======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '208'
                                          'artist'  'Nicole Louvier'
                                     'text_people'  ''
                                         'release'  'Omega 36235'
                                           'title'  'Qui Me Délivrera (Grand Prix Chanson Deauville)'
                                           '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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['chanson', 'the vitamin b12', 'quartier latin']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '140.335'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Omega 36235'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         'Qui Me Délivrera (Grand Prix Chanson Deauville)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nicole Louvier'
'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'                                  'pop'
'TXXX:lastfmtags'                                   ['chanson', 'the vitamin b12', 'quartier latin']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.803081'

========================== row from database ==========================
                                              'id'  1446405
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Nicole Louvier - Qui Me Délivrera (Grand Prix Chanson Deauville) 1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  208
                                           'genre'  prerock-unsorted
                                        'filesize'  4167474
                                           'mtime'  1621698165
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 1953 prerock unsorted
                                      'tag_artist'  Nicole Louvier
                                     'tag_release'  Omega 36235
                                       'tag_title'  Qui Me Délivrera (Grand Prix Chanson Deauville)
                                             'bpm'  140.335
                                    'search_title'  'chanson':8 'deauville':9,10 'delivrera':3,4 'grand':5,6 'me':2 'prix':7 'qui':1
                                   'search_artist'  'louvier':2 'nicole':1
                                  'search_release'  '36235':2 'omega':1
                                     'search_rest'  '00oldiepop':5 '1953':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':19 '1953':20 '36235':14C 'chanson':8A 'country':18 'deauville':9A,10A 'delivrera':3A,4A 'exotica':16 'grand':5A,6A 'jazz':15 'louvier':12B 'me':2A 'nicole':11B 'oldies':17 'omega':13C 'prerock':21 'prix':7A 'qui':1A 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['chanson', 'the vitamin b12', 'quartier latin']
                                        'tag_date'  1953
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1621698164.7781181  (2021-05-22 17:42:44)
                             'size'  4167474