Columbia subject headings:
Ethnomusicology--Congresses.
Folk music--History and criticism--Congresses.
Music--History and criticism--Congresses.
Music--Social aspects--Congresses.
Musical theater--History--Congresses.
Harvard subject headings:
Ethnomusicology--Congresses
Folk music--History and criticism--Congresses.
Music--History and criticism--Congresses
Music--Social aspects--Congresses
Musical theater--History--Congresses.
Princeton subject headings:
Ethnomusicology--Congresses.
Folk music--History and criticism--Congresses.
Music--History and criticism--Congresses.
Music--Social aspects--Congresses.
Musical theater--History--Congresses.