Deekay wrote for what South Korean girl group formed by S.M. Entertainment?
Red Velvet (band) Red Velvet (Hangul: 레드벨벳) is a South Korean girl group formed by S.M. Entertainment. The group debuted on August 1, 2014, with their digital single "Happiness" and with four members: Irene, Seulgi, Wendy and Joy. In March 2015, Red Velvet added a fifth member, Yeri, to the group.
Lucky J Lucky J (Hangul; 럭키제이; RR: "leogkijei") was a South Korean hip-hop group formed by YMC Entertainment. The group's three original members were J'Kyun, Jessi, and J-Yo. The group debuted with their first single "Can You Hear Me?" in July 2014.