MBC's Music Core is back once again with yet another fun and exciting show! Besides the usual stages, Kim Wan Sun, After School, Eru, and Turtles made their comebacks. Elsewhere, Big Bang, K.Will, and INFINITE had their goodbye stages. Finally, Kim Jong Min, X-5, and SpinEL made their debuts, while CNBLUE began follow-up promotions. Other performers included 4minute, f(x), Rainbow, A Pink, Tony An, Yangpa, and Ali.