Der Rosenkavalier (The Knight of the Rose), Op. 59, is a comic opera in three acts by Richard Strauss to an original German libretto by Hugo von Hofmannsthal and Harry von Kessler. It is loosely adapted from the novel Les amours du chevalier de Faublas by Louvet de Couvrai and Molière’s comedy Monsieur de Pourceaugnac. It was first performed at the Königliches Opernhaus in Dresden on 26 January 1911 under the direction of Max Reinhardt. Until the premiere, the working title was Ochs von Lerchenau. (The choice of the name Ochs is not accidental, for in German Ochs is translated as ox, which depicts the character of the Baron throughout the opera.)
The opera has four main characters: the aristocratic Marschallin, her very young lover Count Octavian Rofrano, her coarse cousin Baron Ochs, and Ochs’ prospective fiancée Sophie von Faninal, daughter of a rich bourgeois. At the Marschallin’s suggestion, Ochs has Octavian act as his Rosenkavalier, and present the ceremonial silver rose to Sophie. But when Octavian meets Sophie, they fall in love on sight. By a comic intrigue, they get rid of Ochs with the help of the Marschallin, who then yields Octavian to the younger woman. But while a comic opera, Der Rosenkavalier also operates at a deeper level. Conscious of the difference in age between herself and Octavian, the Marschallin muses in bittersweet fashion over the passing of time, growing old, and men’s inconstancy.