======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '182'
                                          'artist'  'Irene Dunne'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Smoke Gets In Your Eyes (+ Victor Young Orchestra)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-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'  "['jazz', '30s', '40s', 'female vocalist', 'soprano']"
                                     'discogstags'  "['stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1941'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '144.3'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '144.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1941-07-16'
'TIT2' (Title/songname/content description)         'Smoke Gets In Your Eyes (+ Victor Young Orchestra)'
'TKEY' (Initial key)                                '8B'
'TLEN' (Length)                                     '182000'
'TPE1' (Lead performer(s)/Soloist(s))               'Irene Dunne'
'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:discogstags'                                  'stage & screen'
'TXXX:lastfmtags'                                   ['jazz', '30s', '40s', 'female vocalist', 'soprano']
'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'                        '+1.65 dB'
'TXXX:replaygain_track_peak'                        '0.708426'

========================== row from database ==========================
                                              'id'  1475548
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1941/Irene Dunne - Smoke Gets In Your Eyes (+ Victor Young Orchestra) 16-7-1941.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  182
                                           'genre'  prerock-band
                                        'filesize'  3695586
                                           'mtime'  1620560909
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1941 16 7 1941 prerock band
                                      'tag_artist'  Irene Dunne
                                     'tag_release'  None
                                       'tag_title'  Smoke Gets In Your Eyes (+ Victor Young Orchestra)
                                             'bpm'  144.3
                                    'search_title'  'eyes':5 'gets':2 'in':3 'orchestra':8,9 'smoke':1 'victor':6 'young':7 'your':4
                                   'search_artist'  'dunne':2 'irene':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1941':6 '7':7 'band':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':16 '1941':17 '7':18 'band':20 'country':15 'dunne':11B 'exotica':13 'eyes':5A 'gets':2A 'in':3A 'irene':10B 'jazz':12 'oldies':14 'orchestra':8A,9A 'prerock':19 'smoke':1A 'victor':6A 'young':7A 'your':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8B
                                           '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'  ['jazz', '30s', '40s', 'female vocalist', 'soprano']
                                        'tag_date'  1941
                                     'discogstags'  ['stage & screen']

============================== file details ==============================
                                           'mtime'  1620560908.866636  (2021-05-09 13:48:28)
                             'size'  3695586