Today marks exactly 32 years since the first Band Aid version of 'Do They Know It's Christmas' was recorded at Sarm West Studios in London.
The song, of course, has gone on to become one of the most famous charity songs of all time – but how well do you know the lyrics?
Do you mumble your way through the inevitable office party singalong every year, or are you the one leading the show?
Take our quiz below to find out how approving or disapproving Sir Bob would be of you...