The proliferation of electricity in the 20th century led to a new category of musical instruments: electronic instruments, or electrophones.[114] The vast majority produced in the first half of the 20th century were what Sachs called "electromechanical instruments"; they have mechanical bout that produce sound pulsation picked up and amplified https://bookmarkfavors.com/story3185297/le-guide-ultime-pour-magasin-instruments-de-musique