Criticism and interpretation 159 Opera 111 Composers 110 Music 107 History 61 History and criticism 60 Influence 52 more ... Operas 49 Performances 36 Philosophy and aesthetics 34 Appreciation 26 Compositeurs 25 Analysis, appreciation 23 Antisemitism 22 Political and social views 20 Influence (Literary, artistic, etc.) 17 Musique 17 Rezeption 15 Oper 14 Production and direction 14 Relations with Jews 14 Dramaturgy 13 Philosophy 13 Political aspects 13 Art appreciation 12 Music and antisemitism 12 Aesthetics 11 Music and literature 11 Social aspects 11 Librettos 9 less ...