The One - Topic

Jeong Soon-won, better known by his stage name The One is a South Korean singer and vocal coach. He debuted in 1997 as a member the group Space A and released his first solo album in 2002. He has released a total of five albums in Korean and one in Mandarin. As a vocal coach, he has taught K-pop singers including members of Girls' Generation and Super Junior.
He won the second season of the Korean version of I Am a Singer in 2012, and finished in third place in the third season in the Chinese version of I Am A Singer in 2015.