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 parts that produce sound pulsation picked up and amplified https://listingbookmarks.com/story17806095/tout-sur-magasin-d-instruments-de-musique-a-bruxelles