Robin Leaver is internationally recognized as a hymnologist, musicologist, liturgical expert, Bach scholar, and Reformation specialist. He has authored numerous books and articles in the cross-disciplinary areas of liturgy, church music, theology, and hymnology. He has taught at Wycliffe Hall Oxford, Westminster Choir College, Princeton, Drew University, Madison, and is currently visiting professor at Yale University and at Queen’s University, Belfast. Dr. Leaver is the author of a small pamphlet entitled J. S. Bach as Preacher: His Passions and Music for Worship and The Whole Church Sings: Congregational Singing in Luther’s Wittenberg. He has also contributed a number of articles to the encyclopedic Oxford Composer Companions volume on Bach.