======================== unified (from filesystem) ========================
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'artist'                                            'Stars of the Lid'
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'genre'                                             'electronic-ambient'
'key'                                               '2A'
'label'                                             'Kranky'
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'tracknumber'                                       '4'
'tracktotal'                                        '6'

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                                           'genre'  electronic-ambient
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                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910834.7411277  (2021-11-14 18:27:14)
                             'size'  3459068