Columbia subject headings:
Music--Physiological aspects--Congresses.
Music--Psychological aspects--Congresses.
Harvard subject headings:
Karajan, Herbert von.
Music--Physiological aspects--Congresses.
Music--Physiological effect--Congresses.
Music--Psychological aspects--Congresses
Princeton subject headings:
Karajan, Herbert von--Congresses.
Music--Physiological effects--Congresses.
Music--Psychological aspects--Congresses.