The year he turned 26, he released his debut single “Blink.” In 2013, he signed with AOMG, the label founded by Jay Park, as its first artist. That year he also composed Swings’s “A Real Lady.” In 2014, he made Loco’s “Hold Me Tight” and was overall producer of Loco’s first EP, Locomotive.
The breakthrough yearThe year he turned 29, he released the digital single “Just Do It” (feat. Loco), which held a high position on the music charts even among releases by major idol groups.
In 2016, he released the duo single “Good” with Loco. That year, on Show Me the Money 5, he formed a producer team with Simon Dominic, and their rapper BewhY won.
In 2017, he featured with Loco on Woo Won-jae’s “We Are.” In 2018, the song won Best Rap & Hip Hop Song at the Korean Music Awards. That year he also performed a joint stage with Loco on tvN 300.
In 2019, he produced the EP Hello, which Loco released on the day he enlisted, and released the digital single “TMI.” In 2020, on Show Me the Money 9, he prepared Lil Boi’s final-stage song “On Air” with Jay Park and Loco.
The year he turned 35, he released his first studio album, Grayground, nine years after debut. That year, on Show Me the Money 10, he formed a producer team with Song Min-ho.
In 2023, he was music director of the Netflix film Ballerina. In 2024, his contract with AOMG ended. That year he co-founded the agency duover with Code Kunst and Woo Won-jae.
In 2025, he formed a team with Loco as a producer on Show Me the Money 12. In 2026, he was music director of the film Project Y and the short drama My Child’s Father Is My Male Best Friend. That year, in the Show Me the Money 12 music-release mission, he led a team with Loco.
Gray (born Dec 8, 1986) debuted on May 16, 2012, the year he turned 26, with the digital single “Blink,” and released “Just Do It” (feat. Loco) on Apr 7, 2015, the year he turned 29. In 2021, the year he turned 35, nine years after debut, he released his first studio album, Grayground.
Ages are by calendar year (the year minus the birth year), birthdays aside.
Released the debut single “Blink,” featuring Zion.T and Crucial Star.
Source 01 · Wikipedia (Korean) · Gray (singer) · opens in a new tabSource 02 · Asia Today (Korean) · Introduction to Gray · opens in a new tabSource 03 · Sports Hankook (Korean) · “Just Do It” released · opens in a new tab The release date is from Wikipedia; only the debut year, 2012, and the birth year, 1986, were confirmed in news reports.Signed an exclusive contract with AOMG, the hip-hop label founded by Jay Park, and became its first artist.
Source 08 · E Today (Korean) · AOMG contracts expire · opens in a new tabSource 09 · The Fact (Korean) · Leaving AOMG · opens in a new tabSource 07 · Sports Kyunghyang (Korean) · Gray interview · opens in a new tabComposed Swings’s single, with a rap by Beenzino and a chorus by Zion.T.
Source 10 · Sports World (Korean) · Swings “A Real Lady” released · opens in a new tabMade “Hold Me Tight,” the title song of the digital single Loco released after a year’s break.
Source 35 · Dong-A Ilbo (Naver) (Korean) · Loco releases “Hold Me Tight” · opens in a new tabTook part as overall producer of Loco’s first EP and also produced the title song “You Don’t Know.”
Source 36 · Sports World (Naver) (Korean) · Loco’s first EP Locomotive · opens in a new tabA song about his own anxiety and pressure, first played on MBC FM4U’s Tablo’s Dreaming Radio the day before release. It held a high position on the music charts even among releases by major idol groups such as EXO and Miss A.
Reached No. 1 on at least seven real-time music charts, including Melon, Mnet and Bugs, ahead of EXO, Twice and others.
Source 11 · Donghaeng Media (Korean) · Loco and Gray “Good” all-kill · opens in a new tabSource 12 · OSEN (Korean) · New song of the night, Loco x Gray “Good” · opens in a new tabIn the live final, BewhY, a rapper on the team, won ahead of C Jamm and Superbee.
Source 13 · Star News (Korean) · Show Me the Money 5 winner BewhY (roundup) · opens in a new tabSource 14 · Sports Chosun (Korean) · Show Me the Money 5, BewhY on winning · opens in a new tabFeatured with Loco on Woo Won-jae’s digital single.
Source 15 · Naver Entertain (Korea Economic TV) (Korean) · Woo Won-jae’s “We Are” wins at the Korean Music Awards · opens in a new tab Confirmed to the month only. Reports gave the release as September of the previous year.The song by Woo Won-jae, on which Gray took part with Loco, won the award.
