ANDREW AMUKELANI KOZA(born JANUARY 23) is a south african rapper, singer, songwriter, actor, and entrepreneur. Popularly known as Rex.Rex's musical style has been described as a fusion of traditional rap, hip hop, kwaito and and African pop.REX embarked his musical career as a teenager under the stage name YOUNG KING, Rex released a song titled BLACK MAMPATILE that garnered local attention.the song was a tribute to the Legendary south African BRENDA FASSIE.the song him got alot of radio plays .REX is presently signed to his record label experience Records