Operas 36 Scores 27 Musicals 26 Librettos 22 Librettists 11 Vocal scores with piano 8 History and criticism 7 Opera 7 Composers 5 History 5 MUSIC 5 Music 5 Oratorios 5 Criticism and interpretation 4 Genres & Styles 4 Excerpts 3 Promptbooks 3 Stage-setting and scenery 3 Theaters 3 Cantatas, Secular 2 Continental European 2 Dramatists, English 2 Dysfunctional families 2 International relations 2 MUSIC / History & Criticism 2 Masques with music 2 Musical theater 2 Relations 2 Women composers 2 Women in opera 2