During a time when Korean hip hop was still largely underground, they went on to experience great commercial success and many of their singles, including "Dance with DOC" (1997) and "Run to You" (2000) are now considered well-known iconic K-pop songs.

[1][2][3] Initially an underground group, DJ DOC became known to mainstream audiences for the satirical content of their lyrics, which often criticized societal injustices and overtly used profanity.

It garnered them both popularity and criticism during the mid to late 1990s; their songs became well known to a younger generation already disgruntled with the government's strict censorship rules regarding free speech but was also censored by radio and television stations for the provocative lyrics.

On August 9, 2013, Lee became a judge for season 5 of South Korean television talent show Superstar K.[8] In 2015 they made a guest appearance in the music video of "Tell Me One More Time", the comeback single of their counterparts Jinusean.

[9] DJ DOC was one of fifteen artists or groups, including the likes of Insooni, 2PM and Kim Tae-woo, headlining the medal ceremony aftershow for each day of the 2018 Winter Olympics.