Lee Mu Jin

Lee Mu Jin (이무진, born December 28, 2000, in Goyang, Gyeonggi Province) is a South Korean singer-songwriter who rose to fame after placing third on the music audition show Sing Again in 2020. His authentic vocal style and emotional delivery quickly resonated with Korean audiences. His breakthrough single "Traffic Light" (2021) became a cultural phenomenon, spending three weeks at number one on South Korea's Gaon Digital Chart and earning him widespread recognition. The song's success established Lee Mu Jin as one of the most promising new voices in Korean music. Before his television breakthrough, Lee Mu Jin honed his craft at the Seoul Institute of the Arts. His musical style blends folk, ballad, and trot influences, creating a distinctive sound that appeals across generations. He has cited artists like Lee Moon-sae and Lee Seung-hwan as major influences. Lee Mu Jin signed with Big Planet Made Entertainment and has released several singles including "Memories of Spring," "Signal," and "Rain and You." He has also collaborated with various artists and performed on popular variety shows, cementing his status as a versatile entertainer. In March 2026, he filed for contract termination with Big Planet Made Entertainment.