======================== unified (from filesystem) ========================
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                                      'tracktotal'  '14'
                                            'date'  '1998'
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========================== row from database ==========================
                                              'id'  1418415
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/va - Born Bad Vol. 2/13 Fire of Love.mp3
                                         'working'  None
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                                    'duration_sec'  117
                                           'genre'  rock-gr-garage
                                        'filesize'  2437356
                                           'mtime'  1620388626
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                                       'tag_title'  Fire of Love
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                                  'search_release'  '2':5 'bad':2,3 'born':1 'volume':4
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                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'all', 'oldies', '50s', 'rockabilly']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620388626.369797  (2021-05-07 13:57:06)
                             'size'  2437356