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In page John Cage:

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Cage studied with Schoenberg in California: first at USC and then at UCLA, as well as privately.[2] The older composer became one of the biggest influences on Cage, who "literally worshipped him",[11] particularly as an example of how to live one's life being a composer.[8] The vow Cage gave, to dedicate his life to music, was apparently still important some 40 years later, when Cage "had no need for it [i.e. writing music]", he continued composing partly because of the promise he gave.[12] Schoenberg's methods and their influence on Cage are well documented by Cage himself in various lectures and writings. Particularly well-known is the conversation mentioned in the 1958 lecture Indeterminacy: