Emmerich Kalman - Duet Toni and Mabel from Die Zirkusprinzessin

Die Zirkusprinzessin (The Circus Princess) is an operetta in three acts by Hungarian composer Emmerich Kálmán to a German libretto by Julius Brammer and Alfred Grünwald. It premiered at the Theater an der Wien in Vienna on 26 March 1926 and went on to 344 performances there.