Melody Day made their first 'Immortal Song 2' performance on the August 9th episode.

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The vocal trio covered Yoon Bok Hee's "This is It Really", turning it into a refreshing musical. Melody Day's sparkly stage outfits and bright performance got the crowd going, and their competitors commented, "They remind me of [the movie] 'Dream Girls'," and "I like their vocal tones."

Despite Melody Day's amazing debut on the show, it was Ailee�who took the win this episode.