Voices of the Magi explores the popular Catholic musical ensembles of southeastern Brazil known as folias de reis (companies of kings). Composed predominantly of low-income workers, the folias reenact the journey of the Wise Men to Bethlehem and back to the Orient, as they roam from house to house, singing to bless the families they visit in exchange for food and money. These gifts, in turn, are used to prepare a festival on Kings' Day,...