The original Band Aid performers in 1984Bob Geldof has revealed that a new version of Do They Know It’s Christmas? is being released, to commemorate 40 years of Band Aid.The charity single first debuted in the lead-up to Christmas in 1984, with musical heavyweights like George Michael, Sting, U2 frontman Bono and Simon Le Bon all lending their voices to the original version of Do They Know It’s Christmas?.In the last four decades, the track has been re-recorded on three different occasions, with new contemporary stars putting their vocals on updated versions.On Wednesday morning, it was revealed that plans were in place to commemorate the song’s 40th anniversary.However, rather than re-recording it for a fifth time, this year will see the release of an “ultimate mix” of Do They Know It’s Christmas?, featuring “