Columbia subject headings:
Monotheism--Congresses.
Music--Religious aspects--Congresses.
Sacred music--Congresses.
Harvard subject headings:
Monotheism--Congresses.
Music--Religious aspects--Congresses.
Sacred music--Congresses.
Princeton subject headings:
Monotheism--Congresses.
Music--Religious aspects--Congresses.
Sacred music--Congresses.