Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus; electrical apparatus for line telephony or line telegraphy; apparatus and instruments for processing, reproducing, transmitting and recording sound or images; microphones; loudspeakers; woofers; sub-woofers; headphones, earphones; headphones with heartrate sensor; mini audio systems; audio/video amplifiers; recording players; recorders/players of optical discs; recorders/players of magnetic tapes; portable digital audio players; musical playback unit integrated with a heart rate monitor; hard disc recorders; audio mixers; audio mixing consoles; audio signal processors; audio/video receivers; graphic equalizers; electronic sound effectors; amplifiers for musical instruments; effectors for musical instruments; samplers; electronic tone generators; recorders and players of MIDI data; MIDI interfaces; karaoke machines; data processing equipment and computers; personal computers and peripheral equipment; computer software; computer software for playing music; computer software for encoding/playing MP3 music; computer software for encoding and/or reproducing sound or images; computer software for downloading sound and images; computer programs and software provided from a computer network (downloadable); sound cards; CD-R/RW drives; hard disk drives; routers; electronic publications in the field of music; electronic music provided from a computer network (downloadable); electronic integrated circuits; large scale integration chips; metronomes; parts for all the aforesaid goods