Red Velvet(레드벨벳) - INTRO + Psycho (2021 KBS Song Festival) | KBS WORLD TV 211217
https://www.youtube.com/watch?v=czHR1wDZibY

Red Velvet(레드벨벳) - Queendom (2021 KBS Song Festival) | KBS WORLD TV 211217
https://www.youtube.com/watch?v=S-uWiIMo_0s