KOREAN Red Velvet (레드벨벳) Red Velvet – Attaboy Attaboy Perfect Velvet 2017.11.17 Irene, Seulgi, Wendy, Joy, Yeri Lyrics/작사: Kenzie Composer/작곡: Kenzie, The Stereotypes, Ylva Dimberg Arranger/편곡: The Stereotypes