Switches, electric; audio switching apparatus; power adapters; guitar cables; cables for the transmission of sounds and images; electric wires and cables; sound recording machines and apparatus [audio-frequency apparatus]; electrical communication machines and instruments; audio frequency devices and apparatus; sound reproduction apparatus; audio amplifiers; amplifiers; preamplifiers; loudspeakers; loudspeakers with built in amplifiers; wireless speakers; monitor speakers; cabinets for loudspeakers; headsets; headphones; earphones; in-ear headphones; microphones; volume level controllers; audio mixers; sound transmitting apparatus; controllers for sound reproduction apparatus; audio interfaces; musical instrument digital interface controllers being audio interfaces; sound processors; digital sound processors; voice signal processors; digital voice signal processors; audio noise reducers; graphic equalizers; digital or analogue effect processors for sounds and music; digital music players; cases for digital music players; portable music players; carrying cases for portable music players; covers for portable media players; cases for digital media players; digital audio players; covers for digital audio players; carrying cases for digital audio players; audio recorders; digital audio recorders; digital voice recorders; audio players and recorders with built-in guitar effects processors; music and video recorders; audio and video signal processors; wireless transmitters; wireless receivers; apparatus for recording, transmission, processing and reproduction of sound, images or data; apparatus for broadcasting, recording, transmission, processing or reproduction of sound, data or images; apparatus for recording, storing, transmission and reproduction of sound or images; personal digital assistants in the shape of a watch; apparatus and instruments for data processing both in digital and analog music files; apparatus and instruments for transferring, receiving and storing sound, images and data, both in digital and analog form; teaching and instructional apparatus and instruments; electronic machines for recording, transmission, processing, reproduction, production or streaming of audio, video and data; computer software; downloadable computer software; computer software applications, downloadable; downloadable computer software for music production; computer software for creating and editing music and sounds; computer software for creating, editing, recording and reproducing music and sounds; computer software for processing digital music files; computer software for controlling and improving sound quality of audio apparatus; computer software for controlling the operation of audio and video devices; computer software for controlling electronic musical instruments; software for smartphone; downloadable metronome software applications; computer programs for editing images, sound and video; downloadable computer software program for editing visuals, sounds and videos; covers, cases and straps for smartphones; accessories for smartphones; mobile phones; covers, cases and straps for mobile phones; accessories for mobile phones; integrated circuits; electronic circuits, not including those recorded with computer programs; semi-conductor elements; computer peripheral devices; computer apparatus; mouse [computer peripheral]; mousepads; portable flash memory devices; guitar effects processors; effects pedals for guitars; effects pedals for use with electrical musical instruments; electronic effects pedals for use with musical instruments; electric and electronic effects units for musical instruments; effects units for electric and electronic musical instruments; electronic effects units for use with sound amplifiers; electronic effects pedals for use with sound amplifiers; electronic volume control pedals for use with sound amplifiers; guitar amplifiers; amplifiers for bass guitars; amplifiers for musical instruments; amplifiers for keyboard instruments; sound pickups for musical instruments; metronomes; wireless transmitters and receivers for electronic musical instruments; digital wireless transmitters and receivers for musical instruments; digital wireless transceivers, radio transceivers; electronic circuits and recording media recorded with automatic performance programs for electronic musical instruments; electronic circuits and CD-ROMs recorded with automatic performance programs for electronic musical instruments; carrying cases for effects pedals for use with electrical musical instruments; carrying cases for amplifiers for musical instruments; carrying cases for audio and video recorders and players; phonograph records; downloadable music files; musical sound recordings; downloadable musical sound recordings; downloadable video and audio files; downloadable virtual goods, namely computer programs featuring electronic musical instruments.;