Hit-Making Neptunes Become N.E.R.D.s
NEW YORK -- Bass vibrates through the wood-paneled studio, and the green monitor lights jump with the playback of a rapper named Jade spitting out a verse about guns and money. But what stands out in the mix is the trebly, metallic voice in the background, punctuating the verses: "Yea-uh! Uggghhhh-ah!"

