Columbia subject headings:
Harvard subject headings:
Art music
Cantatas
Cantatas, Secular--Excerpts.
Excerpts
Musicals
Musicals--Excerpts.
Operas
Operas--Excerpts
Popular music
Songs
Princeton subject headings:
Cantatas, Secular--Excerpts.
Excerpts.
Musicals--Excerpts.
Operas--Excerpts.
Operas.