Live Recording, WDR Köln 1959 Cast  Joan Sutherland, Fritz Wunderlich, Norma Procter, Jeannette van Dijck, Nicola Monti, Thomas Hemsley, Kölner Rundfunkchor, Capella Coloniensis, Ferdinand Leitner Producer  Karl O. Koch Artistic Supervsion, Liner Notes  Thomas Voigt Released  2008 CD  Deutsche Grammophon