Charity singles: how much attention have you been paying attention? Band Aid 30 version of 'Do They Know It's Christmas?' is released today to raise funds for victims of the Ebola crisis, marking the 30th anniversary of the original single. Artists taking part include, One Direction, Coldplay, Ed Sheeran, Emeli Sande, Bastille, Ellie Goulding, Jessie Ware, Paloma Faith, Sam Smith and Olly Murs. Bono is expected to sing the line 'Well, tonight thank God it's them, instead of you' as he did in the original song and Band Aid 20 in 2004. For the day that is in it, test your charity single trivia with our quiz.