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Listen Laennec

"In this work, the temperature graphs of individuals suffering from malaria, yellow fever, trypanosomiasis and tickborne-relapse fever – all viewed as ‘tropical’ and treatable by the contents of the medicine chest – were converted into a musical score. I punched the strips of paper of a hand-cranked musical box mechanism with holes that corresponded to the graphs – the vertical axis representing temperature variations and the horizontal axis representing the approximate number of days the fever is said to last. The translation of these graphs into notes seems nonsensical, as we do not listen for a temperature; we measure it by feeling a forehead or taking a reading with a thermometer. The practice of listening has, however, been part of the history of medicine since the days of Hippocrates (c.460–c.370 BC), when physicians performed auscultations of the lung and heart by placing their ear directly on the patient’s chest' (Liebenberg 2021: 265).