EN
The study analyzes the view on the opera, musical drama and problem of art fusion issues given by the aestheticians Eduard Hanslick, Otakar Hostinsky and Josef Durdik. The view on Richard Wagner's incentives on the theory of opera, musical drama and collected artwork shows that it is not always the material of art works which is crucial, but also the way they are composed and presented. This position on the aesthetics and art theory was attained by structuralism and based, among other things, on the criticism of the form aesthetics.