John Witvliet is Professor of Music and Director of the Institute of Worship at Calvin College, Grand Rapids, Michigan. He is one of the leading voices in matters of Christian worship and has published numerous books on the subject, including The Biblical Psalms in Christian Worship: A Brief Introduction and Guide to Resources.

• Prospects for Psalm Singing in an Era of Liturgical Change (Click on link to hear audio)
  

Mark E. Ross is Associate Professor of Systematic Theology at Erskine Theological Seminary and Director of the Institute for Reformed Worship. He is a graduate of the University of Pittsburgh (B.A.), the Pittsburgh Theological Seminary (M.Div.), and Keele University in England (Ph.D.).

• What Place Should Psalm Singing Have in Christian Worship (Click on link to hear audio)

Terry Johnson is the Senior Minister of Independent Presbyterian Church in Savannah, Georgia. He received his seminary education at Trinity College in Bristol, England and Gordon-Conwell Theological Seminary in South Hamilton, Massachusetts. He completed his D.Min. at Erskine Theological Seminary in 2008. He is the author of several books, including Reformed Worship, and the editor and compiler for Leading in Worship and the Trinity Psalter.

• The History of Psalm (Click on link to hear audio)

Robby Bell is Professor of Pastoral Care and Counseling and Dean of Erskine Theological Seminary. He is a graduate of Erskine College (A.B.), Erskine Theological Seminary (M.Div.), and The Southern Baptist Theological Seminary (Th.M. and Ph.D.)

• Lament for a Wounded Faith (Click on link to hear audio)

• Panel and Open Discussions (Click on link to hear audio)
• Thursday Afternoon's Prayer Service - Singer's Plea (Click on link to hear audio)