Knaben Wunderhorn, Des

(1805–08; German: “The Boy's Magic Horn”), anthology of German folk songs, subtitled Alte deutsche Lieder (“Old German Songs”), that established its editors, the poet Clemens Brentano and the antiquarian Achim von Arnim (qq.v.), as leaders of the Romantic movement by reviving enthusiasm for the Volkslied (“folk song,” or “peasant song”) tradition in German lyric poetry. Reputedly genuine folk