"Long before 'noise' became a term of art for rock critics, before the recording industry existed in any recognizably modern form, an Italian futurist painter and composer, Luigi Russolo, invented noise music, launching his creation in 1913 with a manifesto called The Art of Noise" (daqui)

Luigi Russolo, Intonarumori, 1913 (Lisboa, Museu Colecção Berardo);  ler também aqui