NEW YORK – Pioneering hip-hop artist Jay-Z is officially the first rapper to become a billionaire. Forbes’ new cover story about Jay-Z’s rise to inordinate wealth places him in the upper echelons of all entertainers. According to the business magazine, only a handful of entertainers have reached the same lofty heights – and Jay-Z is the only one to leverage his massive hip-hop fame to get there. The Forbes article catalogues Jay-Z’s various holdings – which go beyond his albums and his much-publicized streaming service. The magazine adds up the value of each, and subtracts a sum that represents costs associated with his fame. •Armand de Brignac champagne: $310 million •Cash & investments, including a stake in Uber worth an estimated $70 million, $220 million •D’Ussé cognac: $100 million •Tidal streaming service: $100 million •Roc Nation: $75 million •Music catalog: $75 million •Art collection: $70 million •Real estate: $50 million.