MBC's 'Music Core' is back once again with another fun and exciting show! MCs Yuri and Tiffany lead the show with their cheerful emcee skills. -- Aside from the usual stages,�T-ara, Seo In Young, and Kim Jo Han all made their comebacks. Other performances from today's show include SNSD, Wonder Girls,�SECRET, Norazo, X-Cross, TRAX, M.I.B., AA, Boyfriend, LEDApple, MYNAME, Lee Ji Hye, C-Real, B1A4, and A-ble. Check them out below! ---- < B1A4 > **Follow Up Song** - < Kim Jo Han > **Comeback Stage** - < SNSD > - < SECRET > - < Wonder Girls > - < TRAX > - < Boyfriend > - < LEDApple > - < MYNAME > - < C-Real > - < AA > - < A-ble > - < M.I.B. > - < X-Cross > - < Norazo > ==