Columbia subject headings:
Avant-garde (Music)--Spain--History--20th century.
Music--Political aspects--Spain--History--20th century.
Spain--Intellectual life--20th century.
Totalitarianism and music--Spain--History--20th century.
Harvard subject headings:
Avant-garde (Music)--Spain--History--20th century.
Music--Political aspects--Spain--History--20th century.
Spain--Intellectual life--20th century
Totalitarianism and music--Spain--History--20th century.
Princeton subject headings:
Avant-garde (Music)--Spain--History--20th century.
Music--Political aspects--Spain--History--20th century.
Spain--Intellectual life--20th century.
Totalitarianism and music--Spain--History--20th century.