Audio amplifiers; audio mixers; digital audio mixers; audio signal converters; digital to analog converters; stereo tuners; audio receivers; loudspeakers; headphones; headphone amplifiers; mixing consoles, namely, electronic sound mixing apparatus; microphones; microphones for digital single-lens reflex (DSLR) cameras; microphone preamps; stereo condenser microphones; surround sound processors; vocal processors; integrated circuit recorders; memory card players; memory card recorders; flash memory players and recorders; MP3 players and recorders; solid-state 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; digital audio network receivers; control surface for digital audio workstation for editing and mixing audio signals; computer software for music production; 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; remote controls for hand-held audio recorders; hard disk recorders; accessory kits for portable and handheld digital, audio players comprising microphone windscreens and carry cases; footswitches for use with audio players and recorders