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...

f(x) Official
http://fx.smtown.com
   / fxsmtown  
  / fx.smtown  

f(x) 에프엑스 'Red Light' MV ℗ S.M.Entertainment