The discography of the South Korean-Chinese boy band Exo consists of four studio albums, five extended plays, and twenty one singles. Exo was formed by the Korean entertainment company S.M. Entertainment in 2011, and formerly consisted of twelve members separated into two sub-groups, Exo-K and Exo-M, releasing the same music simultaneously in both Korean and Mandarin in South Korea and China, respectively.
 The group's first release, the extended play "Mama", was released in April 2012.
 The album topped Korean music charts on its release.
Kim Jong-hyun (most often credited as Jonghyun), is a South Korean singer-songwriter and producer.
 He began his musical career in 2008 as a member of the group Shinee and later formed the ballad group S.M.
 The Ballad.
 Jonghyun debuted as a composer happened to write Korean lyrics for the Shinees promotional single "Juliette", which was featured in the mini-album "Romeo", released in May 2009.
 Participate in the writing of three songs on Shinee's second Korean studio album, "Lucifer", the first, "Up & Down", was co-written with Misfit with the rap being written by Minho, the second, "Obsession", was completely written by Jonghyun with Minho once again working on his own rap, and the third "Shout Out" co-written by all members of Shinee, JQ and Misfit.
 In 2012, Jonghyun co-wrote the lyrics to the song with "Alarm Clock" with Minho, a song about wishing to wake up from the nightmare of a past break up, and wrote the lyrics to "Honesty" which was described as a song written for the fans who had stayed by their side with unchanging love until that point.
 Both songs were featured on the mini album, "Sherlock".
4 Walls is the fourth studio album by South Korea-based girl group f(x), released by S.M. Entertainment on October 27, 2015.
 Lee Soo-man, former president of S.M. Entertainment, served as the executive producer of the album.
 It marked the group's first release as a four-member group after former member Sulli left the group in August 2015.
The discography of the South Korean girl group Red Velvet consists of one studio album, five extended plays, and twelve singles. Red Velvet was formed by the Korean entertainment company S.M. Entertainment in 2014, and consists of five members.
Overdose is the second EP by South Korean-Chinese boy bands EXO-K and EXO-M.
 It was released by S.M. Entertainment and distributed by KT Music on May 7, 2014 in Korean and Chinese version.
 It is preceded by their special EP album "Miracles in December" that was released in December 2013.
 This is the final release that includes members Kris and Luhan before they left the group and filed lawsuits against S.M. Entertainment requesting contract termination.
She Is (Hangul: 좋아 ; RR: "Joh ah " "good") is the first studio album by South Korean singer-songwriter Jonghyun, released on May 24, 2016 by S.M. Entertainment and distributed by KT Music.
Kim Jong-hyun (born April 8, 1990), better known by the mononym Jonghyun, is a South Korean singer-songwriter, and radio host.
 He is a vocalist of the South Korean boy group Shinee, and has further participated in S.M. Entertainment's project group S.M.
 The Ballad.
 Jonghyun debuted as a solo artist on January 12, 2015, with his first EP, titled "Base".
 In the same year, on September 17, Jonghyun released a compilation album, "Story Op.1".
 On May 24, 2016, Jonghyun released his first studio album, "She Is", followed by his second compilation album, "Story Op.2" on April 24, 2017.
The discography of the South Korean singer Kim Jong-hyun (most often credited as Jonghyun) consists of one studio album, two compilation album, one extended play, seven singles and six appearances in soundtracks.
 Jonghyun released his first extended play, "Base", on January 12, 2015.
 His first compilation album, entitled "Story Op.1", was released on September 17, 2015.
 Jonghyun released a collaboration single with Heritage titled "Your Voice" on March 18, 2016, for the project Station.
 On May 24, 2016, he launched his first studio album, "She Is", containing a total of 9 songs.
 On December 9, 2016, he released the song "Inspiration" for the project Station.
 He released his second compilation album, titled "Story Op.2", on April 24, 2017.
Kim Ki-bum (born August 21, 1987) is a South Korean actor and singer.
 He was a member of the South Korean boy band Super Junior.
 After the release of Super Junior's third studio album "Sorry, Sorry" in 2009, Kim announced his leave from the group to pursue his acting career.
 In 2015, Kim announced he ended his contract with S.M. Entertainment and departure from the group.
 Kim made his television debut in the Korean television drama, "April Kiss", in 2004.
I Just Wanna Dance is the debut extended play by South Korea-based American singer Tiffany.
 It was released by S.M. Entertainment on May 11, 2016.
 Lee Soo-man, former president of S.M. Entertainment, served as executive producer on the EP.
 The EP marked the official solo debut of Tiffany after having been known as a member of South Korean girl group Girls' Generation for nearly nine years.
 Musically, the record is a primarily synthpop album with elements of trap and R&B that draws heavy influence from American female artists of the 1990s.

Question: The discography of Kim Jong-hyun includes his first album which was released by S.M. Entertainment, and distributed by who?
Answer: KT Music