Bach as theologian? / Paul Brainard -- The meaning of entrance : liturgical commentaries and the introit tropes / Margot Fassler -- The sacred element in Handel's music / Alfred Mann -- The study of sacred music : a perspective from ethnomusicology / Kay Kaufman Shelemay -- The use of the Old Testament in Handel's Israel in Egypt / Robert R. Wilson -- Mozart's Requiem : the composer's departure for a new style of church music / Christoph Wolff.