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).
D.O. (entertainer) Do Kyung-soo (born (1993--) 12, 1993 ), better known by his stage name D.O., is a South Korean singer and actor. He is best known as a member and one of the main vocalists of the South Korean-Chinese boy group EXO. Apart from his group's activities, D.O. has also starred in various television dramas and movies such as "Pure Love" (2016) and "My Annoying Brother" (2016).