Earlier tonight,�MBC made the abrupt announcement that they would cancel "Music Core" in favor of broadcasting the opening ceremonies to the 2011 Lotte Card Professional Baseball event. Disappointed K-pop fans can still get their weekly music fix, as videos of numerous performances from the event have just been revealed. The show had brought in T-ara, G.NA, Rainbow, and U-KISS. As always, these artists delivered great shows that really energized the room. Check out their videos below! -- ? T-ara ? < Bo Peep Bo Peep > - < Why Are You Being Like This > -- ? G.NA ? < Black & White > - < I'll Back Off So You Can Live > -- ? U-KISS ? < Manmanhani > - < Shut Up!! > -- ? Rainbow ? < A > - < Gossip Girl > == Tip: Anhi