Daesung released a new single, "Cotton Candy" (Korean: 솜사탕), at the end of January 2010.
It was composed by Jung Ji-chen, with Daesung penning the lyrics.

In 2010, Daesung began his shoot for MBC's pre-produced musical drama What's Up, written by Song Ji-na.
It started airing on MBN channel on December 3, 2011. "
Lunatic", a track sung by Daesung for the drama's OST, was also released online on the same day.
Since November 2010, Daesung also became a host for the variety-talk show Night After Night.
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 Big Bang's 4th extended play (EP).
The song was first performed in Big Show 2011 concert in February.
On May 31, 2011, Daesung was involved in a car accident in which a motorcyclist died.
An investigation cleared the singer of charges, but he had to suspend his public activities with Big Bang for a period of time.

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.
From December 2011 to January 2012, he also performed for YG Family concerts which took place in South Korea and Japan.
Daesung made a comeback with the rest of the Big Bang members in March 2012 with their new mini-album Alive, which includes a solo track sung by Daesung titled "Wings", an "uplifting rock ballad" that received positive reviews.
Daesung released a new single, "Cotton Candy" (Korean: 솜사탕), at the end of January 2010. It was composed by Jung Ji-chen, with Daesung penning the lyrics.
In 2010, Daesung began his shoot for MBC's pre-produced musical drama What's Up, written by Song Ji-na. It started airing on MBN channel on December 3, 2011. "Lunatic", a track sung by Daesung for the drama's OST, was also released online on the same day. Since November 2010, Daesung also became a host for the variety-talk show Night After Night. 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 Big Bang's 4th extended play (EP). The song was first performed in Big Show 2011 concert in February. On May 31, 2011, Daesung was involved in a car accident in which a motorcyclist died. An investigation cleared the singer of charges, but he had to suspend his public activities with Big Bang for a period of time.
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. From December 2011 to January 2012, he also performed for YG Family concerts which took place in South Korea and Japan. Daesung made a comeback with the rest of the Big Bang members in March 2012 with their new mini-album Alive, which includes a solo track sung by Daesung titled "Wings", an "uplifting rock ballad" that received positive reviews.
Daesung