======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '145'
                                          'artist'  'Georges Brassens'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Une jolie fleur'
                                           'quals'  ("['Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'q-bass-3', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-PLAY-2', "
 "'Q-CHART-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '135.6'
                                             'key'  'A#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '135.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Une jolie fleur'
'TKEY' (Initial key)                                'A#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Georges Brassens'
'TXXX:MusicMagic Data'                              'AgEBY1AfgeCRd5eRghbG30QZgAGCJIQS91+fRC6JgK26iKvkgAETxbGUgAHx4IABgimAAa0ZqR/FTIABgAHJNPrO4Q+AAZ8wgAKAAYfgkvKhaYLW8hcF64EFgiCD0PjpoCouuIJ+wuaNl4BtE022AIBa60CCT4MXgAGwzajQzsKJkYABvfb7k+mVqIKhQoACgAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.572869'

========================== row from database ==========================
                                              'id'  1495559
                                            'path'  /data/Music/Other/Pa/France/Georges Brassens/Une jolie fleur.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  145
                                           'genre'  loc-eur-france
                                        'filesize'  2917577
                                           'mtime'  1621354386
                                   'redo_metaread'  0
                                        'rest_str'   Pa France loc france
                                      'tag_artist'  Georges Brassens
                                     'tag_release'  None
                                       'tag_title'  Une jolie fleur
                                             'bpm'  135.6
                                    'search_title'  'fleur':3 'jolie':2 'une':1
                                   'search_artist'  'brassens':2 'georges':1
                                  'search_release'  
                                     'search_rest'  'france':2 'loc':3 'pa':1
                                    'search_combo'  'brassens':5B 'fleur':3A 'france':7 'georges':4B 'jolie':2A 'loc':8 'pa':6 'une':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  A#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-1', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621354386.2763748  (2021-05-18 18:13:06)
                             'size'  2917577