The proliferation of electricity in the 20th century led to a new category of Mélodieux 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 ration that produce sound battement picked up and amplified https://bookmarkcitizen.com/story17773824/5-%C3%89tats-de-simple-sur-magasin-instruments-de-musique-belgique-expliqu%C3%A9