Utada Hikaru Releases ‘Simple & Clean’ Remix Package, Will Return for ‘Kingdom Hearts 3′ ThemeUtada Hikaru Releases ‘Simple & Clean’ Remix Package, Will Return for ‘Kingdom Hearts 3′ ThemeThe Japanese pop superstar's 'Kingdom Hearts' classic gets remixed for the latest game in the series — and she's already working on a brand new theme.Bradley SternBradley Stern