John Hajdu Heyer is Professor Emeritus at the University of Wisconsin, Whitewater. He began his exploration of French sacred music from the time of Louis XIV during his years as a student in Paris with Nadia Boulanger (1967 70). His publications include two books and five critical editions of works by Jean-Baptiste Lully and Jean Gilles. His work as a musicologist and conductor has twice been recognized with the Noah Greenberg Award from the American Musicological Society for 'distinguished contribution to the study and performance of early music'. He has served on the Council of the American