======================== unified (from filesystem) ========================
                                         'bitrate'  '239.841'
                                        'duration'  '504'
                                          'artist'  'ISIS'
                                     'text_people'  'Isis'
                                         'release'  'Oceanic'
                                           'title'  'From Sinking'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-sludge or grind'
                                             'bpm'  '118.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         (' 00001648 0000125D 00005D04 00005140 00071EF5 00070D1A 000086D3 000086A3 '
 '000736A1 0002E3E5')
'COMM:iTunes_CDDB_IDs:eng'                          '9+5A5CC894C74D7DBD7554B79E2B210CDF+4460656'
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x005\x000\x006\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x007\x002\x001\x007\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x009\x000\x009\x001\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x005\x000\x006\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x007\x002\x001\x007\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x007\x009\x000\x009\x001\x000\x00\x00\x00')
'PRIV:ZuneAlbumArtistMediaID:\x00\x02\x1bø\x00\x02Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumArtistMediaID', data=b'\x00\x02\x1b\xf8\x00\x02\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneAlbumMediaID:\x06|¨2\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneAlbumMediaID', data=b'\x06|\xa82\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'PRIV:ZuneCollectionID:\x18i>j\x18\x0f\x0fL\x94\x0fß5¿\x03\x01\x17'  PRIV(owner='ZuneCollectionID', data=b'\x18i>j\x18\x0f\x0fL\x94\x0f\xdf5\xbf\x03\x01\x17')
'PRIV:ZuneMediaID:\x06|\x9b=\x00\x01Û\x11\x89Ê\x00\x19¹*93'  PRIV(owner='ZuneMediaID', data=b'\x06|\x9b=\x00\x01\xdb\x11\x89\xca\x00\x19\xb9*93')
'TALB' (Album/Movie/Show title)                     'Oceanic'
'TBPM' (BPM (beats per minute))                     '118.3'
'TCOM' (Composer)                                   'Isis'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-sludge or grind'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'From Sinking'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'ISIS'
'TPE2' (Band/orchestra/accompaniment)               'ISIS'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.46 dB'
'TXXX:replaygain_track_peak'                        '0.444762'

========================== row from database ==========================
                                              'id'  1402275
                                            'path'  /data/Music/Bulk/00dwimp/00metal/ISIS - Oceanic/08 From Sinking 1.mp3
                                         'working'  None
                                         'bitrate'  239
                                    'duration_sec'  504
                                           'genre'  eid-metal-sludge or grind
                                        'filesize'  15177506
                                           'mtime'  1620310850
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 08 1 eid metal sludge or grind
                                      'tag_artist'  ISIS
                                     'tag_release'  Oceanic
                                       'tag_title'  From Sinking
                                             'bpm'  118.3
                                    'search_title'  'from':1 'sinking':2
                                   'search_artist'  'isis':1
                                  'search_release'  'oceanic':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '1':3 'eid':4 'grind':8 'metal':5 'or':7 'sludge':6
                                    'search_combo'  '00dwimp':5 '00metal':6 '1':7 'eid':8 'from':1A 'grind':12 'isis':3B 'metal':9 'oceanic':4C 'or':11 'sinking':2A 'sludge':10
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['sludge', 'metal', 'post rock', 'post metal', 'progressive metal']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620310849.6654637  (2021-05-06 16:20:49)
                             'size'  15177506