H&S Magazine's Best Artist Of The Week: Diamond Platnumz. At this point, the anointed king of Bongo Flava must have surpassed his own wild expectations. From his base in Tandale, Dar es Salaam, the East African champion has steadily leapfrogged towards galactic ubiquity through collaborations with superstars like Davido, Fally Ipupa and Tiwa Savage. He’s bagged international spots, too, with Ne-Yo, Rick Ross and Omarion guesting on his songs. With every new album, the Tanzanian pop star’s outsize impact seems to grow.