Crucial Star

Crucial Star
Born
Park Se-yoon

(1989-10-16) October 16, 1989
OriginSouth Korea
GenresK-hip hop, K-pop
Occupations
Years active2007–present
Labels
Korean name
Hangul
박세윤
RRBak Seyun
MRPak Seyun
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Park Se-yoon (Korean박세윤; born October 16, 1989), more commonly known as Crucial Star (크루셜 스타), is a South Korean rapper and record producer. He started writing music at the age of 17 and joined the hip hop duo Libra Twins in 2007, before debuting as a solo rapper in 2010. He released his first EP, A Star Goes Up, in 2011.