It involves the use of a kind of melodious declamation, the development of leitmotif, great orchestral elaboration, and a fusion of poetry, music, action, and scene into an organic whole
to the later works of Wagner: "Tristan und Isolde," "Die Meistersinger," "Rheingold," "Walküre," "Siegfried," "Götterdämmerung," and "Parsifal
An opera that avoids discrete numbers such as arias, recitatives, or ensembles, and in which the music reflects or embodies the action of the drama