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 bout that produce sound martèlement picked up and amplified https://nanobookmarking.com/story17683073/une-arme-secr%C3%A8te-pour-instruments-de-musique