Which performer on the EP "Twinkle" also performed on the Korean stage musical version of "Mamma Mia"?
Seohyun Seo Ju-hyun (born June 28, 1991), known professionally as Seohyun, is a South Korean singer and actress. She debuted as a member of girl group Girls' Generation (and later its subgroup TTS) in August 2007, who went on to be one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide. Apart from her group's activities, she has established herself as an actress, notably through her participation in the original and Korean versions of stage musicals including "Moon Embracing the Sun", "Gone with the Wind" and "Mamma Mia". She also starred in the drama "". She debuted as a solo artist with her debut mini album, "Don't Say No", on January 17, 2017, making her the third Girls' Generation member to debut as a solo artist.
Kim Wan-sun Kim Wan-sun is a South Korean singer. Since her sensational debut at the age of 17 in 1986, she has been called the "Madonna/Anita Mui/female Michael Jackson of South Korea" or "the dancing queen of Korean popular music's renaissance era", as she is known for her beauty, clear voice, charismatic stage presence and catchy hits from the mid-1980s through the early 1990s. Her fifth studio album, released in 1990, spawned three consecutive No.1 songs and sold more than 1 million copies.