Se7en ft. Park Bom (2NE1) When I Can’t Sing @ SBS Inkigayo
Choi Dong wook (Korean:최동욱, born November 9, 1984), better known by his stage name Se7en, is a South Korean singer from YG Entertainment. He has released songs in South Korea, Japan, China and the United States.
Se7en accepted the lead role for the Korean drama Goong S, a spinoff of the drama Goong. The first episode of Goong S premiered on January 10, 2007 on MBC; the average nationwide rating for the entire series was 9.7%.
Goong S was the most searched and rewatched drama online; it ranked higher than its competition: KBS2 Dalja’s Spring and SBS Surgeon Bong Dal Hee. The drama has also gained a wide variety of support from international fans in the US, Thailand, Malaysia, Brazil, Australia, and Singapore.
Se7en has stated an intention to continue acting in the near future. Se7en had said that even though the drama was not of much of a success, he does not ever regret accepting the role of his character in the drama. It even helped Se7en to sing with more emotion during performances. He also mentioned that he was thankful to have a chance to work with the drama crew and take his career to a new level by acting.
Se7en, GDTOP, Park Bom medley 
2010: Korean comeback
Se7en made an official comeback in Korea after a 3 year long hiatus on July 31, 2010 with his 1st mini-album “Digital Bounce.” The album consisted of 6 songs including a song from his American debut titled ‘Money Can’t Buy Me Love’. His 2nd track ‘Digital Bounce’ featured the rapping skills of Big Bang’s TOP. Se7en began his follow up promotions in October with the song I’m Going Crazy which featured his long time girlfriend Park Han-Byul as the main actress in the music video. Throughout his comeback, Se7en attended many variety shows and even featured in fellow labelmate 2NE1’s hit reality show 2NE1TV, where he described his hardships in America and his hiatus. Se7en ended his promotions on the October 30, 2010.
Se7en has recently revealed, by means of 2NE1’s Nolza Japan Concert, that he is planning a comeback in Japan after his four year hiatus since 2007. He has revealed that this album will have a Pop concept and that his first official fanmeet will be on November 6 of this year. Se7en has also revealed that he will be releasing a digital single named Angel in November of this year, and will release a full Japanese album along side a Korean album in January 2012.
2012: Korean Comeback
Se7en released his 2nd mini-album on February 1, 2012 with title track When I Can’t Sing. The track was written and produced by JYP making it the first ever official collaboration between YG Entertainment and JYP Entertainment. [wikipedia]
Se7en feat. 2NE1 – Somebody Else (Ugly Remix)