======================== unified (from filesystem) ========================
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                                        'duration'  '479'
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                                            'date'  '1980'
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'TCON' (Content type, a.k.a. Genre)                 'loc-africa-nigeria'
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'TDRC' (Recording time)                             '1980'
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'TPE1' (Lead performer(s)/Soloist(s))               'William Onyeabor'
'TPE2' (Band/orchestra/accompaniment)               'William Onyeabor'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Luaka Bop'
'TRCK' (Track number/Position in set)               '2/9'
'TSO2'                                              'Onyeabor, William'
'TSOP' (Performer sort order)                       'Onyeabor, William'
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'TXXX:Artists'                                      'William Onyeabor'
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'TXXX:lastfmtags'                                   ['afrobeat', 'funk', 'nigeria', 'african', 'african funk']
'TXXX:originalyear'                                 '2013'
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========================== row from database ==========================
                                              'id'  1492277
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/william onyeabor - who is william onyeabor/02 - atomic bomb.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  479
                                           'genre'  loc-africa-nigeria
                                        'filesize'  19258748
                                           'mtime'  1621629095
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa william onyeabor who is william onyeabor 02 atomic bomb loc africa nigeria
                                      'tag_artist'  William Onyeabor
                                     'tag_release'  World Psychedelic Classics 5: Who Is William Onyeabor?
                                       'tag_title'  Atomic Bomb
                                             'bpm'  116.4
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                                   'search_artist'  'onyeabor':2 'william':1
                                  'search_release'  '5':4,5 'classics':3 'is':7 'onyeabor':9 'psychedelic':2 'who':6 'william':8 'world':1
                                     'search_rest'  '00africa':1 'africa':9 'atomic':6 'bomb':7 'is':5 'loc':8 'nigeria':10 'onyeabor':3 'who':4 'william':2
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                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-2', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['afrobeat', 'funk', 'nigeria', 'african', 'african funk']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629095.012641  (2021-05-21 22:31:35)
                             'size'  19258748