Columbia subject headings:
Documentary films.
Folk dance music.
Folk dancing.
Folk music.
Harvard subject headings:
Folk dance music.
Folk dancing
Folk music
Folk songs
Music--Canada
Music--Caribbean Area.
Music--Central America.
Music--South America.
Music--United States
Princeton subject headings:
Folk dance music.
Folk dancing.
Folk music--Canada.
Folk music--Caribbean Area.
Folk music--Central America.
Folk music--South America.
Folk music--United States.
Folk songs.