com/NBC