"Gangnam Style" Psy's live concert in Seoul was chosen as most watched live concert this year.

Psy's concert in Seoul this past October, 'Seoul Style Concert', ranked number1 on the live streaming platform, UStream as the most watched live concert this year.

Today, Ustream announced that his concert was watched in over 145 countries and viewed 160,000 times in the 2 hours it was streamed live. 

The 'Top 12 Live Moments of 2012' can be seen on the Ustream website.