[Video] Outsider is back with "Acquaintance" on Music Core! Music CoreDKPOPNEWS OfficialMar 06, 2010 Share 0 comments Rapping demon Outsider is back with his new song "Acquaintance" on Music Core!I am really impressed with his rapping skills,to be more specific,his rapping speed,undoubtedly one of the fastest in Korea.Watch his comeback stage here! Tags: Music core, Outsider, Video Share Previous articleNext article Leave a comment Name Email Content Post comment