Robin A. Leaver is Honorary Professor at Queen's University Belfast. Former president of the American Bach Society, he has written over twenty-five books, including 'Goostly psalmes and spirituall songes': English and Dutch Metrical Psalters from Coverdale to Utenhove, 1535 1566 (1991), Liturgy and Music: Lifetime Learning (with Joyce Ann Zimmerman, 1998) and Luther's Liturgical Music: Principles and Implications (2007). His current research involves several projects on Bach studies.