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======================== rawer (from filesystem) ========================

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'artist'                                            'Pierre Schaeffer'
'artistsort'                                        'Schaeffer, Pierre'
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'discsubtitle'                                      'Les Incunables 1948-1979'
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'title'                                             'Cinq études de bruits: Étude violette'
'tracknumber'                                       '3'
'tracktotal'                                        '16'

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                                     'discogstags'  []

============================== file details ==============================
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