Operas 287 MUSIC 208 Genres & Styles 194 Opera 194 Opéras 166 Criticism and interpretation 153 Librettos 128 Analyse et appréciation 32 Analysis, appreciation 32 Printed Music 15 Instruction & Study 14 Lyrics 14 Vocal 14 Voice 14 In opera 4 Opera programs 4 Programmes 4 Music 3 Music, Dance, Drama & Film 3 MUSIC / Instruction & Study / Voice 2 MUSIC / Lyrics 2 MUSIC / Printed Music / Vocal 2 Printed Music, Vocal 2 Scenarios 2 Étude et enseignement 1 General 1 Instruction and study 1 Music Literature 1 Musicals 1 Opera & Classical Scores 1