Boris Martinovich & Michail Svetlev

Boris Martinovich & Stefka Mineva

Dimiter Petkov, Dimiter Stanchev, Michail Svetlev

Mincho Popov

Rosalind Plowright & Anna di Stasio

Hans Sotin & Manfred Jungwirth

Lucia Popp & Julia Varady

Michail Svetlev

Josef Frank

Michail Svetlev & Nicola Ghiuselev

Giorgio Zancanaro & Evgeny Nesterenko

René Kollo & Janis Martin

Gwenyth Annear

Hermann Prey & Julia Varady

Bernd Weikl & Hermann Prey