KBS Music Bank rehearsal was held at KBS in Yeouido, Yeongdeungpo-gu, Seoul on the morning of the 3rd.
Nam Tae-hyun is attending a rehearsal.
About Nam Tae-hyun
Nam Tae-hyun, also known as Taehyun, is a South Korean singer, songwriter, producer and actor. In March 2017, he founded a music label, South Buyers Club. Sometime afterwards, the label was renamed to The South.
 Wikipedia