A chart-topping vocalist from South Korea, Lee Mu-jin was born in Goyang,
Gyeonggi Province, on December 28, 2000. He made his musical debut in 2018 with
an appearance on the Goyang Voice soundtrack, where he performed the song
"Sanchaek." Although the single failed to chart in South Korean, Mu-jin became a
household name two years later, when he auditioned for the televised singing
competition Sing Again. He finished in third place and effectively relaunched
his recording career with "Traffic Light," his first single to appear after his
time on the show. Released in 2021, "Traff...