======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '177'
                                          'artist'  'Six Brown Brothers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'll Say She Does -7-1919"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acid house', 'all', 'jazz', 'ragtime', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '117.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '117.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         "I'll Say She Does -7-1919"
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '177000'
'TPE1' (Lead performer(s)/Soloist(s))               'Six Brown Brothers'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acid house', 'all', 'jazz', 'ragtime', 'house']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+0.89 dB'
'TXXX:replaygain_track_peak'                        '0.710751'

========================== row from database ==========================
                                              'id'  1504902
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Six Brown Brothers - I_ll Say She Does -7-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  177
                                           'genre'  prerock-unsorted
                                        'filesize'  3663665
                                           'mtime'  1637933181
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly I_ll prerock unsorted
                                      'tag_artist'  Six Brown Brothers
                                     'tag_release'  None
                                       'tag_title'  I'll Say She Does -7-1919
                                             'bpm'  117.0
                                    'search_title'  '1919':8 '7':7 '71919':9 'does':6 'i':1 'ill':3 'll':2 'say':4 'she':5
                                   'search_artist'  'brothers':3 'brown':2 'six':1
                                  'search_release'  
                                     'search_rest'  'i':2 'll':3 'prerock':4 'unsorted':5 'veryearly':1
                                    'search_combo'  '1919':8A '7':7A '71919':9A 'brothers':12B 'brown':11B 'does':6A 'i':1A,14 'ill':3A 'll':2A,15 'prerock':16 'say':4A 'she':5A 'six':10B 'unsorted':17 'veryearly':13
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           '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-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['acid house', 'all', 'jazz', 'ragtime', 'house']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637933180.5067053  (2021-11-26 14:26:20)
                             'size'  3663665