Audio receivers, video receivers, digital audio tape players; integrated circuits; remote controls for stereos and video cassette recorders; photographic slide transparencies; prerecorded audio and video cassettes featuring musical performances; blank magnetic data carriers; blank computer magnetic tapes; prerecorded compact, optical, floppy disks and audio disks featuring educational programs in the field of foreign languages; pre-recorded audio discs featuring music; blank computer disks; e...