======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '327'
                                          'artist'  'Mc Jean Gab1'
                                     'text_people'  ''
                                         'release'  'Ma Vie '
                                           'title'  "J't'emmerde"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-1', 'q-bass-3', '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-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['hip-hop', 'french', 'french rap', 'rap', 'clash']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-eur-france'
                                             'bpm'  '100.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x000\x001\x009\x007\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x006\x009\x001\x009\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x009\x008\x005\x003\x000\x007\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x000\x001\x009\x007\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x006\x009\x001\x009\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x009\x008\x005\x003\x000\x007\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:T\x1f\x85Ë\x14:\x12H·I\x80Õë\x8b\xad\x8f'  PRIV(owner='WM/WMCollectionGroupID', data=b'T\x1f\x85\xcb\x14:\x12H\xb7I\x80\xd5\xeb\x8b\xad\x8f')
'PRIV:WM/WMCollectionID:T\x1f\x85Ë\x14:\x12H·I\x80Õë\x8b\xad\x8f'  PRIV(owner='WM/WMCollectionID', data=b'T\x1f\x85\xcb\x14:\x12H\xb7I\x80\xd5\xeb\x8b\xad\x8f')
'PRIV:WM/WMContentID:6Â\x0b\x9cK\x88ÕA\x84úvt\x1e*\x16v'  PRIV(owner='WM/WMContentID', data=b'6\xc2\x0b\x9cK\x88\xd5A\x84\xfavt\x1e*\x16v')
'TALB' (Album/Movie/Show title)                     'Ma Vie '
'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-france'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "J't'emmerde"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mc Jean Gab1'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'EMI Music Distribution'
'TRCK' (Track number/Position in set)               '2'
'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'                                   ['hip-hop', 'french', 'french rap', 'rap', 'clash']
'TXXX:q-bass'                                       '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.400672'

========================== row from database ==========================
                                              'id'  729378
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/va - non conforme 14/02-mc_jean_gab1-jtemmerde-mvp.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  327
                                           'genre'  loc-eur-france
                                        'filesize'  7875555
                                           'mtime'  1620533558
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm va non conforme 14 02 mc_jean_gab1 jtemmerde mvp loc eur france
                                      'tag_artist'  Mc Jean Gab1
                                     'tag_release'  Ma Vie 
                                       'tag_title'  J't'emmerde
                                             'bpm'  100.2
                                    'search_title'  'emmerde':3 'j':1 'jtemmerde':4 't':2
                                   'search_artist'  'gab1':3 'jean':2 'mc':1
                                  'search_release'  'ma':1 'vie':2
                                     'search_rest'  'conforme':3 'eur':10 'france':11 'gab1':6 'jean':5 'jtemmerde':7 'loc':9 'mc':4 'mvp':8 'non':2 'va':1
                                    'search_combo'  'conforme':12 'emmerde':3A 'eur':19 'france':20 'gab1':7B,15 'j':1A 'jean':6B,14 'jtemmerde':4A,16 'loc':18 'ma':8C 'mc':5B,13 'mvp':17 'non':11 't':2A 'va':10 'vie':9C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-grit-2']
                                      'lastfmtags'  ['hip-hop', 'french', 'french rap', 'rap', 'clash']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533558.4759  (2021-05-09 06:12:38)
                             'size'  7875555