Joseph Haule, popularly Professor Jay is a Tanzanian hip hop artist. He was formerly a member of the group Hard Blasters, best known for their hit "Chemsha Bongo" (then he used stage name "Nigga J"). During his solo career, he has released number of hits, including "Nikusaidiaje" and "Zali la Mentali (feat Juma Nature)". Just like Mr. II, he is a pioneering tanzanian MC, who have remained some of the most popular hip hop musicians in Tanzania, … Wikipedia
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