======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '382'
                                          'artist'  'The Future Sound of London'
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
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                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '1996'
                                        'comments'  ''
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                                             'key'  '4A'
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======================== rawer (from filesystem) ========================

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'TALB' (Album/Movie/Show title)                     'Dead Cities'
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'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-10-29'
'TIT2' (Title/songname/content description)         'We Have Explosive'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Future Sound of London'
'TPE2' (Band/orchestra/accompaniment)               'The Future Sound of London'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Astralwerks'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Future Sound of London, The'
'TSOP' (Performer sort order)                       'Future Sound of London, The'
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'TXXX:Artists'                                      'The Future Sound of London'
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'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
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'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.633343'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5910e9b2-7a20-4c16-a576-22582b1606ad')

========================== row from database ==========================
                                              'id'  1323397
                                            'path'  /data/Music/Bulk/00poprockelectronic/Future Sound of London/Future Sound of London - We Have Explosive - 04.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  382
                                           'genre'  electronic-experimental-glitch-calmer
                                        'filesize'  6234521
                                           'mtime'  1622759732
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 electronic experimental glitch calmer
                                      'tag_artist'  The Future Sound of London
                                     'tag_release'  Dead Cities
                                       'tag_title'  We Have Explosive
                                             'bpm'  125.0
                                    'search_title'  'explosive':3 'have':2 'we':1
                                   'search_artist'  'future':2 'london':5 'of':4 'sound':3 'the':1
                                  'search_release'  'cities':2 'dead':1
                                     'search_rest'  '00poprockelectronic':1 'calmer':5 'electronic':2 'experimental':3 'glitch':4
                                    'search_combo'  '00poprockelectronic':11 'calmer':15 'cities':10C 'dead':9C 'electronic':12 'experimental':13 'explosive':3A 'future':5B 'glitch':14 'have':2A 'london':8B 'of':7B 'sound':6B 'the':4B 'we':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622759731.8281384  (2021-06-04 00:35:31)
                             'size'  6234521