Choi, to give far greater depth to the story of his family, immigrants from the West Bank who became successful clothiers in Orlando, Florida (one of their clients was the NBA star Shaquille O’Neal), only to apparently lose their wealth, in Khaled’s vague telling, to a federal government that considers the payment of taxes a major key to its own success. Khaled could have used the considerable talents of his ghostwriter, the journalist Mary H. Actually, it’s only a clause: “show me another Palestinian mogul who succeeded in hip-hop.” DJ Khaled’s new book is called The Keys, and it is less a book, as one might understand those antiquated cultural artifacts, than a director’s cut of his Snapchat feed assembled into occasionally coherent sentences organised into chapters with headings like “Be Yourself” and “Glorify Your Own Success.” The book is 212 pages long, and it contains exactly one interesting sentence.