Gain & Sunmi have a special performance at Music Core FeaturedDKPOPNEWS OfficialMar 08, 2014 Share 0 comments Gain and Sunmi performed a special stage on the 400th episode of Music Core.Gain performed Sunmi's 24 Hours while Sunmi performed Gain's previous hit song Bloom, enjoy their performance belowWho did better? Tags: Featured, Gain, Sunmi, Video Share Previous articleNext article Leave a comment Name Email Content Post comment