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 parts that produce sound battement picked up and amplified https://getsocialselling.com/story3046704/non-connu-d%C3%A9tails-propos-de-magasin-d-instruments-de-musique