If N.E.R.D’s debut still had one sneaker in the hip hop world, then this follow-up signals an unapologetic dive into the rock circle pit. From the melodic gallop of Joel and Benji Madden collaboration “Jump” to the Lenny Kravitz-assisted uplift of “Maybe”, there’s a stadium-sized expansiveness to Fly or Die that recalls ‘70s funk. Then there’s “She Wants to Move”: a hypnotically percussive monster that may just be the best thing they’ve recorded.