Penelope Gouk, Emerita, University of Manchester. Her recent publications include Musical Healing in Cultural Contexts, and she is currently writing about changing medical explanations for music's effects between the Renaissance and Enlightenment. Helen Hills is Professor of Art History at the University of York, UK. She has published widely on seventeenth-century Italian architecture, including Invisible City: the architecture of devotion in aristocratic convents in baroque Naples, and is the editor of Architecture and the Politics of Gender in Early Modern Europe.