In the August issue of Q, we counted down the finest collaborations of all time, the perfect unions of two - often unlikely - voices. Now it is over to you to choose which of our top 20 is the best.
Fairytale Of New York - The Pogues & Kirsty MacColl - Everyone's favourite Christmas tune when released in 1987. Recently subject to some short-lived censorship by Radio 1 because of the words 'faggot' and 'slut'.