======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '264'
                                          'artist'  'The BossHoss'
                                     'text_people'  ''
                                         'release'  'Internashville Urban Hymns'
                                           'title'  'Toxic'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '125.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'POPM:'                                             POPM(email='', rating=102)
'TALB' (Album/Movie/Show title)                     'Internashville Urban Hymns'
'TBPM' (BPM (beats per minute))                     '125.4'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'FreeRIP 2.90'
'TIT2' (Title/songname/content description)         'Toxic'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The BossHoss'
'TRCK' (Track number/Position in set)               '4'
'TXXX:MusicBrainz Album Id'                         '4853a0d3-4592-4484-8b97-4825c53bbedb'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e0ab57c6-7ba1-4dca-b36e-fae4c0c269e1'
'TXXX:MusicBrainz TRM Id'                           'aec5993d-257b-4ad3-affe-b11d0e9f9ea1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8fb081f2-a743-433d-9ea8-a38e8be31660')

========================== row from database ==========================
                                              'id'  1538185
                                            'path'  /data/Music/Other/PrevSet/[8ohdear]/Boss Hoss - Toxic.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  264
                                           'genre'  
                                        'filesize'  6354891
                                           'mtime'  1662800435
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [8ohdear]
                                      'tag_artist'  The BossHoss
                                     'tag_release'  Internashville Urban Hymns
                                       'tag_title'  Toxic
                                             'bpm'  125.4
                                    'search_title'  'toxic':1
                                   'search_artist'  'boss':3 'bosshoss':2 'hoss':4 'the':1
                                  'search_release'  'hymns':3 'internashville':1 'urban':2
                                     'search_rest'  '8ohdear':2,3 'prev':4 'prevset':1 'set':5
                                    'search_combo'  '8ohdear':10,11 'boss':4B 'bosshoss':3B 'hoss':5B 'hymns':8C 'internashville':6C 'prev':12 'prevset':9 'set':13 'the':2B 'toxic':1A 'urban':7C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800434.9645727  (2022-09-10 11:00:34)
                             'size'  6354891