Big Bang commonly stylized as BIGBANG, is a Korean hip-hop boyband. The group first gained recognition when their formation was documented on television from July 15 to August 13, on a show titled Big Bang Documentary. The show was also aired online on GomTV and on MTV Korea.Initially a six-member group, one member dropped out during the airing of the show before Big Bang's official debut, leading to their current line-up of G-Dragon, T.O.P, Taeyang, Daesung and Seungri.