William Byrd's Gradualia is one of the most unusual and elaborate musical works of the English Renaissance. This large collection of liturgical music, 109 pieces in all, was written for clandestine use by English Catholics at a time when they were forbidden to practice their religion in public. When Byrd began to compose the Gradualia, he turned from the penitential and polemical extravagances of his earlier Latin motets to the narrow, carefully ordered world of the Counter-Reformation liturgy. It was in this new context, cut off from his familiar practice of choosing...

William Byrd's Gradualia is one of the most unusual and elaborate musical works of the English Renaissance. This large collection of liturgical music, 109 pieces in all, was written for clandestine use by English Catholics at a time when they were forbidden to practice their religion in public. When Byrd began to compose the Gradualia, he turned from the penitential and polemical extravagances of his earlier Latin motets to the narrow, carefully ordered world of the Counter-Reformation liturgy. It was in this new context, cut off from his familiar practice of choosing...