MBC's 'Music Core' is back once again with another fun and exciting show!

Today's show was guided by none other than Girls' Generation's Tiffany, Taeyeon, and Seohyun who displayed their fun and dorky aegyo as always.

Aside from the usual stages on tonight's broadcast, After School made a hot comeback with "Flashback".

Check out the adorable MC cuts below!

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Performances from today's show include�Baek Ji Young, B1A4, A Pink, Lee Tae Kwon & Kim Hyeri, Wonder Girls, f(x), INFINITE, TEEN TOP, G.NA, Dal Shabet, Boyfriend, Juniel, M.I.B, Dalmatian, A-JAX, VIXX, Guckkasten, and Gang Kiz!

Check them out below, and be sure to check out the debut/comeback stages for today by clicking the artist/song name above!

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< Gang Kiz >



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< VIXX >



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< M.I.B >



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< A-JAX >



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< Juniel >



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< Lee Tae Kwon & Kim Hyeri >



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< Dalmatian >



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< Guckkasten >



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< U-KISS >



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< A Pink >



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< TEEN TOP >



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< Boyfriend >



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< Dal Shabet >



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< B1A4 >



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< Baek Ji Young >



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< G.NA >



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< INFINITE >



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< f(x) >



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< Wonder Girls >



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