Jay-Z Explains Concept Of Magna Carter Holy Grail In Final Samsung Commercial (Video)

    Jay-Z's upcoming album, Magna Carter Holy Grail, debuting on Samsung's exclusive app on July 4, is about the bright lights and the trappings of fame, according to his latest ad. The final ad in the series, which began during Game 6 of the NBA Finals, was only available via the app. S/o to Diddy's Revolt TV, which just went nationwide, for bringing it to the Internet.