MBLAQ, (an acronym for Music Boys Live in Absolute Quality) (KOR: 엠블랙) is a South Korean boy band created by Korean pop R&B singer, producer and actor Rain (비) under a branch of his label J.Tune Entertainment called J.Tune Camp. The three members include Seung Ho, G.O, and Mir. Former members Joon and Thunder/Cheon Doong left the group in late 2014 upon the expiry of their contracts. The group debuted on October 9, 2009 at Rain's Legend of Rainism concert.
On October 14, 2009 the group released their debut single album, Just BLAQ, which topped various on-line and off-line music charts in South Korea. The group then released their second single album Y on May 19, 2010, and on January 10, 2011, MBLAQ released their first studio album, BLAQ Style.