Joseph Dyer taught music history at the University of Massachusetts Boston until his retirement in 2001. He has published about a hundred articles, book chapters, and encyclopedia entries on topics relating to the chant and liturgy of Late Antiquity and the Middle Ages (especially Rome), psalmody, monasticism, performance practice, medieval music theory, and music in the intellectual life of the Middle Ages. He is an Associate of the American Guild of Organists and a Fellow of the Royal School of Church Music.