- Lesley Fyson, Hans Hotter, Rudolf Christ, Anna Moffo, Geoffrey Walls, John Hauxwell, David Winnard, Philharmonia Orchestra, Dietrich Fischer-Dieskau, Elisabeth Schwarzkopf, Karl Schmitt-Walter, Manoug Parikian, Edward Darling, Edgar Fleet, Eberhard Wächter, Dennis Wicks, Raymond Leppard, Christa Ludwig, Nicolai Gedda, Dermot Troy, Raymond Clark, Ian Humphries