======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '199'
                                          'artist'  "Louis Mitchell's Jazz Kings"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "J' En Ai Marre"
                                           '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1922'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '118.636'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.636'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1922'
'TIT2' (Title/songname/content description)         "J' En Ai Marre"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               "Louis Mitchell's Jazz Kings"
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.59 dB'
'TXXX:replaygain_track_peak'                        '0.699295'

========================== row from database ==========================
                                              'id'  1506131
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1922/Louis Mitchell_s Jazz Kings - J_en ai marre -1-1922.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  199
                                           'genre'  prerock-unsorted
                                        'filesize'  4001636
                                           'mtime'  1621697898
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1922 Mitchell_s J_en ai marre 1 1922 prerock unsorted
                                      'tag_artist'  Louis Mitchell's Jazz Kings
                                     'tag_release'  None
                                       'tag_title'  J' En Ai Marre
                                             'bpm'  118.636
                                    'search_title'  'ai':4 'en':3 'j':1,2 'marre':5
                                   'search_artist'  'jazz':5 'kings':6 'louis':1 'mitchell':2 'mitchells':4 's':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':13 '1922':6 'ai':11 'country':4 'en':10 'exotica':2 'j':9 'jazz':1 'marre':12 'mitchell':7 'oldies':3 'prerock':14 's':8 'unsorted':15
                                    'search_combo'  '00oldiepop':16 '1':24 '1922':17 'ai':4A,22 'country':15 'en':3A,21 'exotica':13 'j':1A,2A,20 'jazz':10B,12 'kings':11B 'louis':6B 'marre':5A,23 'mitchell':7B,18 'mitchells':9B 'oldies':14 'prerock':25 's':8B,19 'unsorted':26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1922
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697898.4660523  (2021-05-22 17:38:18)
                             'size'  4001636