YouTube has published a list of its top trending videos of 2012, which is led by Psy’s Gangnam Style.

In a post published on its blog, the video giant revealed that the Korean rapper came No.1 in with his dance-fuelled video and was followed by band Walk Off The Earth at No.2 with their kooky take on Gotye’s worldwide hit Somebody That I Used To Know.

Other notable music entries in the Top 10 global trends were Carly Rae ...