Kye Beom-ju (, born November 8, 1991), better known by the stage name Bumzu (), is a South Korean record producer, songwriter and singer. He signed to Pledis Entertainment early in his career, and has been co-CEO of the Prismfilter Music Group since 2016.
He is best known for his work with Pledis Entertainment labelmates NU'EST and Seventeen, and has amassed credits working with other South Korean artists including Shinee, Fromis 9, NCT 127, TWS, and BTS's Jin. Since 2019, he has been a full member of the Korea Music Copyright Association (KOMCA), a status given to music creators who meet the highest levels of professional standards and copyright royalties. In 2025, he also became a member of The Recording Academy.
Biography and career Bumzu was born in Seoul, South Korea, on November 8, 1991. He learned the violin as a child, and by the age of high school, he became active in Hongdae's underground music scene. His first mainstream work was composing for H.O.T's Jang Woo-hyuk's "Don't Go, Go Away" in 2011. He then participated in the singing competition show Superstar K 4 at the age of 22, which has been noted as his big break. Following the show, he began producing songs for Pledis artists including After School and NU'EST, and has produced songs alongside Woozi for Seventeen since their debut song "Adore U". He also worked on vocal coaching the members of Seventeen early in their careers.
Since 2016, he has been the co-CEO of the music production company Prismfilter Music Group. In 2024, Bumzu started producing music for Pledis' new group TWS under the pseudonym "Wasurenai". In February, he was awarded KOMCA's grand prize, having been the highest-earning songwriter for K-pop in 2023. On December 7, 2025, he won the Legendary Producer award at the 10th Asia Artist Awards, his second consecutive year winning a producer award at the ceremony. The same year, he became a member of The Recording Academy.
Discography Studio albums Title Album details Peak chart positions KOR Good LifeReleased: July 30, 2015 Label: PJR Entertainment, LOEN Entertainment Formats: CD, digital download 59
Extended plays Title Album details Peak chart positions KOR Something SpecialReleased: September 27, 2013 Label: PJR Entertainment, LOEN Entertainment Formats: CD, digital download 36 24Released: December 12, 2014 Label: PJR Entertainment, LOEN Entertainment Formats: CD, digital download 66 27 ()Released: December 26, 2017 Label: Pledis Entertainment, LOEN Entertainment Formats: CD, digital download 59
Singles Title Year Peak chart positions Sales (DL) Album KOR "Oh My Girl" 2011 — rowspan="2" rowspan="2" "I'm Sick Of It" () 2012 — "The Ceiling" ()2013 60KOR: 76,114Cumulative sales of "The Ceiling": Good Life "Something Special" 63KOR: 62,279Cumulative sales of "Something Special": "Game Over"2014 96KOR: 20,671 "28.5" —KOR: 14,266 Good Life "Live" ()2015 — "Give It 2 U" —KOR: 11,991 "I Want You Back" 2016 — rowspan="5" "Once" () 2017 — 27 "Just" — "A.C.C.E.L" — "I'm Good" () —"—" denotes releases that did not chart.
Collaborations Year Title Other artist(s) 2011 "Just Friend" Ven, Colson 2014 "Shall We Meet" () Tarin 2017 "Forever Young" Han Dong-geun
Soundtrack appearances Year Title Album 2015 "First Time" () A Girl Who Sees Smells OST
Production discography
Awards + Award ceremony Year Category Nominee(s) Result Asia Artist Awards 2024 Best Producer Bumzu 2025 Legendary Producer KOMCA Copyright Awards 2024 Daesang – Lyric writing and Composition 2025 Daesang – Lyric writing, Composition, and Arrangement
References
External links