Wheesung

In 2017, Wheesung parted ways with YMC Entertainment last year after his contract with the agency came to an end. He set up an independent label called Realslow Company, and he will now be promoting under the stage name Realslow.

August 9, 2013, Wheesung was discharged from the military.

On 11 July 2012, Wheesung was granted a 9 nights, 10 days temporary leave from the army to undergo surgery for a herniated disc as well as other medical conditions such as bilateral shoulders dislocation, psoriasis and alopecia.

In 2011, he transferred to Tae Jin Ah's YMC Entertainment. Soon after joining YMC Entertainment, he recruited female singer Ailee. On 7 November 2011, he enlisted for mandatory military service. He served 21 months of active service after completing five-week of basic training course at a boot camp in Nonsan, South Chungcheong Province.

In April 2009, Wheesung is the MC/host of a new Mnet TV show called "Pre Star-1 Show. This show gives opportunities for new talented singers to introduce themselves, a platform for them to reach out to more fans. Every month about nine or ten teams will be introduced on Mnet.com and the team which receives most response from the netizens will be chosen onto the show. The chosen team/singer will also be given the chance to perform with popular stars. Wheesung's Pre-Show 1 Show’ started airing on 24 April on Mnet Cable Channel.

Wheesung had participated in several Kpop concerts in Los Angeles, California, which include the Hollywood Bowl, and the Victory Concert. On June 19, 2009, Wheesung and Lena Park held a concert in Los Angeles Disney Concert Hall. After the concert, Wheesung planned to stay in Los Angeles for a month to work on his new album with producer Lee Hyun-do. The new album will go back to the r&b/hiphop style similar to "With Me" and "Incurable Disease". The new album is set to be released in August 2009. Wheesung also claimed in an interview that he wants to visit Pink's Hot Dogs while in LA. On June 27 and July 4, Wheesung performed at "Insomnia Concert" and club Le Cercle in LA. On July 11, he performed at the HALO nightclub in Hollywood.

In June 2009, Wheesung changed his label again from Orange Shock to POP/UP Entertainment, which houses stars like JK Kim Dong Wook and group M to M. Wheesung has decided to change his label because former producer, Park Gun Tae, concentrated more on producing and working by himself. Wheesung gave thanks to Park Gun Tae for his growth as an artist and hopes to learn from him as a little brother, no longer as an artist under a producer.

Wheesung has collaborated with many artists. In late 2008, Wheesung has collaborated once again with Lee Hyori who featured as his girlfriend in his music video of "별이 지다.." (Fading Star) in the "With All My Heart and Soul" album. In 2009, Wheesung seeks help from producer Lee Hyun-do, they will collaborate to produce the new album which the release date has been set in August 2009.

Wheesung left YG Entertainment after his contract expired in March 2006. He signed a new contract that is reportedly worth 1.5 million won with his new company Orange Shock Agency.

In 2000, he signed onto M Boat, a former sister company to YG Entertainment. He underwent a few years of vocal training under the label and released his first solo album Like A Movie in 2002. The album became very popular after receiving praise from many well-known artists, including Seo Taiji and Shin Seung Hun. In 2003, he released his second album, It's Real. It proved to be as popular as his first, making him the best selling artist of 2003 in Korea. Unlike his debut album, It's Real wasn't restricted to R&B and it included different musical elements like pop and hip-hop.

Realslow is a stage name used by Wheesung when he was an underground singer. Wheesung gained attention in the early 2000s as an underground musician before he debuted in 2002. The name references his love and passion for R&B music, which still struggles to have much popularity in Korea. Through this new name and label, Wheesung aims to return to his roots and produce some soulful R&B music.

He started his career in 1997 as a member of a back dancing team ING. Wheesung began his career in 1999 with the short lived Korean boy group, A4. He left after the band's first album debut, citing musical differences between himself and the other members of the band. After that, He joined a rock band, MAME, as vocalist for a short while. And, he participated the MBC College Music Festival (MBC 강변가요제) in 2000.

Choi Whee-sung (Korean: 최휘성 ; born February 5, 1982), better known by his stage name Wheesung, is a South Korean R&B singer, record producer, and musical theatre actor. In 2017, Wheesung set up an independent label called Realslow Company, and also promotes under another stage name Realslow.

Wheesung was born on February 5, 1982. He was an avid dancer in high school, where he was part of a rock band; he began singing in his final year.