Mary Channen Caldwell is Associate Professor of Music at the University of Pennsylvania. She focuses her current research on medieval song, devotion, hagiography, dance, and religious conversion, and is the author of Devotional Refrains in Medieval Latin Song (2022). Anne-Zoé Rillon-Marne is Associate Professor at Université catholique de l’Ouest (Angers, France). Her work focuses on Latin lyric poetry in the Middle Ages, the relationship between music and preaching, and more broadly on musical manuscripts and performance practice.