Columbia subject headings:
Communism and music.
Music--Austria--20th century--History and criticism.
Music--Social aspects.
Harvard subject headings:
Communism and music.
Music--Austria--20th century--History and criticism.
Music--Social aspects
Socialism and the arts.
Working class--Austria--Songs and music--History and criticism.
Princeton subject headings:
Music--Austria--20th century--History and criticism.
Socialism and the arts.