Super Junior's Donghae and Eunhyuk have announced that they'll be releasing a special duet. Titled "Oppa Has Arrived", the song has a disco flavor and was performed during 'Super Show 4'. Both members will deliver a fun performance on KBS's 'Music Bank' on December 16th and on SBS's 'Inkigayo' on the 18th. The single is scheduled to hit stores on the 16th. In the meantime, you can check out a live sampling of their duet below! Source: Sports Chosun via Nate