Input (grade 13): Significant modern impresarios in the traditional sense include Rudolf Bing, Sergei Diaghilev, Richard D'Oyly Carte, Fortune Gallo, Sol Hurok, Aaron Richmond, and jazz festival producer George Wein.
Output (grade 10): Some very famous impresarios from the past include Rudolf Bing, Sergei Diaghilev, Richard D'Oyly Carte, Fortune Gallo, and Sol Hurok.