Vocal Coach Reaction and Analyses of Red Velvet (레드벨벳)의 킬링보이스를 라이브로!ㅣ행복 (Happiness), Chill Kill, Oh Boy, Psycho, You Better Know, Bad Boy.

PATREON:   / katriinkamusic  
SINGING LESSONS: https://www.katriinka.com/
TIKTOK:   / katriinkattv  
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#redvelvet #chillkill #레드벨벳
#killingvoice #redvelvetreaction #katriinka
#vocalcoach #dingomusic #wendy