======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '179'
                                          'artist'  'Hildegarde'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Leave us, face it (We're in love)"
                                           'quals'  ("['Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'cabaret', 'female vocalists', '20s', 'the vitamin b12']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '204'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '139.754'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '139.754'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         "Leave us, face it (We're in love)"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hildegarde'
'TRCK' (Track number/Position in set)               '204'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'cabaret', 'female vocalists', '20s', 'the vitamin b12']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.357956'

========================== row from database ==========================
                                              'id'  1505216
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/204 Leave us, face it (We_re in love) - Hildegarde (4-03-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  179
                                           'genre'  prerock-unsorted
                                        'filesize'  2873492
                                           'mtime'  1620386958
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 204 (We_re (4 03 1944) prerock unsorted
                                      'tag_artist'  Hildegarde
                                     'tag_release'  None
                                       'tag_title'  Leave us, face it (We're in love)
                                             'bpm'  139.754
                                    'search_title'  'face':4 'in':9 'it':5 'leave':1 'love':10,11 're':7 'us':2,3 'we':6 'were':8
                                   'search_artist'  'hildegarde':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 '1944':14,15 '204':7 '4':12,13 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':16 're':9,11 'unsorted':17 'we':8,10
                                    'search_combo'  '00oldiepop':17 '1943':18 '1944':26,27 '204':19 '4':24,25 'country':16 'exotica':14 'face':4A 'hildegarde':12B 'in':9A 'it':5A 'jazz':13 'leave':1A 'love':10A,11A 'oldies':15 'prerock':28 're':7A,21,23 'unsorted':29 'us':2A,3A 'we':6A,20,22 'were':8A
                                    'tag_tracknum'  204
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'cabaret', 'female vocalists', '20s', 'the vitamin b12']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620386958.3829277  (2021-05-07 13:29:18)
                             'size'  2873492