Young Mahasi who his real names is Hasane Mathe, he was (born 1996 September 09). Young Mahasi is a South African rapper, songwriter and record producer. He started singing when he was 12 years of age at primary school. Young then developed the passion of writing songs when he was 13 years and eventually started recording music at the age of 16. In 2012, he and his longtime best friend A4, formed a duo known professionally as YMA4.