Monteverdi: L'Orfeo (1955), Vol. 1 Helmut Krebs, Hanni Mack-Cosack, Margot Guilleaume, Hildegard Wild, Hamburg State Music Academy Chorus, Hitzacker Summer Festival 1955 Orchestra & August Wenzinger
Monteverdi: L'Orfeo (1955), Vol. 2 Helmut Krebs, Hanni Mack-Cosack, Margot Guilleaume, Hildegard Wild, Hamburg State Music Academy Chorus, Hitzacker Summer Festival 1955 Orchestra & August Wenzinger