Eunkwang explain who to distribute different part to a song and distinguishes each vocal members
14:44
BTOB 4YOU singing and loving Melody
13:45
1/3 brain club - YookChangKwang -
16:29
보컬 트레이너들이 말하는 서은광 | Vocal coach reactions and analysis to SEO EUNKWANG
22:12
[Killing Voice] 비투비 블루(BTOB BLUE)의 킬링보이스 - 잊혀진다는 거, 하늘 아래서, 여자, 님에게, 감기, 서쪽 하늘
26:49
BORN TO CHAOTIC BTOB IS THE ANSWER
10:24
BTOB: BEST VOCAL GROUP | offstage moments edition
9:20
[HOT CLIPS] [RUNNINGMAN] BTOB'nin BTOB'siz şarkısı(ENGSUB)
10:29