Music Opera Philosophy and aesthetics 30 History and criticism 22 History 19 Social aspects 14 Criticism and interpretation 11 Gehiago ... Appreciation 5 Political aspects 5 Aesthetics 4 Jazz 4 Motion pictures 4 Music appreciation 4 Musicals 4 Analysis, appreciation 3 Concerts 3 Conducting 3 Enlightenment 3 Interpretation (Phrasing, dynamics, etc.) 3 Modernism (Music) 3 Musical criticism 3 Operas 3 Oratorios 3 Sex in opera 3 Composition (Music) 2 Espionage 2 In opera 2 Instruction and study 2 Knowledge 2 Music and literature 2 gutxiago ...