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.
Psy Park Jae-sang (Hangul: 박재상 ; Hanja: 朴載相 ; born December 31, 1977), known professionally as Psy (싸이 ; ; ] ), stylized PSY, is a South Korean singer, rapper, songwriter, and record producer. Psy is known domestically for his humorous videos and stage performances, and internationally for his hit single "Gangnam Style". The song's refrain was entered into "The Yale Book of Quotations" as one of the most famous quotations of 2012.