Opéras Operas 230 MUSIC 179 Opera 151 Librettos 144 Genres & Styles 142 Analysis, appreciation 48 Analyse et appréciation 47 Criticism and interpretation 41 Printed Music 41 Instruction & Study 34 Voice 32 Lyrics 31 Vocal 31 Oper 10 Opéra 8 Scores 8 Interprétation 7 Opera & Classical Scores 7 Characters and characteristics in opera 6 General 6 History and criticism 6 Performances 6 Personnages 6 Interpretation (Phrasing, dynamics, etc.) 5 Music 5 Vocal scores with piano 5 Histoire et critique 4 History & Criticism 4 Individual Composer & Musician 4