f(x)'s new title track 'Red Light' has been released.
Listen and download on iTunes & Apple Music
https://itunes.apple.com/us/album/the-3rd-album-red-light/id896036646
f(x) Official
http://fx.smtown.com
http://www.youtube.com/fxsmtown
http://www.facebook.com/fx.smtown
f(x) 에프엑스 'Red Light' MV ℗ S.M.Entertainment