Sound recording apparatus and instruments; cinematographic apparatus; radio transmitters; radio receivers; video cameras for broadcasting; audio and video receivers; telecommunications transmitters; television transmitters; television receivers; teleprompters for televisions; satellite television receiving apparatus; fixed multi-channel communications apparatus; fixed single-channel communications apparatus; portable communications apparatus; sound recorders; recorded message senders, namely apparatus for sending recorded messages; coin-operated musical automatic juke boxes; juke boxes; DVD players; megaphones; video disc players; video recorders; blank video cassettes; jukeboxes for music; acoustic conduits; sound transmitting apparatus; sound reproduction apparatus; acoustic couplers; electric phonographs; acoustic diaphragms; audio processing equipment, namely, electricity limiters; cassette players; compact disc players; loud speaking apparatus and instruments, namely, loud speaker systems; blank sound recording discs; blank sound recording strips, namely magnetic tape for recording sounds; dials for audio processing equipment; blank record discs; microphones; modems; masts for wireless aerials; electrical transformers for telecommunications apparatus; blank videotapes; musical instrument adaptors, plug adaptors, power supply adaptors for use with electronic devices; blank audio-video compact discs; electric coils; holders for electric coils; converters; frequency converters; amplifiers; electric impedance choking coils; pickups for telecommunication apparatus; headphones; computer software for synthesizing music; recorded computer operating programs; recorded computer programs for use in audio processing; downloadable computer software programs for use in audio processing; notebook computers; laptop computers; computer mouses; video game cartridges; hydrophone machines and apparatus; computers; computer memories; computer keyboards; downloadable electronic musical sound recordings; recorded audiotapes of music; recorded phonograph records of music; blank discs for record players; record player needles; apparatus for changing record player needle; speed regulators for record players; tone arms for record players; metronomes; hand-operated phonographs; recorded compact discs of music; recorded audiotapes or videotapes