141011 Silla cover Red Velvet - Happiness @Teen Talent Cover Dance Contest 2014
141030 Red Lemon cover Red Velvet - Happiness @Teen Pointer Halloween 2014 (Audition)
150404 Hypnosis cover Red Velvet - Intro + Happiness @Esplanade Cover Dance #2 (Audition)
150404 Glamour cover Red Velvet - Happiness @Esplanade Cover Dance #2 (Audition)
141030 Minerva cover KPOP - Intro + Happiness(Red Velvet) @Teen Pointer Halloween 2014 (Audition)
141019 Red Velvet - Happiness (Cover Dance)
141109 Blue Sherbet cover Red Velvet - Happiness @I'm Park Cover Dance (Audition)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Nice (나이스)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Aile (아이)
141011 HyunA Project cover HyunA - BlackList + Red @Teen Talent Cover Dance Contest 2014
"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
Ice Cream Cake - Red Velvet (레드벨벳) Cover By - Silla (신라)
141011 NIKU'S主催 HANDS UP NIGHT Red Velvet Happiness by Maeilkiss
Red velvet - happiness dance cover by Red FeelFelt
141011 Dif Queen cover f(x) - Chocolate Love + Red Light @Teen Talent Cover Dance Contest 2014
160312 cover Red Velvet - Happiness @Mega Plaza Cover Dance (Audition)
141108 A.M.R. Cover Red Velvet 레드벨벳 - 행복(Happiness) @ ISUZU Wonderful day
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라) Nut(낱)
Happiness (행복) - Red Velvet (레드벨벳) Cover By - Silla (신라)
