Today, the boys of BEAST visited Mnet's M! Countdown to perform their latest hit track Shock! Check out their shocking performance below! http://www.youtube.com/watch?v=NHZ1WhIQsNg With BEAST topping the album sales chart in Hanteo, it is safe to assume that BEAST's comeback was a big success! Now their next goal should be winning one of the music programs' chart...