B1A4's Sandeul covered Kim Kwang Seok's beautiful song "Around Thiry" on 'Knowing Brothers' this week.
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Over the years, Sandeul gained recognition beyond just his fanbase for his ability to not only sing well but being able to portray the emotions of the song to the audience. The B1A4 member did that once again by singing one of Kim Kwang Seok's most popular and beautiful songs, "Around Thirty". As he covered the track, everyone in the studio looked on and were flooded with emotions.