Though they've got some of the most mellifluous voices in the biz, SWV almost wind up as backup singers on their new Release Some Tension. Wedding themselves to the new hit juggernaut – hip-hop mixed with R&B – the New Yorkers in three Sisters With Voices carry water for rappers-of-the-moment Puff Daddy, Lil' Kim and Foxy Brown, as well as for such veterans as Redman and Snoop Doggy...