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At the beginning of 2013, Avicii announced that he wanted to create the world's largest collaboration, and invited artists all over the world to contribute to the new track. Over 4,000 artsts joined Avicii in his project, with collaborators from 140 countries, including the US, UK, India, Argentina, and more.

Over the course of a mere month, close to 13,000 contributions were sent to Avicii, in the form of melodies, basslines, beats and rhythms, breaks, and effects.

Now the world's largest collaboration, "X You," has finally been unveiled. Listen below: