The American composer who redefined what music could be: through the prepared piano, through composition by chance, and above all through 4′33″, the proposition that all sound, including silence and noise, is available as music · the conceptual root upstream of the genre.
John Cage is the conceptual root, and the Bureau files him as a Forms figure because almost everything this archive documents rests on a proposition he made first: that noise, silence and found sound are musical material, and that the frame around sound, not the note, is what makes it music. He was not of the industrial tradition, but he made the industrial and noise traditions thinkable.
Born in Los Angeles in 1912 and trained under Henry Cowell and Arnold Schoenberg, Cage moved early from writing for percussion ensembles to inventing, around 1940, the prepared piano: objects placed between the strings turning a single instrument into a percussion orchestra, with Sonatas and Interludes (1946–48) the best-known result. The gesture is foundational for this archive, the treatment of an instrument as a source of found, altered, non-pitched sound is the same instinct that runs through Einstürzende Neubauten's scrap metal forty years later.
His central work is 4′33″ (1952), three movements in which the performer plays no note and the content is whatever ambient sound fills the room. It is the purest statement of his idea that all sound is already music if one chooses to hear it that way; Cage himself called it his most important composition and said he referenced it in everything after. For a genre built on listening to machine noise, feedback and the sounds of the collapsing built environment as music, 4′33″ is the philosophical permission slip.
From the early 1950s Cage composed by chance, using the I Ching to remove his own taste from the result, an idea that influenced Stockhausen and Boulez and reframed the question of authorship that the later cut-up and tape traditions inherit. He also worked early in tape: Williams Mix (1951–53) is one of the first American musique-concrète pieces, cross-linked from the concrète file, and his closeness to the Fluxus circle ties him to F·12.
The Bureau files Cage at Forms · Figure as the upstream conceptual root: the composer who, before there was a genre, established that the material of music is all sound, that the composer's control can be surrendered, and that the act of framing is the creative act. The noise tradition is, in a real sense, the working-out of Cage's proposition with electricity and metal.