The girls of SISTAR are receiving compliments from all sides as recent video of them performing 'So Cool' with MR goes viral. MR or music removed videos are known to put the singers talent on the spot and viewers are able to hear the vocals clearly without the distraction of the background music. Recently, SISTAR, known for their amazing vocals have proved their talent with the MR editing of a recent live performance. Netizens who came across this video commented, "Crazy vocals that even MR removed videos can't stand against", "Live performance even beats the CD version" and "Hyorin is a national idol". Meanwhile, SISTAR currently made their comeback with their new song,"So Cool" and currently performing very well on the charts. Watch the highly complimented MR removed video of SISTAR performing, "So Cool": Source & Photo: Newsen via Nate