'Monster rookie' Son Seung Yeon put on an unforgettable performance on the January 10 installment of 'Immortal Song 2'.

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Son Seung Yeon covered Jang Kye Hyun's classic hit song "Please Let Me Forget". The amazing vocalist made a jazz rendition of the track, and her sincere vocals did it justice. Viewers commented, "I unintentionally clapped my hands after watching her sing on TV," "I got goosebumps," and more.

However, Kim Kyung Ho�took the final win this episode.