Christopher Booker:
Wrapped around the outside of the Brooklyn Public Library’s central branch, rap lyrics from the last 25 years, inside its grand lobby, the hands of the man who wrote them, Shawn “Jay-Z” Carter.
This hand gesture, in the shape of a diamond or rock, originally represented his Roc-A-Fella record label. It’s now synonymous with the rapper himself, says Desiree Perez, a longtime friend of Jay-Z’s and CEO of his entertainment empire, Rock Nation.