MBLAQ (Korean: 엠블랙, Japanese: エムブラック; an acronym for Music Boys Live in Absolute Quality) is a South Korean boy band created by South-Korean entertainer Rain under J. Tune Camp. The group consists of Seungho, G.O, Lee Joon, Cheondung, and Mir. The group debuted on October 15, 2009, at Rain's Legend of Rainism concert.

On October 14, 2009, the group released their debut single album, Just BLAQ, which topped various online and offline music charts in South Korea. The group then released their first extended play album Y on May 19, 2010, and on January 10, 2011, MBLAQ released their first studio album, BLAQ Style.