AM/FM tuners, namely, stereo tuners; audio amplifiers; stereo amplifiers; audio cassette players and recorders; cassette tape decks; audio multi-track recorders; digital audio players with charging docks for portable media players and clock radios; CD changers; CD players; CD players with charging docks for portable media players; CD players with USB connectors; CD recorders; digital audio disc players; super audio CD (SACD) players; DVD players; DVD recorders; video reproducing apparatus; video recorders and video reproducing apparatus; MD players; MD recorders; digital audio recorders; audio mixers; digital audio mixers; audio signal converters; digital to analog converters; digital to analog converters with USB audio interfaces; measuring or testing machines and instruments, namely, electric data recorders for recording of measurement data; measuring or testing machines and instruments, namely, electronic data recorders for recording of measurement data; data storage apparatus, namely, optical disc drives; digital audio and video network players; digital audio and video network receivers; microphones; microphones for digital single-lens reflex (DSLR) cameras; microphone preamps; microphone windscreens; stereo condenser microphones; surround sound processors; vocal processors; integrated circuit recorders; digital image recorders, namely, apparatus for recording, transmission and reproduction of images; headphones; headphone amplifiers; loudspeakers; stands adapted for stereos and audio speakers; mixing consoles, namely, electronic sound mixing apparatus; radio receivers; internet radio receivers; television apparatus for projection purposes; electrical phonograph record turntables; needles for record players; turntable slipmats; wireless receivers for portable media players, smartphones, tablet computers and PCs; memory card players, namely, media players; memory card recorders; solid state and flash memory players, namely, media players; solid state and flash memory recorders; portable digital audio recorders with chromatic tuners; USB audio interfaces for computers, namely, audio interface units for transmitting digital signals to computers via USB; audio interface units for connecting computers to audio and video equipment; interfaces, namely, audio signal interfaces for input and output; computer software for playing music and video files; computer software for music production; computer software for digital audio workstations for recordings, editing and reproducing digital audio; computer software for creating, recording, reproducing, editing, mixing, uploading and sharing of music; computer software that allows access to, and real time interactive control of digitally recorded musical instrument sounds; control surface for digital audio workstation for editing and mixing audio signals; digital audio workstation comprised of computer hardware and software used to manipulate, edit, record, play and create digital audio data; remote controls for hand-held audio recorders; remote controls to flash start sounds through audio recorders, which are used in broadcasting and recording studios; accessory kits for portable and handheld digital, audio players comprising microphone windscreens and carry cases; footswitches for use with audio players and recorders; blank recording media in the nature of compact flash cards, SD cards, all sold as a unit; electronic sound system for synchronizing time codes of multiple digital audio components, namely, clock generators; rack mount kits for audio apparatus