Huh Gak sang for his idol Kim Min Jongon the July 8 installment of 'Immortal Song'.
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On the special for Kim Min Jongand Son Ji Chang's duo The Blue, Huh Gak covered the classic track "Endless Love". He expressed, "Kim Min Jong sunbaenim is my idol. It was to the point I remembered the codes to his songs for the karaoke room. There's 'the best 3' songs by Kim Min Jong. 'Beneath the Sky', which is 1566, 'Endless Love', which is 3487, and 'Kind Love', 4573."