Source 15 · Naver Entertain (Korea Economic TV) (Korean) · Woo Won-jae’s “We Are” wins at the Korean Music Awards · opens in a new tabSource 16 · MBC Entertainment (Korean) · Woo Won-jae’s “We Are” up for three awards · opens in a new tabAfter a joint stage of “No Manners” with Loco, the 300 participants sang along to “Just Do It” and “You Don’t Know” in a surprise they had prepared without the two knowing.
Source 17 · Herald Muse (Korean) · tvN 300, Loco and Gray · opens in a new tabTook part as producer of the EP Loco released on the day he enlisted. The title song was “It’s Been a While” (feat. Zion.T).
Source 37 · Hankook Ilbo (Naver) (Korean) · Loco enlists, EP Hello · opens in a new tabSource 19 · OSEN (Korean) · Gray’s “TMI” release announced · opens in a new tabA song titled with the slang term for “too much information,” released through music sites at 6 p.m.
Source 18 · Star News (Korean) · Gray’s “TMI” released · opens in a new tabSource 19 · OSEN (Korean) · Gray’s “TMI” release announced · opens in a new tabPrepared Lil Boi’s final-stage song “On Air” with Jay Park and Loco.
Source 20 · Herald Muse (Korean) · Show Me the Money 9, Lil Boi wins (roundup) · opens in a new tabReleased the music video at 6 p.m. An album teaser unveiled six hours later showed it to be a song announcing his first studio album, Grayground.
Source 21 · Newsen (Korean) · Gray confirms a studio album nine years after debut · opens in a new tabIncluded the double title tracks “Make Love” (feat. Zion.T) and “Party for the Night.”
Source 21 · Newsen (Korean) · Gray confirms a studio album nine years after debut · opens in a new tabSource 22 · Sports Seoul (Korean) · Gray’s studio album confirmed for the 17th · opens in a new tabSource 23 · Newsen (Korean) · Gray releases studio album today · opens in a new tabFormed one of four producer teams, alongside Gaeko and Code Kunst, Zion.T and Slom, and Yumdda and Toil.
Source 24 · Sports Donga (Korean) · DA Today, Show Me the Money 10 premiere · opens in a new tabSource 25 · Star News (Korean) · Show Me the Money 10 craze (Focus) · opens in a new tabWorked on a film by director Lee Chung-hyun, his first time as a film music director.
Source 26 · Naver Entertain (Sports Chosun) (Korean) · BIFF, Gray as music director of Ballerina · opens in a new tabSource 27 · Wikitree (Korean) · October new releases including Netflix’s Ballerina · opens in a new tabThe label said his contract ended along with those of Woo Won-jae, Lee Hi and Goosebumps.
Source 08 · E Today (Korean) · AOMG contracts expire · opens in a new tabSource 09 · The Fact (Korean) · Leaving AOMG · opens in a new tabThe three serve as co-CEOs.
Source 28 · News1 (Korean) · Gray, Code Kunst and Woo Won-jae found duover · opens in a new tabSource 29 · Hankook Ilbo (Korean) · Gray, Code Kunst and Woo Won-jae co-found duover · opens in a new tabAnnounced in the producer lineup alongside Zico and Crush, Jay Tong and Hukky Shibaseki, and Lil Moshpit and Jay Park.
Source 30 · Insight (Korean) · Show Me the Money 12 lineup of eight producers · opens in a new tabWorked on a film by director Lee Hwan, with vocals by Hwasa, Kim Wan-sun, DeVita, Hoody and Ahn Shin-ae.
Source 31 · Dispatch (Korean) · Gray as music director of Project Y · opens in a new tabSource 34 · Hankyung (Korean) · Project Y on VOD 16 days after release · opens in a new tabA romantic comedy written and directed by Lee Byeong-heon, in the February launch lineup of the short drama platform Lezhin Snack.
Source 32 · Game Focus (Korean) · Lezhin Snack releases My Child’s Father Is My Male Best Friend · opens in a new tabIn the episode 8 music-release mission, he and Loco gave team members careful direction and a chance to practice on a real stage.
Source 33 · Joynews24 (Korean) · Show Me the Money 12, Gray and Loco’s music-release mission · opens in a new tabLoco signed an exclusive contract with duover Entertainment, joining Gray and Code Kunst under the same roof.
Source 38 · MHN Sports (Naver) (Korean) · Loco signs with duover Entertainment · opens in a new tabEND OF SELECTED RECORDSSelected records, 2012–2026 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Music · South Korea
Dec 8, 1986 —
Ages are counted from the birth year 1986: the year of the event minus 1986, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.09.29 · An independent archive, not affiliated with the person or their agency.