Fortieth-anniversary edition is spliced together by Trevor Horn from previous versions of the song, including snippets of George Michael, Ed Sheeran and more

For 40 years, Band Aid’s Do They Know It’s Christmas? has been praised by some as a triumph of charitable fundraising and festive songwriting – and condemned by others as the most high-profile example of white saviourhood in pop.

Now, to mark its latest anniversary, the song is coming back around for a fourth time, in the form of an all-star splicing of the three previous official versions.