RUNY, born Song Si Yun and formerly known as Si Woo, is a South Korean singer and composer. He was born on May 26, 1989 and made his debut in 2011 as a member of the K-Pop trio, BB.Boys. In 2017, he released his first digital single and released his first track for a television drama in 2018. Since then, he has worked on a number of television drama soundtracks and has made appearances in a handful of reality programs, including “Jang Eui Soo’s First Fan Meeting” (2020).
