Jungmo was debuted as a member of
TRAX under stage name X-Mas on July 20, 2004, with releasing their debut single
Paradox. TRAX released
extended play titled
Cold-Hearted Man on January 25, 2010. Jungmo with member Jay was contributed to written and composed all track from the albums. In 2011 he formed a project group with label mate
Heechul called
M&D (meaning "Midnight and Dawn" or "Miari and Dangae-dong", after the members' hometowns). Heechul wrote the lyrics and directed the music video for the song, while Jungmo produced and performed the instrumental. He enlisted for two years of
mandatory military service, on 25 October 2012. They were originally scheduled to enlist together, but Jung-mo's
scoliosis condition and a fractured collarbone delayed his enlistment. He served non-active duty as a public service worker for 23 months after completing four weeks of basic training. Due to the bandmembers' enlistment in the military,
TRAX went on an indefinite hiatus. In April 2015, M&D released their first EP,
Cottage Industry with the lead track "I Wish" digitally on April 16 and physically on April 20. The title track was also written and composed by the duo, and peaked at number two on the
Gaon album Chart. In August 2015, Jungmo was cast in the musical
Whale Whale, which was held from September 11 to November 15. On April 15, 2016, Kim Heechul released a duet with
Wheein for
SM Station. The single "Narcissus" was written by him and produced by Jungmo. In early July, M&D returned as
Kim Heechul & Kim Jungmo, with a second EP,
Goody Bag, and trot-rock lead track "Ulsanbawi" on July 12. On April 30, 2019, Jungmo left SM Entertainment after his contract ended. On July 23, 2019, Jungmo released his first single "Peach (복숭아) (featuring Henry)" since departure from SM Entertainment. In November 2019, Jungmo signed with PA Entertainment. Later that month, Jungmo released his second single "If It Was Me". It is a medium-tempo retro synthpop genre song with lyrics that contain the heartbreaking feeling of a man who comforts and cheers with his heart hidden during counseling, saying that there are people whom his unrequited partner has in mind. The lyrics are based on his actual experience. On June 14, 2021, Pink Fantasy released a teaser for their upcoming song "독(Poison)" featuring Jung Mo as the guitarist. The song was released 1 week later on June 21, 2021. ==Discography==