f(x) - Red Light (audio comparison)

The purpose of the video is just to explain what “live MR“ is and why it is used, which results in two different vocal tracks from two different performances sounding exactly the same, even though it still sounds as live singing. I love f(x), and I love this new release. I just wanted to clarify some stuff, and I hope SM let them perform at their full potential on future shows. I think SM has done this since Mr. Mr., but I wasn’t really sure until Red Light. If we paid to watch those performances, it could