Computer hardware; computer software; computer memories; computer interfaces; computer peripheral devices; computer games software; computer mousepads; computer mice; computer keyboards; computer programs recorded on magnetic discs and tapes; data recorded in computer accessible form; magnetic data media; magnetic disks; magnetic data carriers; modems; loudspeakers; subwoofer speakers; microprocessors; microprocessor systems consisting of keyboards; monitors; personal computer add-ons; joysticks; disk drives; stands designed specifically for computers; amplifiers; sound and video receiving, recording and reproducing apparatus and instruments; telephones, microphones; digital versatile discs; sound cards; graphics accelerator boards; digital video camcorders; digital cameras; CD-ROM drives, CD-ROM players; integrated circuits; apparatus for recording, transmission and reproduction of sound, video or images; apparatus and instruments for use in connection with computer software; encoded and magnetic cards; remote controls; floppy disk and floppy disk drives; programmed- data-carrying electronic circuits; programmed-data-carrying electronic magnetic tapes; programmed-data-carrying electronic magnetic disks; multimedia software products; recording discs equipment; music sequencers; music editors; MIDI interfaces; effectors; digital audio players; digital signal processors; reverberators; equalizers; MIDI foot controllers; magnetic recorders for digital data from electronic musical instruments or other MIDI devices; audio compression/decompression algorithms; optical data media