The breakthrough yearThe year he turned 21, he debuted in Deux, formed with Kim Sung-jae. The debut song was “Look Back at Me,” and Ilgan Sports writes that the group burst onto the Korean pop scene like a comet. At the end of that year he released a second album, Deuxism, and its track “We Are” became a hit.
In 1994, he released “In the Summer.” In April 1995, he released the third album Force Deux with “Break Off the Yoke,” and in July Deux broke up after a farewell concert. That November, Kim Sung-jae, who had performed with him, died.
In 1996, he wrote, composed and arranged Lula’s “3!4!” and released his first solo studio album, Do It! In 1997, he wrote Jinusean’s “Tell Me” and released the Deux best-of album Deux Forever. “Love, Fear” on it was a new song at the time.
In 1998, he released his second solo studio album, The Saga Continues... In 1999, he composed “Yeoljeong,” a track on Yoo Seung-jun’s third album. In 2000, he released his third solo studio album, Wanjeon Hiphop.
In 2004, he produced The New Classik...And You Don't Stop. For the next 13 years he released no new album under his own name. In 2011, he took part in the theme song for Mnet’s Moonnight 90 with the comedy duo UV. In 2013, he appeared as a producer on Mnet’s Show Me the Money 2 and led the D.O Crew.
In 2017, he started the collaboration project D.O.P.E. with other musicians. The first song, with Loco, was his first single in 13 years. In March 2019, news of his marriage and a pregnancy came out, and a daughter was born on May 16. In 2020, he appeared on a radio show and said he had lost 20 kg.
In 2022, he released “Dokkaebi,” the fifth D.O.P.E. single, with Gaeko and Superbee. In 2023, he released a project album, Dry Season, with Deepflow. In August 2025, he said he was preparing a fourth Deux studio album with Kim Sung-jae’s voice restored by AI. This came after “Look Back at Me” was used in Netflix’s animated film KPop Demon Hunters and drew new attention. In November he released “Rise,” a new song with the AI-restored voice. Under the Deux name, it came 28 years after the 1997 best-of album.
In December, a structure was set up to allocate part of the neighboring rights for “Rise” to Kim Sung-jae’s share. In April 2026, the year he turned 54, timed to Kim Sung-jae’s birthday, he released “Another Day,” the second single of the fourth-album project. In August he made the new jack swing song “Jeongmal” for the alter-ego album of Seventeen’s Dino. His father died the same month.
Lee Hyun-do (born Sep 5, 1972) debuted on Apr 1, 1993, the year he turned 21, in Deux, formed with Kim Sung-jae, and became known with the debut. Deux broke up in 1995, two years later, and in 2025, the year he turned 53, he released “Rise,” a new song with Kim Sung-jae’s voice restored by AI.
Ages are by calendar year (the year minus the birth year), birthdays aside.