When did the boy band that Dong Young-bae is a member of debut?
Taeyang: Dong Young-bae (; born 18 May 1988), better known by his stage name Taeyang (meaning "sun" in Korean) and SOL (when performing in Japan), is a South Korean singer, songwriter and dancer. Taeyang:  Six years later, he made his debut in 2006 as a member of the South Korean boy band Big Bang.
i don't know