La Cieca applauds cosmodimontevergine for so elegant a solution to the previous Regie quiz. As hinted by the YouTube clip, the piece is indeed Kalman’s Die Csárdásfürstin, as performed at Oper Köln in a production by Bernd Mottl. A clip from this unusual take on the classic operetta, plus our next Regie quiz, after the jump.

And now, cher public, can you name this opera?