William Harper
William Matteuzzi, David Harper
Bruce Ford, David Harper, William Matteuzzi
Nelly Miricioiu, Bruce Ford, William Matteuzzi, Majella Cullagh, David Harper
Bruce Ford, Alastair Miles, David Harper and William Matteuzzi
Dietrich Fischer-Dieskau/Heather Harper/Judith Blegen/Sir Geraint Evans/Birgit Finnila/John Fryatt/William McCue/John Alldis Choir/English Chamber Orchestra/Daniel Barenboim