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A Ceremonial Chord Change for John Cage’s 639-year-long Concert https://hyperallergic.com/586800/a-ceremonial-chord-change-for-john-cages-639-year-long-concert/
A Ceremonial Chord Change for John Cage’s 639-year-long Concert https://hyperallergic.com/586800/a-ceremonial-chord-change-for-john-cages-639-year-long-concert/