Panellists: Virginia Ungar, Sergio Nick, and Heribert Blass (moderator)
French, Spanish and German recordings available.
Panellists: Angelika Staehle, Richard Fritsch, and Alfredo Ortiz Frágola
Marianne Leuzinger-Bohleber, Margaret Ann Fitzpatrick Hanly, Luisa Pérez-Suquilvide