When did the group debut that Kang Sung-hoon is a part of?
Sechs Kies SECHSKIES (pronounced as , Korean: 젝스키스 , Japanese: ジェクスキス ) is a six-member South Korean boy band in 1997. They are the "1st-generation K-Pop idols" and were named as one of the top boy groups in the 90's. Consisting of members Eun Ji-won, Lee Jai-jin, Kim Jae-duck, Kang Sung-hoon, Ko Ji-yong and Jang Su-won, the group debuted on April 15, 1997.
S.M. The Performance S.M. The Performance is a dance project group, formed by S.M. Entertainment in 2012. The group made their first appearance on "SBS Gayo Daejeon" in December 2012. The group consists of members of other groups of S.M., the first formation being composed of U-Know , Eunhyuk , Donghae , Taemin , Minho , Kai e Lay .