Columbia subject headings:
Choruses, Secular (Mixed voices), Unaccompanied.
Electronic music.
Songs (High voice) with orchestra.
Harvard subject headings:
Choruses, Secular (Mixed voices), Unaccompanied.
Electronic music.
Songs (High voice) with orchestra.
Princeton subject headings:
Choruses, Secular (Mixed voices), Unaccompanied.
Electronic music.
Songs (High voice) with orchestra.
Songs.