[HD 60fps] 151029 - f(x) [에프엑스] - Diamond + 4 Walls - M! Countdown (엠! 카운트다운)

f(x)’s performance of Diamond 4 Walls (Comeback Stage) on Mnet’s M! Countdown on 29th October 2015 (2015-10-29). To watch in 60FPS, set the quality to 720p60/1080p60 and use a compatible browser (Chrome, Safari, IE11, Edge) or the latest version of the YouTube app for iOS or Android. Footage courtesy of C40H64O4.