Watch: f(x)'s '4 Walls' stage from Music Core's November 14th Episode

It's time to dance to f(x)'s electronic dance music!

Here are Victoria, Krystal, Luna, and Amber performing '4 Walls' on Music Core's November 14th episode~

♥ Buy f(x)'s 4th album '4 Walls'

♥ More about f(x)'s '4 Walls' here