Kwon Seong-cheol (), better known by his stage name JNKYRD (), is a South Korean indie rock and electronics musician, singer-songwriter, and record producer.Debuted in 2014, he has been a part of several prominent South Korean alternative music projects, most notably joining with the indie rock band Hyukoh as a core member and producer since 2020 and the musical supergroup TEAM AAA. He has also produced and written music for mainstream acts, including RM of BTS and the alternative musical collective Balming Tiger.
Background and career beginnings Before his official debut, Seong-cheol was active in the underground electronic music scene, sharing early music on SoundCloud. On December 30, 2014, he officially debuted under the stage name JNKYRD with the release of the electronic single "Napoleon Carol" (나폴레옹 캐롤). Later, JNKYRD alongside DJ Wooram formed the alternative pop and R&B duo Flat Tires (플랫 타이어스), releasing a self-titled extended play in November 2016. During his time in the early underground indie music scene, JNKYRD would meet and form a close relationship with the members of rock band Hyukoh. In 2017, he released song "Taxi", featuring Hyukoh's guitarist, Lim Hyun-jae and in July 2018 when he released the music video for his single "Nice to Meet You" (만나서 반가워), The music video was directed by Hyukoh's visual production team DQM, which featured all hyukoh members and behind the scene members. Later the same year he would work as sound engineer for Hyukoh's EP "24: How to find true love and happiness".
Breakthrough career JNKYRD's career became a prominent name as in 2020, rock band Hyukoh brought JNKYRD as production member for their EP "Through Love", however this led to JNKYRD joining Hyukoh as internal core member, as drummer in-woo took a sudden hiatus for health issues. JNKYRD started to perform with Hyukoh for their 2020 world tour contributing synths, percussion and programming ever since.
In October 2020, JNKYRD worked with Taiwanese synth-pop band Sunset Rollercoaster. JNKYRD alongside Oh Hyuk, were featured in the music video for the track "Candlelight" (featuring Oh Hyuk) from Sunset Rollercoaster's album "Soft Storm". JNKYRD worked as background actor and production member in the music video, which was produced by the visual team DQM.
On February 9, 2021, JNKYRD released his extended play, "Dorm Stairs". it's single "Varsity", features Oh Hyuk.
In 2022, JNKYRD started to be part of many prominent projects. On July 21, 2022, he released single "BAD TRIP: Dorm Stairs Live", which featured rapper Omega Sapien. Later he released his remix extended play, "Dorm Stairs Remixes". By late 2022 JNKYRD worked as primary composer and arranger for Balming Tiger's vocalist sogumm’s studio album "Precious", alongside arrangements for indie musicians O3ohn and Ji Yoon-hae. JNKYRD also worked as the primary sound supervisor for the Balming Tiger's single "섹시느낌 (SEXY NUKIM)", which featured RM of BTS. JNKYRD's role with Balming Tiger continued into 2023, where he operated as the mixing engineer and video sound supervisor for their track "SOS".
Beginning in 2023, he joined the musical supergroup TEAM AAA. He co-produced album AAA between rock band Hyukoh and Taiwanese synth-pop band Sunset Rollercoaster. The project developed mostly through songwriting and improvisation camps held across Gapyeong and Jeju Island, South Korea, where JNKYRD described the process as an "all in one room" involving up to ten musicians developing instrumental loops and composing simultaneously. The studio album was released on July 10, 2024, and JNKYRD then did an international world tour alongside other members as a musical supergroup TEAM AAA, which was later released as "AAA LIVE".
Those songwriting camps later led into his most mainstream project, which was working as primary producer and composer for RM of BTS's album "Right Place, Wrong Person", working alongside Oh Hyuk, Tseng Kuo-hung, and Lee In-woo, who were recruited to work on the album and especially on the track "Come back to Me".
Following the conclusion of TEAM AAA, JNKYRD continued his work for Sunset Rollercoaster and Hyukoh. JNKYRD acted as production advisor for the making of Sunset Rollercoaster's album "Quit Quietly"; however for Hyukoh, the band members officially integrated him into core operations, making him the unofficial fifth member. JNKYRD later continued working for Balming Tiger, co-producing Mudd the student's album "LAGEON". Sound Supervisor for Balming Tiger's album "Gongbu".
Discography Extended plays "Flat Tires (with DJ Wooram as Flat Tires)" (2016) "Dorm Stairs" (2021) "Dorm Stairs Remixes" (2022) "#InMyCellNetWorkService#" (2017) Singles "Napoleon Carol" (2014) Taxi 4WD ( 2017) "Nice to Meet You" (2018) "BAD TRIP: Dorm Stairs Live" (featuring Omega Sapien) (2022) "JNKYRD's Greatest Hits"(2021) "Haunting Fall and I Hate Birthday" (2018) "Nice To Meet You" (2018) "Naaan (Very Korea)" (2018) "Jack (ft. Jinbo)" (2015) Production and songwriting credits
Year Artist Song / Album Role Notes 2018 Hyukoh 24: How to find true love and happiness Sound engineer EP 2020 Hyukoh Through Love (and remixes) Production EP 2020 Sunset Rollercoaster "Candlelight" Music video production, background actor single from Soft Storm 2022 sogumm Precious Primary composer, arranger Album; also featuring 03ohn and Ji Yoon-hae 2022 Balming Tiger "SEXY NUKIM" Primary sound supervisor Single featuring RM of BTS 2023 Balming Tiger "SOS" Mixing engineer, video sound supervisor Single 2024 Hyukoh, Sunset Rollercoaster (TEAM AAA) AAA Co-producer, composer Collaboration album 2024 RM Right Place, Wrong Person Primary co-producer, composer Album 2025 Sunset Rollercoaster Quit Quietly Production advisor Album 2025 Mudd the Student LAGEON Co-producer Album 2026 Balming Tiger Gongbu Sound supervisor Album
Awards and nominations
Year Award Category Nominated work Result Ref. 2020 Mnet Asian Music Awards Song of the Year "Help" (as production member for Hyukoh) 2023 Korean Hip-Hop Awards Collaboration of the Year "SEXY NUKIM" (as Sound Supervisor for Balming Tiger ft. RM) 2024 Ciclope International Festival of Craft Best Direction "Lost!" (as Producer & Creative Team member for RM) 2025 Korean Music Awards Album of the Year AAA (as Co-Producer & Composer for TEAM AAA) 2025 Korean Music Awards Best Modern Rock Album AAA (as Co-Producer & Composer for TEAM AAA) 2025 Korean Music Awards Best Modern Rock Song "Young Man" (as Co-Producer & Composer for TEAM AAA) 2025 Golden Melody Awards Best Album Producer AAA (as Co-Producer & Composer for TEAM AAA) 2025 Golden Melody Awards Best Band AAA (as core member of TEAM AAA) 2025 Golden Melody Awards Song of the Year "Young Man" (as Co-Producer & Composer for TEAM AAA) 2025 Golden Melody Awards Best Vocal Recording Album AAA (as Co-Producer & Composer for TEAM AAA) Republished as: 2025 Golden Melody Awards Best Music Video "Antenna" (as Creative Team member for TEAM AAA) Republished as: 2025 Golden Melody Awards Best Album Design "AAA" (as Creative Team member for TEAM AAA) Republished as: 2025 Seoul Music Awards Best R&B/Hip-Hop Award Right Place, Wrong Person (as Primary Producer & Composer for RM) References