Originally belonged to a hip-hop group CB Mass until 2003, Gaeko and Choiza formed a duo Dynamic Duo. The duo released the first album Taxi Driver which includes great hits such as "Ring My Bell," "Sleep Disorder" and "Desert Island." Since the debut, this duo has made many hits like "Go Back," "Gone," "Chulcheck," "Solo," "Guilty" and so on. Dynamic Duo is a member of hip-hop crew "Movement" and they took part in the establishment of a hip-hop label "Amoeba Culture." After they were discharged from the military service, the duo released 6th album Digilog.
