======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '162'
                                          'artist'  'Georges Brassens'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "A l'ombre"
                                           'quals'  ("['Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-3', 'q-bass-1', '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'  '144.4'
                                             'key'  'C#m'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '144.4'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TENC' (Encoded by)                                 'iTunes v4.2.0.72'
'TIT2' (Title/songname/content description)         "A l'ombre"
'TKEY' (Initial key)                                'C#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Georges Brassens'
'TXXX:MusicMagic Data'                              'AgEBWgQsgqmUVK4pg6Mriw+hgAGFSYSF/WugZDCcgvu9ObM0gAEbYK4KgAHZUIBChVeAAbuVxE7UoIABgAHbZf6S9bmnsq4CgAKAAYlLkZyltIMoBO4AxIVqgcyEVPIKniYwr4HnwjKMi4ABCpS1pIFx5mKBo4LdgAGsQJ6f0TyPQoABtJD5DOlAq2eeNoACgAE='
'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'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.407395'

========================== row from database ==========================
                                              'id'  1495147
                                            'path'  /data/Music/Other/Pa/France/Georges Brassens/A l'ombre.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  162
                                           'genre'  loc-eur-france
                                        'filesize'  3264619
                                           'mtime'  1621354386
                                   'redo_metaread'  0
                                        'rest_str'   Pa France loc eur france
                                      'tag_artist'  Georges Brassens
                                     'tag_release'  None
                                       'tag_title'  A l'ombre
                                             'bpm'  144.4
                                    'search_title'  'a':1 'l':2 'lombre':4 'ombre':3
                                   'search_artist'  'brassens':2 'georges':1
                                  'search_release'  
                                     'search_rest'  'eur':4 'france':2 'loc':3 'pa':1
                                    'search_combo'  'a':1A 'brassens':6B 'eur':10 'france':8 'georges':5B 'l':2A 'loc':9 'lombre':4A 'ombre':3A 'pa':7
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  C#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-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621354386.0171192  (2021-05-18 18:13:06)
                             'size'  3264619