f(x) 에프엑스 4 Walls MV

f(x)’s 4th album “4 Wall” and the music video of their lead track “4 Walls” have been released. Listen and download on iTunes & Apple Music https://itunes.apple.com/album/4-walls-the-4th- f(x) Official http://fx.smtown.com http://www.youtube.com/fxsmtown http://www.facebook.com/fx.smtown f(x) 에프엑스 4 Walls MV ℗ S.M.Entertainment