Klaus Pietschmann (DE) received his PhD in musicology from the University of Münster with a doctoral thesis on the papal chapel during the pontificate of Paul III. After an appointment at the University of Zurich (2003–6), where he finished his habilitation with a study on Viennese opera around 1800, he was assistant professor of musicology at the University of Bern (2006–9) and Deborah Loeb Brice Fellow of the Harvard University Center for Italian Renaissance Studies Villa I Tatti in Florence (2008/9). Currently he is professor of musicology at the Johannes Gutenberg University of Mainz. His research interests are the social, institutional, and theological aspects of sacred music in late-medieval and early modern Italy and Germany, iconography, and eighteenth- and nineteenth-century Viennese opera. Recent publications include Der Kanon in der Musik (ed. with Melanie Wald-Fuhrmann, 2013) and Musikalische Performanz und päpstliche Repräsentation in der Renaissance (ed., 2014).