Verdi: Simon Boccanegra
MacNeil, Ligabue, Cossutta, Wildermann, Mastromei; Previtali
Buenos Aires, 1967
$9.95
Verdi: Simon Boccanegra
Taddei, Cavalli, Labò, Clabassi, Mastromei; Previtali
Buenos Aires, 1961
$9.95
Wagner: Tristan und Isolde
Dvorakova, Parly, Töpper, Crass, Feldhoff; Previtali
Buenos Aires, 1966
