Kim Jung-mo (born March 26, 1985), better known by the mononym Jungmo or X-mas, is a South Korean guitarist, songwriter and record producer. He debuted in 2004 as a member of South Korean rock band TRAX and has further participated in its project group with Super Junior’s Heechul, M&D.
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). They released their debut single, “Close Ur Mouth”. Heechul wrote the lyrics and directed the music video for the song, while Jungmo produced and performed the instrumental. Their first live performance was at Mnet’s summer awards ceremony 20’s Choice on July 7.
He enlisted for two years of mandatory military service, on 25 October 2012. They were originally schedule 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 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, which peaked at number two on the Gaon album Chart.
On April 15, 2016, 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.