2012 World's Biggest Songs

The greatest tunes in the last 12 months

Who'd have thought it? If you'd said at the beginning of the year that the two biggest songs on the planet would have been performed by a 2007 Canadian Idol reject and a slightly overweight South Korean rapper riding an invisible horse then we'd have laughed in your face. But, that's where we are at the end of a remarkable year for pop music, and one that has seen the hitmaking power of radio and TV further eroded and replaced by the ever-increasing viral power of the internet.