ver Cuevana 3. Glyndebourne's pulsating new production of the Waltz King's much-loved comic operetta. Its story centers on a magnificent masked ball, given by a Russian prince, that brings together all the main characters in various disguises. The three-act journey from boudoir to ballroom to jail provides ample opportunities for farce and humor, but also for genuine human emotion and a surprisingly realistic view of urban life.