Vera Schwarz 10 July 1889 Zagreb - 4 December 1964 Vienna].
Vera can be heard singing here:
Wer Hat Die Liebe Uns In's Herz Gesenkt from Franz Lehar's operetta Das Land des Lächelns (The Land of Smiles). (From Columbia G-9042-M dated ca 1929) This recording is conducted by the composer. Tauber and Schwarz were two of the original performers of this work.
www.mathewedwardsen.com/classic_audio.htm 