László Moholy-Nagy in 1923 recognized the unprecedented efforts of the Italian Futurists to broaden our perception of sound using noise. In an article in Der Sturm #7, he outlined the fundamentals of his own experimentation: "I have suggested to change the gramophone from a reproductive instrument to a productive one, so that on a record without prior acoustic information, the acoustic information, the acoustic phenomenon itself originates by engraving the necessary Ritzschriftreihen [etched grooves]." He presents detailed descriptions for manipulating discs, creating "real sound forms" to train people to be "true music receivers and creators" (" A Brief history of Anti-Records and Conceptual Records" by Ron Rice via UbuWeb, from Unfiled: Music Under New Technology, Chris Cutler (ed.) 1994[page needed]
