When eight-year-old Lucrezia Orsina Vizzana (1590-1662) entered one of the preeminent convents in Bologna in 1598, she had no idea what cloistered life had in store for her. Thanks to clandestine instruction from a local maestro di cappella--and despite the church hierarchy's vehement opposition to all convent music--Vizzana became the star of the convent, composing works so thoroughly modern and expressive that a recent critic described them as "historical treasures." But at the very moment when Vizzana's works appeared in 1623--she would be the only Bolognese nun ever to publish...