[5] On August 1, 2012, Lil Wayne confirmed the release date of the mixtape when he called into DJ Drama's Hot 107.9 radio show.

said, "Wayne's current stylistic tack of relying entirely on rap metaphors, along with a thematic scope limited almost exclusively to sex and periodic sprinkles of king-of-the-hill braggadocio, leaves listeners awash in an endless streams of exhausting wordplay, with relatively few moments of genuine, smirk-inducing entertainment.

"[19] Jody Rosen of Rolling Stone said, "This summer, Lil Wayne told a radio station that rap had become "boring," and that he prefers to spend time on his skateboard.

Yet on much of this mixtape, he sounds less bored than he has in years, drawling filthy, funny rhymes over beats borrowed from Rick Ross, 2 Chainz and more.

There are a dozen or so good punch lines scattered on D4, enough to make it fun enough for one listen "[20] All tracks were arranged by DJ Drama.