Korean quintet Big Bang were one of the most popular international K-pop groups to emerge in the 2000s. The size and membership of the R&B-influenced outfit -- the brainchild of the YG Entertainment Group -- was determined via an 11-part documentary television series that made its debut in 2006. For the most part, the bandmembers had previous experience in the pop music world; for example, members G-Dragon and Taeyang were signed to YG at the age of 12 and had been performing together for some time. After vying for the final five spots in Big Bang during the television show, t...