MBC's Music Core is back once again with yet another fun and exciting show! Besides the usual stages, f(x) and NS Yoon Ji made their comebacks while there were debuts for A Pink, B1A4 and Block B. Elsewhere, TVXQ said their goodbye. MC cuts. After School's comeback was teased for next week. Other performers who took to the stage included Big Bang, 4minute, CNBLUE, Orange Caramel, Wheesung, Rainbow, Dal Shabet, Rania, Lee Hyun, Mighty Mouth, K.Will, Yangpa and M4.