======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '138'
                                          'artist'  'Six Brown Brothers'
                                     'text_people'  ''
                                         'release'  'Victor 18097 (17894-1)'
                                           'title'  'Pussyfoot March'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-2', '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'  "['acid house', 'all', 'jazz', 'ragtime', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1916'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '89.1'
                                             'key'  '2A'
                                        '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 18097 (17894-1)'
'TBPM' (BPM (beats per minute))                     '89.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1916-06-19'
'TIT2' (Title/songname/content description)         'Pussyfoot March'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '138000'
'TPE1' (Lead performer(s)/Soloist(s))               'Six Brown Brothers'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'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'                                      '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'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.473247'

========================== row from database ==========================
                                              'id'  1464662
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1916/Six Brown Brothers - Pussyfoot March 19-6-1916.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  138
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  2894109
                                           'mtime'  1620524050
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1916 19 6 1916 prerock jb jazz unsorted
                                      'tag_artist'  Six Brown Brothers
                                     'tag_release'  Victor 18097 (17894-1)
                                       'tag_title'  Pussyfoot March
                                             'bpm'  89.1
                                    'search_title'  'march':2 'pussyfoot':1
                                   'search_artist'  'brothers':3 'brown':2 'six':1
                                  'search_release'  '1':4 '17894':3 '178941':5 '18097':2 'victor':1
                                     'search_rest'  '00oldiepop':5 '19':7 '1916':6 '6':8 'country':4 'exotica':2 'jazz':1 'jb':10 'oldies':3 'prerock':9 'unsorted':11
                                    'search_combo'  '00oldiepop':15 '1':9C '17894':8C '178941':10C '18097':7C '19':17 '1916':16 '6':18 'brothers':5B 'brown':4B 'country':14 'exotica':12 'jazz':11 'jb':20 'march':2A 'oldies':13 'prerock':19 'pussyfoot':1A 'six':3B 'unsorted':21 'victor':6C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['acid house', 'all', 'jazz', 'ragtime', 'house']
                                        'tag_date'  1916
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524049.9483135  (2021-05-09 03:34:09)
                             'size'  2894109