Max Kalbeck was a close friend and partisan of Johannes Brahms. Kalbeck's principal achievement was his eight-volume biography of that composer, published from 1904 to 1914, which has never been translated into English. Kalbeck also edited several volumes of Brahms's correspondence and in 1918, the letters of the poets Gottfried Keller and Paul Heyse, as well as publishing two collections of his own music reviews. Kalbeck wrote new libretti for Mozart's "Bastien und Bastienne" and "La finta giardiniera"; and he revised those of "Don Giovanni" and "The Marriage of Figaro" for Gustav Mahler's productions at the Vienna Hofoper. In addition, he supplied
Down in the Valley (opera) Down in the Valley (opera) Down in the Valley is a folk-opera in one act by composer Kurt Weill and librettist Arnold Sundgaard, initially composed and conceived for the radio in 1945 then rewritten and produced in 1948. It uses famous American tunes to carry the story (including "Down in the Valley", "The Lonesome Dove", and "Hop Up, My Ladies") and connected by original choral music. This short opera, originally running only about 20 minutes, was conceived as the first of a series of radio operas by Olin Downes, the music critic of "The New York Times", and Charles McArthur,