<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '827'
                                          'artist'  'Fela Kuti'
                                     'text_people'  ''
                                         'release'  'The Best of Fela Kuti: The Black President'
                                           'title'  'Lady'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dommages collateraux', 'maria farantouri']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '7'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-africa-nigeria'
                                             'bpm'  '141.6'
                                             'key'  '2A'
                                        'acoustid'  '6f9497b6-a025-404c-9b92-601a93266e2e'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382dafa0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1476731"/>
'COMM:iTunNORM:eng'                                 (' 00000D02 00000B3F 00009D7D 00007F47 0004CFED 0004D575 00008000 00008000 '
 '000006FB 000006E4')
'TALB' (Album/Movie/Show title)                     'The Best of Fela Kuti: The Black President'
'TBPM' (BPM (beats per minute))                     '141.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-africa-nigeria'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2005-07-26'
'TIT2' (Title/songname/content description)         'Lady'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fela Kuti'
'TPE2' (Band/orchestra/accompaniment)               'Fela Kuti'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '1/7'
'TSO2'                                              'Kuti, Fela'
'TSOP' (Performer sort order)                       'Kuti, Fela'
'TXXX:Acoustid Id'                                  '6f9497b6-a025-404c-9b92-601a93266e2e'
'TXXX:MusicBrainz Album Artist Id'                  '6514cffa-fbe0-4965-ad88-e998ead8a82a'
'TXXX:MusicBrainz Album Id'                         '2869a0a4-3751-458c-ab6b-d00028d68e4d'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '6514cffa-fbe0-4965-ad88-e998ead8a82a'
'TXXX:MusicBrainz Release Group Id'                 'afeb4c5f-637b-3d5a-8c37-e55a8bfb5dc1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['dommages collateraux', 'maria farantouri']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.25 dB'
'TXXX:replaygain_track_peak'                        '0.469068'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ef060eb6-0658-4438-895d-82bbea885320')

========================== row from database ==========================
                                              'id'  1476731
                                            'path'  /data/Music/Bulk/00localcharacter/00africa/Fela Kuti/2000 - The Best Of The Black President (2CD)/0101 - Lady.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  827
                                           'genre'  loc-africa-nigeria
                                        'filesize'  13335302
                                           'mtime'  1621629083
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00africa 2000 Of (2CD) 0101 loc africa nigeria
                                      'tag_artist'  Fela Kuti
                                     'tag_release'  The Best of Fela Kuti: The Black President
                                       'tag_title'  Lady
                                             'bpm'  141.6
                                    'search_title'  'lady':1
                                   'search_artist'  'fela':1 'kuti':2
                                  'search_release'  'best':2 'black':7 'fela':4 'kuti':5,6 'of':3 'president':8 'the':1
                                     'search_rest'  '00africa':1 '0101':6 '2000':2 '2cd':4,5 'africa':8 'loc':7 'nigeria':9 'of':3
                                    'search_combo'  '00africa':12 '0101':17 '2000':13 '2cd':15,16 'africa':19 'best':5C 'black':10C 'fela':2B,7C 'kuti':3B,8C,9C 'lady':1A 'loc':18 'nigeria':20 'of':6C,14 'president':11C 'the':4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dommages collateraux', 'maria farantouri']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629083.3950734  (2021-05-21 22:31:23)
                             'size'  13335302