======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '208'
                                          'artist'  'Odeurs'
                                     'text_people'  ''
                                         'release'  'non conforme 14'
                                           'title'  'Petit caca noël'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'q-chart-1', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['post-punk', 'french', 'experimental', 'french punk', 'cover']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '107.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'non conforme 14'
'TBPM' (BPM (beats per minute))                     '107.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Petit caca noël'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '208875'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Odeurs'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['post-punk', 'french', 'experimental', 'french punk', 'cover']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.79 dB'
'TXXX:replaygain_track_peak'                        '0.927598'

========================== row from database ==========================
                                              'id'  728739
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - non conforme 14/++Petit caca noël-Odeurs.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  208
                                           'genre'  loc-eur-france
                                        'filesize'  3344306
                                           'mtime'  1620533548
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va ++Petit loc france
                                      'tag_artist'  Odeurs
                                     'tag_release'  non conforme 14
                                       'tag_title'  Petit caca noël
                                             'bpm'  107.6
                                    'search_title'  'caca':2 'noel':3,4 'petit':1
                                   'search_artist'  'odeurs':1
                                  'search_release'  'conforme':2 'non':1
                                     'search_rest'  'france':4 'loc':3 'petit':2 'va':1
                                    'search_combo'  'caca':2A 'conforme':7C 'france':11 'loc':10 'noel':3A,4A 'non':6C 'odeurs':5B 'petit':1A,9 'va':8
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post-punk', 'french', 'experimental', 'french punk', 'cover']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533547.8969734  (2021-05-09 06:12:27)
                             'size'  3344306