Hallelujah is a cover of Leonard Cohen's song originally released on his 1984 album Various Positions. All in all, there were more than 180 versions of this song recorded by various artists. Alexandra Burke, X Factor winner, released her cover of Hallelujah in December 2008.

The ten post-millennium songs to have sold over a million copies are:
Gareth Gates – Unchained Melody
Tony Christie/ Peter Kay – (Is This The Way To) Amarillo
Shaggy/ Rikrok – It Wasn't Me
Band Aid 20 – Do They Know It's Christmas
Kylie Minogue – Can't Get You Out Of My Head
Shayne Ward – That's My Goal
Hear'say – Pure And Simple
Alexandra Burke – Hallelujah
Bob The Builder – Can We Fix It?
Will Young – Evergreen'/'Anything Is Possible