Music Opera Philosophy and aesthetics 29 History and criticism 20 History 17 Social aspects 13 Criticism and interpretation 11 more ... Political aspects 5 Aesthetics 4 Appreciation 4 Motion pictures 4 Concerts 3 Enlightenment 3 Modernism (Music) 3 Music appreciation 3 Musical criticism 3 Musicals 3 Operas 3 Sex in opera 3 Analysis, appreciation 2 Composition (Music) 2 Conducting 2 Espionage 2 In opera 2 Instruction and study 2 Interpretation (Phrasing, dynamics, etc.) 2 Jazz 2 Knowledge 2 Music and literature 2 Music and state 2 less ...