Criticism and interpretation 33 Composers 29 Music 29 Opera 22 Influence 15 Operas 15 History and criticism 13 more ... Musique 13 Philosophy and aesthetics 13 Compositeurs 10 Histoire et critique 8 Analysis, appreciation 6 Oper 6 Performances 6 Rezeption 6 Dramaturgy 5 History 5 Influence (Literary, artistic, etc.) 5 Social aspects 5 Appreciation 4 Aspect social 4 Critique et interprétation 4 Der Ring des Nibelungen (Wagner) 4 Music and literature 4 Musik 4 Opéra 4 Opéras 4 Philosophie et esthétique 4 Philosophy 4 Production and direction 4 less ...