What is the name of the song they used in Rebecca Ferguson's X Factor audition tape?

I always hear the song that is used in Rebecca Ferguson's audition
tape on the X Factor, but I don't know the name of the song or who it
is by. http://www.youtube.com/watch?v=ISndg5sNXvM Here's the video
it's used in and starts at 1:10-1:60. It's such a beautiful song and I
must know what it's called and who it is by.