When did the group debut that Kang Sung-hoon is a part of?
Kang Sung-hoon (singer) Kang Sung-hoon (hangul:강성훈, born February 22, 1980) is a South Korean singer from the 90's South Korean boy group Sechs Kies. Sung-hoon is the main vocalist of SechsKies and is referred to having the best singing voice of the group. After Sechskies had disbanded in 2000, Sung-hoon pursued a solo singing career, signed under Laful Entertainment at the time. His nickname Hoony is the title for his third album and his official fan club is called Hoony World.
Block B Block B (Korean: ) is a South Korean boy group created by Cho PD in 2011. The group consists of seven members: Taeil, B-Bomb, Jaehyo, U-Kwon, Park Kyung, Zico and P.O.