It's been three years since the songwriting duo Zhané (Renee Neufville and Jean Norris) released Pronounced Jah-Nay, but the album's lighthearted sexy-groove tunes still stand out among the legion of new R&B groups on the old soul bandwagon. With its party-down message and cool, mildly retro soul sound, Saturday Night, Zhané's second effort, is more of the same, and that ain't a bad...