Prior to his debut under RealCollabo, Jooyoung and his schoolmate Shin Dong-woo (who later debuted as
B1A4's
CNU) created a
J&D duo for 2009 Chinchin Youth Song Festival. They had a band named 갭골 (Gapgol), and Jooyoung's nickname was 갭주 (Gapjoo).
RealCollabo days (2010–2013) Jooyoung was first introduced to public through a cover of
George Benson's
Nothing's Gonna Change My Love for You uploaded on October 11, 2010, on RealCollabo's
YouTube channel as RealCollabo's second artist. A month later he released another cover of Jeremy Passion's "Well Done". He finally debuted on December 7 with digital single "그대와 같아 (Same as You)". On December 11, 2012, he released his first mini album "From Me to You" with self-composed song "네게 난" as the title track, which also marked his debut as a songwriter. RealCollabo held its 'RealCollabo Live' concert, 'Siaena & Jooyoung RealCollabo Live 001' on January 18, 2013, at Hongdae V Hall. After this, he started guesting at other singers' showcases and concerts.
Leaving Real Collabo (2013–2014) Jooyoung announced his departure from RealCollabo on April 4, 2013, via his personal Twitter. After leaving RealCollabo, he moved to Belikewater Records. He was featured on
Lyn's song "High Heel", and guested on her showcase performing the song. On September 30, he released digital single "Popstar", produced by Jay Chong. He made a guest appearance at the showcase of one of his best friends,
Kim Feel, at DiDimHall Hongdae on November 28. He performed again in Kim Feel's first 'Another Concert' at Jazz Story in Seoul the following year. Together with Go Hyung-suk, he helped
B1A4's
CNU compose the latter's first solo song, "음악을 취해 (Drunk with Music)", released on January 13, 2014. In the same year, Jooyoung and CNU teamed up with Jooyoung's former labelmate
Cheeze and wrote "Drive", released on July 14.
Under Starship Entertainment (2014–2021) On July 30, 2014,
Starship Entertainment announced Jooyoung as their new artist under the Starship X label and released his cover of
Jeff Bernat's "Call You Mine". He also made an appearance as Starship's team member in
Mnet's
Singer Game and became a hot topic because of his performance and eye-contact strategy. He collaborated with former labelmate d.ear in writing "Taxi on the Phone" for
Topp Dogg's
Kidoh, released on September 26. His first release under Starship X was digital single "지워 (Erase)", a collaboration project with
Sistar's
Hyolyn, which featured Iron's rap from
Show Me the Money season 3. Digital single "Erase" also contained a remake of his debut song, "Same as You". He then participated in
Starship Planet's 2014 winter song, "Love is You". Jooyoung performed in 'Starship X Concert' in Busan on August 16, 2014 and 'Starship X All Night Concert' in Seoul on December 5 with labelmates
Mad Clown,
Junggigo, Hyolyn,
Soyou, and Nuboyz (Shownu, Wonho, and
Jooheon of
Monsta X, and #Gun). On April 4, 2015, along with Kim Feel, Mad Clown, and
Hanhae he performed in 'Rolling Saypop Concert Vol.1
ELUPHANT Fly me to the moon'. On May 23, he performed on Greenplugged Seoul 2015. He also made a guest appearance in
K.Will's 2015 Small Hall Concert. Along with his labelmates, Jooyoung appeared on Starship's first idol survival show NO.MERCY as a guest judge from episode 6 to episode 9. In episode 9, his team won the fourth debut mission and got to release the song "0 (YOUNG)". Jooyoung released single "91" for free on June 14, 2015, to celebrate his mother's birthday. On August 27, he released his third single "3", a double title track digital single. He also took part on collaboration with his old label mates
Ra.D,
d.ear, and
Brother Su, releasing "Draw You". It is a remake of d.ear's old song which is also the last release of RealCollabo. On November 26, 2015, Jooyoung enlisted in military service. Starship announced his enlistment the next month right after the release of "Love Line", surprising fans and public. He finished his basic training on December 24 and began serving as public service officer. In spite of him still serving in military, Jooyoung kept releasing songs he had recorded before leaving for army. He still took part on Starship Planet's 2015 winter song "사르르 (Softly)". On January 7, 2016, he released his first soundtrack "들리나요 (Can You Hear Me)" for SBS drama
Remember: War of the Son. On February 14, 2016, Jooyoung along with
K.Will,
Junggigo, and
Brother Su, released a special Valentine song, "요리좀해요 (Cook for Love)". In early 2018, Jooyoung completed his mandatory military service and returned to Starship Entertainment. On March 2, 2018, Jooyoung released a mini-album,
Fountain, as a surprise to announce he had completed his service. From April 2018 to May 2018, Jooyoung was a contestant on the
Mnet show Breakers. He was eliminated in the semi-finals. On September 4, 2018, Jooyoung released a double single which contained two songs, “N/A” and “Inn”. On May 31, 2019, Jooyoung released a single, "Lost". On June 30, 2019, Jooyoung released a single "아름 (Pure Happiness)" which included three songs: "Wipe It Up", "Pure Happiness (아름) (Feat. George)" and "Samchong View (삼청 View) (Feat. pH-1)". On December 17, 2021, Starship announced that Jooyoung was leaving the label.
Independent Artist Career (2023-Present) In January 2024, Jooyoung released his first full-length album,
Sphere, an all-English album that featured his signature blend of R&B, hip-hop, rock, and electronic music. == Discography ==