You wish
***Edit***If you read correctly it says he said to change sounds like Nelly did as in Nelly went from folk to pop. Nothing about the actual sound of the album.
And if you've heard The Fame and Red and Blue EP you would know that HALF the album still sounds like the old Stefani.
RedOne created the NEW sound off The Fame (LoveGame, Just Dance, BBB, MH, PokerFace, Just Dance)
And there is no connection to Nelly.