Opera History and criticism 46 Music 33 Operas 28 History 27 Social aspects 18 Production and direction 16 more ... Political aspects 12 Criticism and interpretation 10 Dramaturgy 9 Philosophy and aesthetics 8 Singers 7 Music and literature 6 Concerts 5 Libretto 5 Musical analysis 5 Composers 4 Musicians 4 Performances 4 Theaters 4 Composition (Music) 3 Enlightenment 3 Influence 3 Intellectual life 3 Music appreciation 3 Musicals 3 Stage-setting and scenery 3 Acting 2 Acting in opera 2 Appreciation 2 less ...