Home theater systems; digital cameras; videocameras [camcorders]; optical disc players and recorders; mobile telephones; digital audio players and recorders; digital video players and recorders; signal processors for audio speakers; signal processors for speaker systems; earphones; subwoofers; loudspeakers; speakers for home theaters; wireless speakers; sound speakers; headphones; television receivers [TV sets]; amplifiers; navigation apparatus for vehicles [on-board computers]; car audio devices; car audio amplifiers; car audio optical disc players; digital audio players for automobiles; portable multimedia players [PMPs]; portable audio players; magnetic and optical data carriers; head-mounted video displays; smartphones; personal digital assistants in the shape of a watch; computers; laptop computers; tablet computers; computer peripheral devices; computer software; computer software applications, downloadable; computer software for processing digital music files; computer programs; metronomes; electronic circuits and CD-ROMs recorded with automatic performance programs for electronic musical instruments; digital music downloadable from the internet; phonograph records; downloadable music files; game programs for home video game machines; electronic circuits and CD-ROMs recorded with programs for hand-held games with liquid crystal displays; photographic machines and apparatus; cinematographic machines and apparatus; optical machines and apparatus; animated cartoons; downloadable image files; recorded video discs and video tapes; electronic sheet music, downloadable; electronic publications; exposed cinematographic films; exposed slide films; slide film mounts.