For this week's episode of 'Immortal Song,' super talented rookie groups Red Velvet and MAMAMOO will be facing off for the show's Baeho edition (Baeho was a Korean trot singer who was active in the 60's) to determine which of them will come out on top as the group with the best vocals.�

The two group's appearances on the show are drawing much attention as they are both known for their incredibly versatile, powerful vocals. The match between them will indeed be a close one!�

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The special Baeho edition featuring Red Velvet and MAMAMOO will air for two consecutive weeks, the first part airing October 31 and the second part airing on November 7, in memory of Baeho's passing. Tune in on both dates at 6:05pm (KST) to hear MAMAMOO and Red Velvet work their vocals on 'Immortal Song'!