A Gramophone critic was surprised when his copy of iTunes identified CDs by the late pianist Joyce Hatto as being by other modern pianists. Each disc of hers he fed his computer was identified as the same works but recorded by a different artist. Sonograms of the Hatto recordings and the differently-identified versions were compared and found to be identical. Gramophone broke the news , prompting a confession by Hatto's widower, William Barrington-Coupe, who had issued the ostensible recordings of his late wife. According to Barrington-Coupe, he only used parts of the other artists' recordings to smooth over bad takes. However, iTunes, or rather the Gracenote service iTunes uses, identifies CDs by a complex hash of attributes including the ID String embedded by the presser, as well as track numbers and durations. For obvious bandwidth reasons, it doesn't sample the actual sound on the recordings so there's no way it could have 'heard' and identified a differe...
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