Brown Eyed Girls is a South Korean girl group formed in 2006 under Nega Network. The group originally debuted with four members: Jea, Miryo, Narsha, and Gain. They gained popularity for their unique blend of pop, R&B, and hip-hop, showcasing strong vocal performances and diverse musical styles. The group is known for hit songs like "Abracadabra" and "Sign," which helped them achieve commercial success and critical acclaim. Over the years, Brown Eyed Girls has been recognized for their artistic concepts and mature themes, making them influential figures in the K-pop industry.