Columbia subject headings:
Electronic music--History and criticism--Congresses.
Music and technology--Congresses.
Music--20th century--History and criticism--Congresses.
Music--20th century--Philosophy and aesthetics--Congresses.
Harvard subject headings:
Electronic music--Congresses.
Music and technology--Congresses.
Music--20th century--Congresses
Music--20th century--Philosophy and aesthetics--Congresses.
Princeton subject headings:
Electronic music--Congresses.
Music and technology--Congresses.
Music--20th century--Congresses.
Music--20th century--Philosophy and aesthetics--Congresses.