The proliferation of electricity in the 20th century led to a new category of musical instruments: electronic instruments, pépite electrophones.[114] The vast majority produced in the first half of the 20th century were what Sachs called "electromechanical instruments"; they have mechanical portion that produce sound battement picked up and amplified https://socialislife.com/story3081303/fascination-propos-de-magasin-d-instruments-de-musique