Computer hardware; computer operating system programs and utilities and computer operating programs; computer memories; computer interface boards; computer peripheral devices; computer games software; computer mousepads; computer mice; computer keyboards; computer programs for computer games; computer software to automate data warehousing; black magnetic data carriers; magnetic coded cards; modems; loudspeakers; subwoofer speakers; cabinets for loudspeakers; magnetic wires; magnets; computer software to control and improve computer and audio equipment sound quality; computer monitors; video monitors; computer screensaver software for personal computers; transducers for speakers and loudspeakers; acoustic speaker computer drives; microprocessors; microprocessor systems consisting of keyboards; computer game joysticks; CD-ROM drives; stands designed specifically for computers; amplifiers; digital video recorders; telephones; microphones; digital video discs; sound cards; computer graphics accelerator boards; digital video camcorders; digital cameras; CD-ROM players; integrated circuits; magnetic identity cards; remote controls for computer peripherals; floppy disk drives; blank floppy computer discs; multimedia software recorded on CD-ROM featuring educational and entertainment computer software applications; sound equalizers; blank computer discs; computer software for editing musical scores; MDI computer interface boards; digital audio players; digital signal processors; electronic effect pedals for use with sound amplifiers; magnetic recorders of digital data from electronic musical instrument or from other MIDI devices; audio mixers; blank optical data discs