======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '106'
                                          'artist'  'Centurion b'
                                     'text_people'  ''
                                         'release'  'The Image OST'
                                           'title'  ''
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '92.645'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Image OST'
'TBPM' (BPM (beats per minute))                     '92.645'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1975'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Centurion b'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Engineer'                                     'Marcus Jagger'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.506527'

========================== row from database ==========================
                                              'id'  1118223
                                            'path'  /data/Music/Bulk/0soundtrack/Fraykers Revenge - The Image OST (1975)/13 = Centurion b.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  106
                                           'genre'  soundtrack-library
                                        'filesize'  5161178
                                           'mtime'  1620333023
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Fraykers Revenge (1975) 13 = soundtrack library
                                      'tag_artist'  Centurion b
                                     'tag_release'  The Image OST
                                       'tag_title'  None
                                             'bpm'  92.645
                                    'search_title'  None
                                   'search_artist'  'b':2 'centurion':1
                                  'search_release'  'image':2 'ost':3 'the':1
                                     'search_rest'  '0soundtrack':1 '1975':4,5 'fraykers':2 'library':7 'revenge':3 'soundtrack':6
                                    'search_combo'  '0soundtrack':6 '1975':9,10 'b':2B 'centurion':1B 'fraykers':7 'image':4C 'library':12 'ost':5C 'revenge':8 'soundtrack':11 'the':3C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-piano-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620333022.617581  (2021-05-06 22:30:22)
                             'size'  5161178