ART 311 Lecture Notes - Lecture 6: Prepared Piano, Marcel Duchamp, Robert Rauschenberg
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Unit 2 ppt 1 john cage & the sounds of indeterminacy. Much more accessible: music recording instrument (gramophone) sound enters horn (speech/instrument/etc. ), vibrates needle as platform spins and the needle makes a groove in the record which could be played back in the same manner. John cage tried to push the boundaries of what music could be. He the(cid:374) said that i would always encounter an obstacle, that it would be as though i came to a wall through which i could (cid:374)ot pass. Exact sounds were unknown until the piece was performed. But, this is not a random sequence of events it is pla(cid:374)(cid:374)ed a(cid:374)d supposed to (cid:271)e (cid:862)rh(cid:455)th(cid:373)i(cid:272)(cid:863: his notions allowed for flexibility for the performer. These coin tosses are used to determine outcomes, represented as sets of broken or unbroken lines: a set of three lines is called a trigram.
