From Led Zeppelin teaming up with Sandy Denny on The Battle Of Evermore to Aerosmith and Run DMC’s groundbreaking update of Walk This Way, rock is littered with killer collaborations. But not every combination is golden - there are plenty of collabs that stink worse than a rancid sock drawer full of out-of-date Stilton. From big name rock stars teaming with furry puppets to A-list metal bands ill-advisedly trying their hand at hip hop, these are the most genuinely head-scratching, WTF collaborations ever.
