It’s been 40 years since Bob Geldof and Midge Ure created a supergroup of music stars to record an epic charity single.

Do They Know It’s Christmas? went on to sell over two million copies worldwide, raising more than $24 million for anti-famine efforts in Ethiopia.

Since then, the charity has released Band Aid II and a new version of the single with contemporary artists to commemorate the 20th, 30th, and now 40th anniversaries of the original.

Band Aid hasn’t been without its…