Johann Strauss Jr. - "Wiener Blut", waltz Op.354 (1873). 
performed by 
Elena Zastavnaya (soprano) and Kirill Zharovin (baritone).

Wiener Blut ('Viennese Blood', 'Vienna Blood' or 'Viennese Spirit') Op. 354 is a waltz by Johann Strauss II first performed by the composer on 22 April 1873. The new dedication waltz was to celebrate the wedding of the Emperor Franz Joseph I's daughter Archduchess Gisela Louise Maria and Prince Leopold of Bavaria.