Susan Rankin is Professor of Medieval Music at the University of Cambridge, Fellow of Emmanuel College and a Fellow of the British Academy. Professor Rankin's published works include The Music of the Medieval Liturgical Drama in France and England, 2 vols (1989), and Music in the Medieval English Liturgy: Plainsong and Mediæval Music Society Centennial Essays (1992), co-edited with David Hilley. She has also edited The Winchester Troper: Introduction and Facsimile, Early English Church Music 50 (2007), and with Wulf Arlt, Stiftsbibliothek Sankt Gallen Codices 484 and 381, 3 vols (1996). Professor Rankin has published numerous journal articles and book chapters on medieval music, its manuscripts and notations, and on ritual.