MBC's Music Core returned with their weekly broadcast today with a fun and exciting show filled with amazing performances! On today's show, KARA, B2ST, Orange Caramel, Hwang Bo, Buzz, HAM and AB Avenue all had their comeback stages, while 2NE1 concluded their promotions. Meanwhile, HyunA of 4minute collaborated with Oh Won Bin for his performance, replacing Miryo of Brown Eyed Girls. Also check out the cuts of the adorable MCs! Other performers for the November 20th episode of Music Core included SNSD, 2AM, VNT, GP Basic, Suk Hee, Miho, Deevine, and Sunday Brunch. Check out all their great performances below!