======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '185'
                                          'artist'  'Rina Ketty'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'La Carosse De Don Benito'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'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-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'chanson', '30s', 'french']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '124.9'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         'La Carosse De Don Benito'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Rina Ketty'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['female vocalists', 'chanson', '30s', 'french']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.429304'

========================== row from database ==========================
                                              'id'  725866
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Rina Ketty/Rina Ketty - La carosse de Don Benito.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  185
                                           'genre'  loc-eur-france
                                        'filesize'  2595801
                                           'mtime'  1620533181
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm carosse de loc eur france
                                      'tag_artist'  Rina Ketty
                                     'tag_release'  None
                                       'tag_title'  La Carosse De Don Benito
                                             'bpm'  124.9
                                    'search_title'  'benito':5 'carosse':2 'de':3 'don':4 'la':1
                                   'search_artist'  'ketty':2 'rina':1
                                  'search_release'  
                                     'search_rest'  'carosse':1 'de':2 'eur':4 'france':5 'loc':3
                                    'search_combo'  'benito':5A 'carosse':2A,8 'de':3A,9 'don':4A 'eur':11 'france':12 'ketty':7B 'la':1A 'loc':10 'rina':6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['female vocalists', 'chanson', '30s', 'french']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533180.6144965  (2021-05-09 06:06:20)
                             'size'  2595801