Columbia subject headings:
Avant-garde (Music)
Music--20th century--History and criticism.
Music--Interpretation (Phrasing, dynamics, etc.)
Harvard subject headings:
Avant-garde (Music)--Congresses.
Music--20th century--Congresses
Music--Interpretation (Phrasing, dynamics, etc.)--Congresses.
Princeton subject headings:
Avant-garde (Music)--Congresses.
Music--20th century--History and criticism--Congresses.
Music--Interpretation (Phrasing, dynamics, etc.)--Congresses.