======================== unified (from filesystem) ========================
                                         'bitrate'  '160.005'
                                        'duration'  '201'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'Talula'
                                           'title'  'London Girls'
                                           'quals'  "['q-bass-4', 'q-drums-2', 'q-other-1', 'q-piano-3', 'q-vocals-4']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '143.2'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         'ogg had 160 kbps 44100 Hz'
'TALB' (Album/Movie/Show title)                     'Talula'
'TBPM' (BPM (beats per minute))                     '143.2'
'TIT2' (Title/songname/content description)         'London Girls'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '4'
'TXXX:MusicBrainz Album Id'                         'ee62f4c1-fe9a-433a-a580-639530c3498f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        'c0b2500e-0cef-4130-869d-732b23ed9df5'
'TXXX:MusicBrainz TRM Id'                           '8a02afc1-7735-4d50-95df-62a150164765'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '4'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0db38a50-fdb4-4dda-80cb-ace079a0fec7')

========================== row from database ==========================
                                              'id'  1538448
                                            'path'  /data/Music/Other/PrevSet/[0yay1]/Tori Amos/London Girls.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  201
                                           'genre'  
                                        'filesize'  4033357
                                           'mtime'  1662800312
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [0yay1]
                                      'tag_artist'  Tori Amos
                                     'tag_release'  Talula
                                       'tag_title'  London Girls
                                             'bpm'  143.2
                                    'search_title'  'girls':2 'london':1
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'talula':1
                                     'search_rest'  '0yay1':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '0yay1':7,8 'amos':4B 'girls':2A 'london':1A 'prev':9 'prevset':6 'set':10 'talula':5C 'tori':3B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['q-bass-4', 'q-drums-2', 'q-other-1', 'q-piano-3', 'q-vocals-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800312.3045318  (2022-09-10 10:58:32)
                             'size'  4033357