Citation Hunt

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"

At an event hosted by the journal Il Saggiatore Musicale, Fussi and Paolillo presented documentation showing when and how her voice changed over time. Using modern audio technology, they analyzed live Callas studio recordings from the 1950s through the 1970s, looking for signs of deterioration. Spectrographic analysis showed that she was losing the top half of her range. Fussi observed video recordings in which Callas's posture seemed strained and weakened. He felt that her drastic weight loss in 1954 further contributed to reduced physical support of her voice.^{[citation needed]}

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