K.Will and SISTAR’s Hyorin Perform “Have Yourself a Merry Little Christmas”

With Christmas just a few days away, Music Core prepared several special performances for for fans. Today K.Will and SISTAR’s Hyorin had their duet performance of the classic Christmas song “Have Yourself a Merry Little Christmas.”

Yesterday on Music Bank, label mates K.Will, SISTAR and Boyfriend performed “White Love.”