No, this isn't an April Fool's joke, though if it is, Diggy Simmons wins because this is absolutely hilarious. But apparently he's pretty pissed at former buddy -- see the above photo -- J. Cole for numerous reasons and decided to release a diss track, "What You Say to Me," outlining exactly why he's so frustrated.
Those are the two main reasons that Simmons is going at Cole here on "What You Say to Me," which features such lyrical gems as "Who you gonna call? You ain't got no friends." Bwahaha, you can listen to the track below.