A Puerto Rican, a South Korean and a New Yorker
walk into a bar...

No, wait.  This is not a bar joke.  It's about three guys who stun an audience with their singing with their rendition of ‘Pie Jesu’.  And before a huge American audience it glorifies Jesus.  Praise His name. 

See http://www.flixxy.com/forte-americas-got-talent.htm