======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '123'
                                          'artist'  'Ida Vaudère'
                                     'text_people'  ''
                                         'release'  'Edison 17847'
                                           'title'  'O Mon Cher Amant Je Te Jure (Offenbach - Périchole)'
                                           '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-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1908'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '127.7'
                                             'key'  '1B'
                                        '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)                     'Edison 17847'
'TBPM' (BPM (beats per minute))                     '127.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1908'
'TIT2' (Title/songname/content description)         'O Mon Cher Amant Je Te Jure (Offenbach - Périchole)'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '123000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ida Vaudère'
'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: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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.820133'

========================== row from database ==========================
                                              'id'  1466115
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1908/Ida Vaudère - O Mon Cher Amant Je Te Jure (Offenbach - Périchole) 1908.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  123
                                           'genre'  prerock-unsorted
                                        'filesize'  2529615
                                           'mtime'  1621697710
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1908 1908 prerock unsorted
                                      'tag_artist'  Ida Vaudère
                                     'tag_release'  Edison 17847
                                       'tag_title'  O Mon Cher Amant Je Te Jure (Offenbach - Périchole)
                                             'bpm'  127.7
                                    'search_title'  'amant':4 'cher':3 'je':5 'jure':7 'mon':2 'o':1 'offenbach':8,9 'perichole':10,11,12,13 'te':6
                                   'search_artist'  'ida':1 'vaudere':2,3
                                  'search_release'  '17847':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1908':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':23 '17847':18C '1908':24 'amant':4A 'cher':3A 'country':22 'edison':17C 'exotica':20 'ida':14B 'jazz':19 'je':5A 'jure':7A 'mon':2A 'o':1A 'offenbach':8A,9A 'oldies':21 'perichole':10A,11A,12A,13A 'prerock':25 'te':6A 'unsorted':26 'vaudere':15B,16B
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1B
                                           '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1908
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697709.5665562  (2021-05-22 17:35:09)
                             'size'  2529615