The second N.E.R.D. album, Fly or Die, was released March 23. Having written a half-good song for the Counting Crows, the all-powerful Neptunes have proved they can do anything.

"Adapt or die," might be the motto of headliners N.E.R.D. (an acronym for No One Ever Dies). Backed by Spymob, the trio of Pharrell Williams, Chad Hugo and Shay laid down their rap-inflected R&B ...