Columbia subject headings:
Chapels (Music)--Italy--Congresses.
Church music--Italy--Congresses.
Music--Instruction and study--Italy--Congresses.
Harvard subject headings:
Chapels (Music)--Italy--Congresses.
Church music--Italy--Congresses.
Music--Instruction and study--Italy--Congresses.
Princeton subject headings:
Chapels (Music)--Italy--Congresses.
Church music--Italy--Congresses.
Music--Instruction and study--Italy--Congresses.