On November 8th, MBC revealed that�Lee Hyori and Jung Jae Hyung will be the MCs for the�2011 Campus Song Festival. Along with the information, a video trailer was released showing nine-year Campus Song Festival MC veteran Lee Hyori teaching newcomer Jae Hyung on how the in's & out's of being an MC. The video starts with Lee Hyori as a strict sexy teacher, telling Jae Hyung that in order to be an MC he first needed to have good reactions. Hyori asks him to laugh and when he does she replies, "You need to start by fixing your laugh." She then asks,�"Can you or can't you speak informally to the college participants?" He replies, "[Can't we just have] a hyung-dongseng type relationship," then goes on to lighten the mood by addressing Hyori informally. Check out the video below: The�2011 'Campus Song Festival' will take place on�November 24 at Andong National University. Source + Image: Nate