Columbia subject headings:
Electronic music.
Songs with instrumental ensemble.
Songs, Unaccompanied.
Variations (Piano)
Harvard subject headings:
Electronic music
Electronic music.
Songs with instrumental ensemble
Songs, Unaccompanied
Variations (Piano)
Princeton subject headings:
Electronic music.
Percussion and harp music.
Songs with instrumental ensemble.
Songs, Unaccompanied.
Variations (Piano)