======================== unified (from filesystem) ========================
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'TPUB' (Publisher)                                  'New Wave Complex'
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'TSOP' (Performer sort order)                       'Der Eiserne Vorhang'
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========================== row from database ==========================
                                              'id'  1484834
                                            'path'  /data/Music/Bulk/00poprockelectronic/New Wave Complex Vol.11/05 - Der Eiserne Vorhang - Hassen.mp3
                                         'working'  None
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                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  4427560
                                           'mtime'  1620571530
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                                       'tag_title'  Hassen
                                             'bpm'  135.9
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                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-1', 'q-drums-4', 'Q-SYN-3', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
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                                        'tag_date'  
                                     'discogstags'  ['new wave', 'rock']

============================== file details ==============================
                                           'mtime'  1620571530.39275  (2021-05-09 16:45:30)
                             'size'  4427560