======================== unified (from filesystem) ========================
                                         'bitrate'  '161.627'
                                        'duration'  '247'
                                          'artist'  'Libitina'
                                     'text_people'  ''
                                         'release'  'A Closer Communion'
                                           'title'  'Gothic People'
                                           'quals'  "['q-bass-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '101.4'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Closer Communion'
'TBPM' (BPM (beats per minute))                     '101.4'
'TIT2' (Title/songname/content description)         'Gothic People'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Libitina'
'TRCK' (Track number/Position in set)               '11'
'TXXX:MusicBrainz Album Id'                         'a8882197-aee1-4678-9c2c-bf5052b7dc5f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9a8801d1-1449-4cad-a34e-ca39c467a429'
'TXXX:MusicBrainz TRM Id'                           '3006e440-c161-4616-8f11-e08c681fc243'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'087f2cff-4e99-42a5-b450-6c01b63d7a6c')

========================== row from database ==========================
                                              'id'  1538109
                                            'path'  /data/Music/Other/PrevSet/[8ohdear]/Libitina - Gothic People (A Closer Communion).mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  247
                                           'genre'  
                                        'filesize'  4994681
                                           'mtime'  1662800436
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [8ohdear] (A Communion)
                                      'tag_artist'  Libitina
                                     'tag_release'  A Closer Communion
                                       'tag_title'  Gothic People
                                             'bpm'  101.4
                                    'search_title'  'gothic':1 'people':2
                                   'search_artist'  'libitina':1
                                  'search_release'  'a':1 'closer':2 'communion':3
                                     'search_rest'  '8ohdear':2,3 'a':4,5 'communion':6,7 'prev':8 'prevset':1 'set':9
                                    'search_combo'  '8ohdear':8,9 'a':4C,10,11 'closer':5C 'communion':6C,12,13 'gothic':1A 'libitina':3B 'people':2A 'prev':14 'prevset':7 'set':15
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['q-bass-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800436.000539  (2022-09-10 11:00:36)
                             'size'  4994681