======================== unified (from filesystem) ========================
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                                          'artist'  'Pierre Schaeffer'
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                                      'lastfmtags'  ("['contemporary classical', 'earwaves', 'avant garde', 'experimental', "
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'albumartistsort'                                   'Schaeffer, Pierre'
'artist'                                            'Pierre Schaeffer'
'artistsort'                                        'Schaeffer, Pierre'
'asin'                                              'B00003L242'
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'date'                                              '1990'
'discnumber'                                        '3'
'discsubtitle'                                      'Les Révisions 1948-1979 / Les Œuvres postérieures 1957-1959 & 1975-1979'
'disctotal'                                         '4'
'genre'                                             'electronic-experimental'
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'label'                                             'INA-GRM'
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'q-jzfks'                                           '1'
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'q-other'                                           '4'
'q-piano'                                           '2'
'q-play'                                            '2'
'q-syn'                                             '2'
'q-unu'                                             '2'
'q-vocals'                                          '2'
'releasecountry'                                    'FR'
'releasestatus'                                     'official'
'releasetype'                                       'compilation'
'replaygain_track_gain'                             '+8.15 dB'
'replaygain_track_peak'                             '0.533759'
'script'                                            'Latn'
'title'                                             'Suite 14: II. Vagotte'
'tracknumber'                                       '8'
'tracktotal'                                        '21'

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                                           'genre'  electronic-experimental
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                                        'rest_str'   00exnnpjpsprgttidm L_oeuvre Musicale (Disk 3) 08 Vagotte.ape electronic experimental
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                                             'bpm'  135.184
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                                      'num_images'  0
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                                           'quals'  ['q-mixbeat-1', 'q-chart-2', 'q-other-4', 'q-oldst-3', 'q-grit-2', 'q-hap-2', 'q-drums-2', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-2', 'q-play-2', 'q-bass-1', 'q-vocals-2', 'q-unu-2']
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                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621856352.7524989  (2021-05-24 13:39:12)
                             'size'  2287595