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 portion that produce sound martèlement picked up and amplified https://tornadosocial.com/story3157362/d%C3%A9tails-fiction-et-instruments-de-musique