Patty Griffin's simultaneously organic and otherworldly pipes give her a presence all her own, but she blends in beautifully with a broad array of other artists as well. She sounds just as comfortable crooning in Spanish alongside Mavericks frontman Raul Malo on the Mexican-flavored "Virgen de Guadalupe" as she does stomping and shouting her way to glory with gospel legends The Blind Boys of Alabama on the wall-shaking "Jubilee."