MUSIC 40 Opera 37 Criticism and interpretation 32 Genres & Styles 32 Music 20 Operas 20 Musique 18 Printed Music 15 Philosophy and aesthetics 10 Opera & Classical Scores 9 Influence 7 Opéras 7 Philosophie et esthétique 7 Composers 6 History 6 History and criticism 6 Instruction & Study 6 Compositeurs 5 Histoire 5 Histoire et critique 5 Influence (Literary, artistic, etc.) 5 Lyrics 5 Vocal 5 Voice 5 Analyse et appréciation 4 Analysis, appreciation 4 BIOGRAPHY & AUTOBIOGRAPHY 4 Composers & Musicians 4 Industrie 4 Modern 4