Columbia subject headings:
Music as recreation.
Radio broadcasting--Social aspects.
Technology--Social aspects.
Harvard subject headings:
Cassette tape recorders--Social aspects.
Music as recreation.
Radio broadcasting--Social aspects
Stereophonic sound systems--Social aspects.
Technology--Social aspects
Urban anthropology.
Princeton subject headings:
Cassette tape recorders--Social aspects.
Stereophonic sound systems--Social aspects.
Technology--Social aspects.
Urban anthropology.