They say strange things in this Georgia-set diva duel over the hearts and larynxs of a gospel choir. "There's always free cheese in the mousetrap," says Queen Latifah, "but trust me: the mice there ain't happy." "Trying to fool me is like trying to sneak sunrise past a rooster," says Dolly Parton. Gradually the homilies become more complex, the references – square eggs, cakes of baby – more oblique and the women work out they're not so different after all. Todd Graff's film sags badly in the middle and is clunky with social context (recession, Asperger's), but there's enough good heart to see you through. Kris Kristofferson dies early on then returns as the world's most brightly lit ghost.