Columbia subject headings:
Copyright--Motion picture music--United States.
Copyright--Motion pictures--United States.
Copyright--Sound recordings--United States.
Harvard subject headings:
Copyright--Motion picture music--United States.
Copyright--Motion pictures--United States.
Copyright--Sound recordings--United States.
Sound recordings
Princeton subject headings:
Copyright--Motion picture music--United States.
Copyright--Motion pictures--United States.
Copyright--Sound recordings--United States.