Columbia subject headings:
Classicism in music--Congresses.
Music--20th century--History and criticism--Congresses.
Harvard subject headings:
Classicism in music--Congresses.
Music--20th century--Congresses
Music--20th century--History and criticism--Congresses.
Neoclassicism (Music)--Congresses.
Princeton subject headings:
Classicism in music--Congresses.
Music--20th century--History and criticism--Congresses.
Neoclassicism (Music)--Congresses.