======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '275'
                                          'artist'  'The Dresden Dolls'
                                     'text_people'  ''
                                         'release'  'A Is for Accident'
                                           'title'  'Mrs. O'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-eos'
                                             'bpm'  '145.267'
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                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

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'COMM:iTunNORM:eng'                                 (' 000002B7 0000021F 00001202 00000D7F 00038287 00038287 00007D81 00006C33 '
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'TALB' (Album/Movie/Show title)                     'A Is for Accident'
'TBPM' (BPM (beats per minute))                     '145.267'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-eos']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Mrs. O'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '275179'
'TPE1' (Lead performer(s)/Soloist(s))               'The Dresden Dolls'
'TRCK' (Track number/Position in set)               '4'
'TXXX:MusicBrainz Album Id'                         '59d19d8a-34a5-4bce-ab48-1554770aad6c'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '107c7983-0728-46ea-8550-77e698adf690'
'TXXX:MusicBrainz TRM Id'                           '317ffbe4-4244-4ff3-ac72-ad5e96973245'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.743446'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4a33ee61-3ab4-4e49-a6a1-f862fa96e2f8')

========================== row from database ==========================
                                              'id'  1372692
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Dresden Dolls & Amanda Palmer/A Is For Accident/The Dresden Dolls-A Is for Accident-04-Mrs. O.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  275
                                           'genre'  ifs-songwriter;ifs-songwriter-eos
                                        'filesize'  6605727
                                           'mtime'  1636401343
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos & Amanda Palmer For 04 ifs songwriter;ifs songwriter eos
                                      'tag_artist'  The Dresden Dolls
                                     'tag_release'  A Is for Accident
                                       'tag_title'  Mrs. O
                                             'bpm'  145.267
                                    'search_title'  'mrs':1,2 'o':3
                                   'search_artist'  'dolls':3 'dresden':2 'the':1
                                  'search_release'  'a':1 'accident':4 'for':3 'is':2
                                     'search_rest'  '00singer':1 '00songwriter':4 'amanda':5 'eos':3 'for':7 'ifs':8,10,12 'palmer':6 'songwriter':2,9,11
                                    'search_combo'  '00singer':11 '00songwriter':14 'a':7C 'accident':10C 'amanda':15 'dolls':6B 'dresden':5B 'eos':13 'for':9C,17 'ifs':18,20,22 'is':8C 'mrs':1A,2A 'o':3A 'palmer':16 'songwriter':12,19,21 'the':4B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['punk cabaret', 'indie', 'cabaret', 'dark cabaret', 'dresden dolls']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636401343.0388923  (2021-11-08 20:55:43)
                             'size'  6605727