Columbia subject headings:
Music--Social aspects--Congresses.
Music--Social aspects--History--Congresses.
Sociology, Urban--Congresses.
Harvard subject headings:
Music--Social aspects--Congresses
Sociology, Urban--Congresses.
Princeton subject headings:
Art and society--History--Congresses.
Cities and towns--Social aspects--History--Congresses.
Music--Social aspects--History--Congresses.