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
Bastien und Bastienne act coldly towards Bastien, which will make him come running back. Bastien is heard approaching, so Bastienne hides herself. Bastien swaggers in, proclaiming how much he loves Bastienne. Colas informs him that Bastienne has a new lover. Bastien is shocked and asks the magician for help. Colas opens his book of spells and recites a nonsense aria filled with random syllables and Latin quotations. Colas declares the spell a success and that Bastienne is in love with Bastien once more. Bastienne, however, decides to keep up the game a bit longer and spurns Bastien with great vehemence. Bastien threatens suicide,