Genres & Styles MUSIC 85 Opera 76 Operas 72 Librettos 44 Opéras 44 Criticism and interpretation 31 Classical 9 Music 7 Printed Music 6 History and criticism 5 Instruction & Study 5 Reference 5 Musik 4 Musique 4 Lyrics 3 Oper 3 Opera & Classical Scores 3 Vocal 3 Voice 3 Appreciation 2 Castrati 2 Castrats 2 Geschichte 1900-2000 2 Histoire et critique 2 In opera 2 Music and magic 2 Music and occultism 2 Musique et magie 2 Musique et occultisme 2