Kang Dae-sung was born in Seoul's Itaewon neighborhood and from a young age, he acquired an interest in becoming a singer.

[citation needed] BigBang's debut was fairly successful, with their first studio album, Big Bang Vol.1 – Since 2007, getting sales of over 100,000 copies.

[10][11] Shortly after the debut of BigBang, Daesung was diagnosed with voice chord nodules and developed sociophobia and stage fright.

[14] The same year, he joined the SBS reality variety show Family Outing as a permanent cast member.

He also made his musical debut in Korean production of Cats, playing the role of Rum Tum Tugger.

[citation needed] Daesung released his second trot single titled "Big Hit" (대박이야; Daebakiya) in 2009.

[17][18] He was returning to Seoul from a filming location for Family Outing when the accident occurred on the Pyeongtaek Express highway, Gyeonggi Province.

Daesung, who was in the passenger seat, broke his nose, injured his back and sustained minor bruises on his face and arms.

Daesung fully recovered and made his return to BigBang in October 2009, joining the group to perform at the Dream Concert.

That same year, Daesung recorded a duet with Family Outing co-star Lee Hyori titled "How Did We Get", featured on the latter's album.

In 2011, Daesung released a solo song, "Baby Don't Cry", which was included in BigBang's 4th extended play (EP).

[23] An investigation cleared the singer of charges,[24] but he had to suspend his public activities with Big Bang for a period of time.

[25] Daesung had his first public appearance after the incident on November 6, 2011 when he attended the MTV Europe Music Awards in Belfast, Northern Ireland.

The D'scover Tour kicked off on March 23 at Kobe's World Memorial Hall and ended on June 18 at Kanagawa's Yokohama Arena,[33] with an attendance of 100,000 fans.

[36] The track "I Love You", featuring Taro Hakase, was released as a physical single and peaked at number five in Oricon's Weekly Album Chart.

[37] To support his album, Daesung continued with his second Japanese tour, visiting nine cities and drew a total of 170,000 fans from 17 shows.

[44][45] To thank fans for their support, YGEX announced that Daesung would hold a solo encore concert tour in Japan.

[46][47] On the 2nd show at Yoyogi, Linda Yamamoto, who is the original singer of the song "Donimo Tomaranai", made a surprise appearance.

[55] The album contained seven songs written and composed by top Japanese artists, including Ayaka, Hata Motohiro, Kameda Seiji and Daesung himself.

[61] On July 25, 2019, was reported that a building in Gangnam, that Daesung purchased in 2017 before his military enlistment, has been operating an illegal entertainment business.

[72][73] Daesung began his two-year mandatory military service by entering the 27th Infantry Division's boot camp in Hwacheon, Gangwon Province as an active duty soldier on March 13, 2018.