Jean-Miguel Garrigues is the author of twenty books on theology and spirituality. He collaborated on the preparation of the Catechism of the Catholic Church and helped prepare the act of repentance made by St. John Paul II on behalf of the Church in the year 2000. He belongs to the Dominican province of Toulouse, where for many years he taught dogmatic theology and where he continues to give numerous seminars and retreats.
Gregory Casprini entered the Solesmes monastery in 1973 and was ordained a priest in 1983 after receiving a bachelor’s degree in theology from the Catholic University of Angers. In 1998, he was sent with other brothers to found a new Benedictine monastery in Palendriai, Lithuania. Fr. Gregory has translated various articles on liturgy, theology, and Gregorian chant, including Dom Eugène Cardine’s An Overview of Gregorian Chant and Dom Jacques Hourlier’s Reflections on the Spirituality of Gregorian Chant.