Music 142 Operas 124 History and criticism 104 Opera 70 History 32 Composers 28 Music theory 21 more ... Musicians 18 Criticism and interpretation 13 Church music 11 Instruction and study 10 Librettists 10 Music and literature 10 Musical instruments 8 Organ (Musical instrument) 8 Philosophy and aesthetics 8 Libretto 7 Librettos 6 Manuscripts 6 Singing 6 Catholic Church 5 Harmony 5 Music, Greek and Roman 5 Songs, Italian 5 Chamber music 4 Continuo 4 Madrigals, Italian 4 Music in art 4 Acoustics and physics 3 Counterpoint 3 less ...