141011 Silla cover Red Velvet - Happiness @Teen Talent Cover Dance Contest 2014
141109 Blue Sherbet cover Red Velvet - Happiness @I'm Park Cover Dance (Audition)
150404 Glamour cover Red Velvet - Happiness @Esplanade Cover Dance #2 (Audition)
Ice Cream Cake - Red Velvet (레드벨벳) Cover By - Silla (신라)
150404 Hypnosis cover Red Velvet - Intro + Happiness @Esplanade Cover Dance #2 (Audition)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Nice (나이스)
141030 Red Lemon cover Red Velvet - Happiness @Teen Pointer Halloween 2014 (Audition)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Nut(낱)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Aile (아이)
140913 Holistic cover Red Velvet - Happiness @Pantip Cover Dance 2014 (Audition)
"Redness Me" cover "Happiness" (Red Velvet) @ "I’m Park Cover Dance Contest"
141011 Silenda cover Secret - I'm In Love @Teen Talent Cover Dance Contest 2014
Happiness(행복) - Red Velvet(레드벨벳) Dance Cover by Th
141011 4Raries cover HyunA - Don't Fall Apart + 빨개요 (RED) @Teen Talent Cover Dance Contest 2014
141011 NIKU'S主催 HANDS UP NIGHT Red Velvet Happiness by Maeilkiss
Hypnosis cover Red Velvet - Happiness @ Esplanade cover dance season 2 (audition) 150404
160312 cover Red Velvet - Happiness @Mega Plaza Cover Dance (Audition)
141019 Red Velvet - Happiness (Cover Dance)
Red velvet - happiness dance cover by Red FeelFelt
