"Musically, we're just somewhere else [with her]. The music is now very 3D. It's something you have to hear. ... We're just really excited. We feel like N.E.R.D. has always been the punks of hip-hop & the outcasts of alternative music—just a little different. But this time, we're taking no prisoners."
I think this is great news! I already like N.E.R.D.'s style, so the addition of what I'm sure are impressive vocal chops should only make them better. I don't really know anything about Rhea, but it's only a matter of time now!