======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '188'
                                          'artist'  'Arthur Fields'
                                     'text_people'  ''
                                         'release'  'Victor 18529 (22565)'
                                           'title'  'Singapore -1-1919'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', '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-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1910s', 'all', 'variete anglo saxonne', 'the vitamin b12']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '128.7'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com\r\nOriginals from H C .'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Victor 18529 (22565)'
'TBPM' (BPM (beats per minute))                     '128.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Singapore -1-1919'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '188000'
'TPE1' (Lead performer(s)/Soloist(s))               'Arthur Fields'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['1910s', 'all', 'variete anglo saxonne', 'the vitamin b12']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.81 dB'
'TXXX:replaygain_track_peak'                        '0.472470'

========================== row from database ==========================
                                              'id'  982128
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1919/Arthur Fields - Singapore -1-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  188
                                           'genre'  prerock-unsorted
                                        'filesize'  3846569
                                           'mtime'  1621698466
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly prerock unsorted
                                      'tag_artist'  Arthur Fields
                                     'tag_release'  Victor 18529 (22565)
                                       'tag_title'  Singapore -1-1919
                                             'bpm'  128.7
                                    'search_title'  '1':2 '11919':4 '1919':3 'singapore':1
                                   'search_artist'  'arthur':1 'fields':2
                                  'search_release'  '18529':2 '22565':3,4 'victor':1
                                     'search_rest'  'prerock':2 'unsorted':3 'veryearly':1
                                    'search_combo'  '1':2A '11919':4A '18529':8C '1919':3A '22565':9C,10C 'arthur':5B 'fields':6B 'prerock':12 'singapore':1A 'unsorted':13 'veryearly':11 'victor':7C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1910s', 'all', 'variete anglo saxonne', 'the vitamin b12']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698466.357792  (2021-05-22 17:47:46)
                             'size'  3846569