======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Green Brothers'
                                     'text_people'  ''
                                         'release'  'Okeh  4046'
                                           'title'  'Karavan (+ Rudy Wiedoeft) -10-1919'
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '89.4'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Okeh  4046'
'TBPM' (BPM (beats per minute))                     '89.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Karavan (+ Rudy Wiedoeft) -10-1919'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '196000'
'TPE1' (Lead performer(s)/Soloist(s))               'Green Brothers'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.548410'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3M108R25980817U2985278EE52962E022A0EC40586F3014B38P0')

========================== row from database ==========================
                                              'id'  1476030
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Green Brothers - Karavan (+ Rudy Wiedoeft) -10-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  prerock-unsorted
                                        'filesize'  4049965
                                           'mtime'  1620388008
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly prerock unsorted
                                      'tag_artist'  Green Brothers
                                     'tag_release'  Okeh  4046
                                       'tag_title'  Karavan (+ Rudy Wiedoeft) -10-1919
                                             'bpm'  89.4
                                    'search_title'  '10':5 '101919':7 '1919':6 'karavan':1 'rudy':2 'wiedoeft':3,4
                                   'search_artist'  'brothers':2 'green':1
                                  'search_release'  '4046':2 'okeh':1
                                     'search_rest'  'prerock':2 'unsorted':3 'veryearly':1
                                    'search_combo'  '10':5A '101919':7A '1919':6A '4046':11C 'brothers':9B 'green':8B 'karavan':1A 'okeh':10C 'prerock':13 'rudy':2A 'unsorted':14 'veryearly':12 'wiedoeft':3A,4A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'soul', 'rhythm and blues', 'indie', 'hip-hop']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620388008.1826108  (2021-05-07 13:46:48)
                             'size'  4049965