======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '266'
                                          'artist'  'Ada Jones & Len Spencer'
                                     'text_people'  ''
                                         'release'  'Edison Amberol    23'
                                           'title'  'Henry & Hilda At The German Picnic'
                                           '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-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jewish', 'vaudeville', 'cylinder', 'musical', 'early recordings']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1908'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '104.2'
                                             '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)                     'Edison Amberol    23'
'TBPM' (BPM (beats per minute))                     '104.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1908'
'TIT2' (Title/songname/content description)         'Henry & Hilda At The German Picnic'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '266000'
'TPE1' (Lead performer(s)/Soloist(s))               'Ada Jones & Len Spencer'
'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'                                   ['jewish', 'vaudeville', 'cylinder', 'musical', 'early recordings']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.15 dB'
'TXXX:replaygain_track_peak'                        '0.635941'

========================== row from database ==========================
                                              'id'  1467714
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1908/Ada Jones & Len Spencer - Henny And Hilda At The German Picnic 1908.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  266
                                           'genre'  prerock-vocal
                                        'filesize'  5392468
                                           'mtime'  1620665952
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1908 Henny And 1908 prerock vocal
                                      'tag_artist'  Ada Jones & Len Spencer
                                     'tag_release'  Edison Amberol    23
                                       'tag_title'  Henry & Hilda At The German Picnic
                                             'bpm'  104.2
                                    'search_title'  'at':3 'german':5 'henry':1 'hilda':2 'picnic':6 'the':4
                                   'search_artist'  'ada':1 'jones':2 'len':3 'spencer':4
                                  'search_release'  '23':3 'amberol':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1908':6 'and':8 'country':4 'exotica':2 'henny':7 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':18 '1908':19 '23':13C 'ada':7B 'amberol':12C 'and':21 'at':3A 'country':17 'edison':11C 'exotica':15 'german':5A 'henny':20 'henry':1A 'hilda':2A 'jazz':14 'jones':8B 'len':9B 'oldies':16 'picnic':6A 'prerock':22 'spencer':10B 'the':4A 'vocal':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  7A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jewish', 'vaudeville', 'cylinder', 'musical', 'early recordings']
                                        'tag_date'  1908
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665951.9545233  (2021-05-10 18:59:11)
                             'size'  5392468