Maureen Epp, Ph.D., has taught at the University of Toronto and at Conrad Grebel College, University of Waterloo. Her published research includes articles on French popular song and German vernacular religious song from the late fifteenth and early sixteenth centuries. Brian E. Power is Associate Professor of Music at Brock University, Canada. He has published on manuscript transmission and performance-practice issues associated with polyphonic liturgical music of the fifteenth century, with a specific focus on the introit repertory in the Trent Codices.