website years_active label article_title instruments name background birth_date genre origin birth_name occupation
http://www.k-official.com/ 2004 -- 2010 sony music entertainment , studioseven recordings k -lrb- singer -rrb-
 singing , piano k solo_singer 16 november 1983 j-pop r & b south korea kang yoon-sung singer
k -lrb- singer -rrb-

kang yoon-sung -lrb- born november 16 , 1983 in goyang -rrb- , better known by his stage name k , is a pop singer from south korea under contract in japan .
after the failure of his first album in south korea in 2004 , k crossed over to japan .
his first japanese album , `` beyond the sea '' , has achieved a sales of over 300,000 copies .
k put his musical activities on hold in 2010 so he could complete the korean mandatory military service .
