Which performer on the EP "Twinkle" also performed on the Korean stage musical version of "Mamma Mia"?
Girls' Generation-TTS Girls' Generation-TTS (, also known as TTS, TaeTiSeo, or Girls' Generation-TaeTiSeo) is a subgroup of South Korean girl group Girls' Generation, formed by S.M. Entertainment in 2012. It is composed of three Girls' Generation members: Taeyeon, Tiffany, and Seohyun. The group has released three EPs: "Twinkle" (2012), "Holler" (2014), and "Dear Santa" (2015).
Chen (singer) Kim Jong-dae (born September 21, 1992), better known by his stage name Chen, is a South Korean singer-songwriter and actor. He is a member of the South Korean-Chinese boy group EXO and its sub-unit EXO-CBX, as well as S.M Entertainment's ballad group SM the Ballad.