Bian Oscar Rodríguez Galá, better known as El B, is a rapper who gained fame first as a member of the group Los Aldeanos. He later began releasing solo albums in 2006, starting with the debut album Mi filosofía.
He began his career in 2003 as a member of the group Cinco Palmas. That same year, he joined Los Aldeanos and they released their first album.
He won Red Bull's Batalla de los Gallos two years in a row in 2007 and 2008.
He married Lyda Cao and they have one son, Zen Rodríguez Cao.
He is a member of Los Aldeanos alongside his brother, AL2 El Aldeano.