02 January 2013 16:15 | By Francis Whittaker
The world's biggest songs last year

The tunes you won't have been able to escape during the last 12 months...

Taylor Swift, Carly Rae Jepsen, Psy (© Reuters)
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Who'd have thought it? If you'd predicted at the beginning of last 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 2012 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.

So, what have been the world's biggest songs last year? Click on for 11 2012 tracks that have become truly global phenomena.

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