======================== unified (from filesystem) ========================
                                         'bitrate'  '237.434'
                                        'duration'  '301'
                                          'artist'  'Bloem De Ligny'
                                     'text_people'  ''
                                         'release'  'Zink'
                                           'title'  'Twinky'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'female vocalists', 'quirky', 'trip hop', 'bjork ish']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '130.063'
                                             'key'  '12B'
                                        'acoustid'  '408a9865-b8fa-46d2-9e67-9db3e80b9a2b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zink'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Twinky'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bloem De Ligny'
'TPE2' (Band/orchestra/accompaniment)               'Bloem De Ligny'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'de Ligny, Bloem'
'TSOP' (Performer sort order)                       'de Ligny, Bloem'
'TXXX:ASIN'                                         'B00001ZTTZ'
'TXXX:Acoustid Id'                                  '408a9865-b8fa-46d2-9e67-9db3e80b9a2b'
'TXXX:MusicBrainz Album Artist Id'                  '10467e83-3042-44ba-9c59-885795cefc31'
'TXXX:MusicBrainz Album Id'                         'afbc8443-adee-43c0-8246-4421960d673f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '10467e83-3042-44ba-9c59-885795cefc31'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['electronic', 'female vocalists', 'quirky', 'trip hop', 'bjork ish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.501338'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'79adeb50-f16d-4d50-b68c-b7f7312d472a')

========================== row from database ==========================
                                              'id'  1245055
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/bloem de ligny [1998] zink/04 - twinky.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  301
                                           'genre'  ifs-songwriter
                                        'filesize'  8939532
                                           'mtime'  1637328845
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos bloem de ligny [1998] zink 04 twinky ifs songwriter
                                      'tag_artist'  Bloem De Ligny
                                     'tag_release'  Zink
                                       'tag_title'  Twinky
                                             'bpm'  130.063
                                    'search_title'  'twinky':1
                                   'search_artist'  'bloem':1 'de':2 'ligny':3
                                  'search_release'  'zink':1
                                     'search_rest'  '00singer':1 '1998':7,8 'bloem':4 'de':5 'eos':3 'ifs':11 'ligny':6 'songwriter':2 'twinky':10 'zink':9
                                    'search_combo'  '00singer':6 '1998':12,13 'bloem':2B,9 'de':3B,10 'eos':8 'ifs':16 'ligny':4B,11 'songwriter':7 'twinky':1A,15 'zink':5C,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'female vocalists', 'quirky', 'trip hop', 'bjork ish']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637328844.565458  (2021-11-19 14:34:04)
                             'size'  8939532