How Did Ancient Greek Music Sound?

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It is often forgotten that the writings at the root of Western literature - the epics of Homer, the love-poems of Sappho, the tragedies of Sophocles and Euripides - were all, originally, music. Dating from around 750 to 400 BC, they were composed to be sung in whole or part to the accompaniment of the lyre, reed-pipes, and percussion instruments.
The music of ancient Greece, unheard for thousands of years, is being brought back to life by Armand D'Angour, a musician and tutor in classics at Oxford University.