The Concordia Choir, René Clausen
René Clausen, Stephen Paulus, Choir of Royal Holloway, Rupert Gough
René Clausen, Kansas City Chorale, Charles Bruffy
Eric Whitacre, Morten Lauridsen, Bob Chilcott, The King’s Singers, The Concordia Choir, René Clausen
Jaakko Mäntyjärvi, Frank Ticheli, Frank Martin, René Clausen, Phoenix Bach Choir, Kansas City Chorale, Charles Bruffy
René Clausen, The Concordia Choir, Dale Warland Singers, Manitou Singers
