Update: I now moved this article to Christmas and added the nice Pentatonix version at the end. Merry Christmas!
This is Father Ray Kelly singing “Halleluja”. Amazing!
The video has made him a star.
http://www.christiantoday.com/article/singing.irish.priest.father.ray.kelly.talks.new.album.where.i.belong.exclusive.interview/47585.htm
Find him on iTunes: https://itunes.apple.com/us/artist/father-ray-kelly/id944334956
The song was written by Leonard Cohen, who died on November 7 of this year.
This is the Bon Jovi version.
This is the a capella version of the group Pentatonix.