Kang Seung-yoon (January 21, 1994), aka Seungyoon or Yoon, is a South Korean
singer-songwriter and actor, best known for being the lead singer of the boy
band Winner. Born in Busan's Haeundae District, he began playing classical
guitar after a social anxiety disorder made him drop out of high school. In
2010, he rose to fame after finishing in fourth place in the reality music
competition Superstar K2. "Instinctively," his debut single, arrived later that
year and soared to the top of the Gaon Singles Chart. This success caught the
attention of media giant YG Entertainment, who q...