20th century Adler Akademie Choir Amsterdam Concertgebouw Ataulfo Argenta Ballet Theater Orchestra Carl Philipp Emanuel Bach Felix Mendelssohn-Bartholdy Felix Prohaska Franz Liszt Franz Schubert Henry Cowell Ländler Leon Fleisher Leonard Bernstein Levine Morton Gould Music audiences Orchestre de la Suisse Romande Paris Conservatory Orchestra Performances Reviews Sound recording industry Sound recordings United States Vienna Orchestra Society Vienna State Opera Chorus Vienna State Opera Orchestra