Sing along to f(x)'s '4 Walls'

It's for our Monday Music, and its time to sing along to f(x)'s latest track!

Check out the lyric video for f(x)'s '4 Walls'~

♥ Buy f(x)'s 4th album '4 Walls'

♥ More about f(x)'s '4 Walls' here

Credits:
MBCKpop