MBC's "Music Core" has returned once again with another fun and exciting show! On today's show, TVXQ, SECRET, INFINITE, and JOO made their comebacks while Dal Shabet and Piggy Dolls debuted. Other performers for the January 8th episode include GD&TOP, IU, T-ara, SISTAR, Orange Caramel, Soul Harmony, F1rst, Maeng Yoona, Tim, December, $unny Side Chang, and Can. Check out all of their great performances below! ====== < GD&TOP - "High High" > ************* < IU - "Good Day" > ************* < T-ara - "Why Are You Being Like This" > ************* < SISTAR - "How Dare You" > ************* < December - "It's Okay" > ************* < Orange Caramel - "A~ing" > ************* < Soul Harmony - "If I Love You" > ************* < F1rst - "Do You Like Me, I Like You" > ************* < Maeng Yoona - "Vanilla Bong Bong" > ************* < $unny Side Chang - "Crazy Love" > ************* < H-Eugene feat. SISTAR Soyu - "Love Warning II" > ************* < VNT - "Voice" > ************* < Can - "G" >