According to OkayPlayer.com:
New York Times best-selling author Adam Mansbach has enlisted the talents of J. Period on a mixtape being created as a companion-piece to his new novel Rage Is Backand OKP has the exclusive sneak peek! Check out the one and only Black Thought of the Legendary Roots Crew as he freestyles over the Nas classic N.Y. State of Mind, showing un-lettered MCs how to kill a damn mockingbird.
The putative G.O.A.T. touching what may just be raps perfectest beat is headline news in and of itself. But then theres the kind of novel that demands a J. Period-curated mixtape to soundtrack it. Unfolding like a fever dream of an impossible return to graffiti-era New York, Manbachs Rage Is Back delivers a mind-bending journey through a subterranean world of epic heroes and villains, and is already being called the great American graffiti novel.