Melva Wilson CostenMelva Wilson Costen is Helmar Emil Nielsen Professor Emeritus of Worship and Music at the Interdenominational Theological Center in Atlanta, Georgia, where she taught for thirty-two years. She chaired the committee that developed The Presbyerian Hymnal: Hymns, Psalms and Spiritual Songs and served on the Advisory Committee for the African American Heritage Hymnal. She is the author of several books. Read More Read Less