======================== unified (from filesystem) ========================
                                         'bitrate'  '207.62'
                                        'duration'  '387'
                                          'artist'  'Enslaved'
                                     'text_people'  'I.S. Peersen'
                                         'release'  'Vertebrae'
                                           'title'  'To the Coast'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'progressive black metal', 'black metal', 'viking metal', "
 "'progressive metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '96.8'
                                             'key'  '1A'
                                        'acoustid'  '455f42cd-74fb-45ce-adec-59cfc092e3e1'
rest: ''

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

'COMM::dut'                                         'QTXMp3!'
'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 \x001\x004\x003\x001\x009\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x000\x005\x004\x002\x008\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x004\x003\x001\x009\x000\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x005\x000\x005\x004\x002\x008\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x02\x90`\x8eò4\x91J\x8f,\x16&\x9f;tä'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x02\x90`\x8e\xf24\x91J\x8f,\x16&\x9f;t\xe4')
'PRIV:WM/WMCollectionID:\x02\x90`\x8eò4\x91J\x8f,\x16&\x9f;tä'  PRIV(owner='WM/WMCollectionID', data=b'\x02\x90`\x8e\xf24\x91J\x8f,\x16&\x9f;t\xe4')
'PRIV:WM/WMContentID:øàC:mÓãK\x8f\x1fÕuÿ¿¥Á'        PRIV(owner='WM/WMContentID', data=b'\xf8\xe0C:m\xd3\xe3K\x8f\x1f\xd5u\xff\xbf\xa5\xc1')
'TALB' (Album/Movie/Show title)                     'Vertebrae'
'TBPM' (BPM (beats per minute))                     '96.8'
'TCOM' (Composer)                                   'I.S. Peersen'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Grutle Kjellson'], ['producer', 'Herbrand Larsen'], ['producer', 'Ivar Bjørnson'], ['engineer', 'Ice Dale'], ['engineer', 'Johnny Skalleberg'], ['engineer', 'Mike Hartung'], ['engineer', 'Herbrand Larsen'], ['engineer', 'Ivar Bjørnson'], ['mix', 'Joe Barresi'], ['bass guitar', 'Grutle Kjellson'], ['guitar', 'Ice Dale'], ['guitar', 'Ivar Bjørnson'], ['vocal', 'Grutle Kjellson'], ['vocal', 'Herbrand Larsen'], ['membranophone', 'Cato Bekkevold'], ['keyboard and organ', 'Herbrand Larsen']])
'TIT2' (Title/songname/content description)         'To the Coast'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Enslaved'
'TPE2' (Band/orchestra/accompaniment)               'Enslaved'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Фоно'
'TRCK' (Track number/Position in set)               '2/8'
'TSO2'                                              'Enslaved'
'TSOP' (Performer sort order)                       'Enslaved'
'TXXX:Acoustid Id'                                  '455f42cd-74fb-45ce-adec-59cfc092e3e1'
'TXXX:CATALOGNUMBER'                                'FO759CD'
'TXXX:MusicBrainz Album Artist Id'                  '29bb04d6-5602-464c-8577-f55a27511b27'
'TXXX:MusicBrainz Album Id'                         '27ed7534-8e47-38ba-8b1f-578e86902d26'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29bb04d6-5602-464c-8577-f55a27511b27'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['norwegian',
 'progressive black metal',
 'black metal',
 'viking metal',
 'progressive metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.01 dB'
'TXXX:replaygain_track_peak'                        '0.396667'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'dadfda0c-6e24-4269-b85c-17cbbe240ae3')

========================== row from database ==========================
                                              'id'  1399332
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Enslaved-Vertebrae-Promo-2008-QTXMp3/02-to_the_coast-qtxmp3.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  387
                                           'genre'  eid-metal-black
                                        'filesize'  10055549
                                           'mtime'  1620301676
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Promo 2008 QTXMp3 02 to_the_coast qtxmp3 eid metal black
                                      'tag_artist'  Enslaved
                                     'tag_release'  Vertebrae
                                       'tag_title'  To the Coast
                                             'bpm'  96.8
                                    'search_title'  'coast':3 'the':2 'to':1
                                   'search_artist'  'enslaved':1
                                  'search_release'  'vertebrae':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2008':4 'black':11 'coast':8 'eid':9 'metal':10 'promo':3 'qtxmp3':5 'the':7 'to':6
                                    'search_combo'  '00dwimp':6 '00metal':7 '2008':9 'black':16 'coast':3A,13 'eid':14 'enslaved':4B 'metal':15 'promo':8 'qtxmp3':10 'the':2A,12 'to':1A,11 'vertebrae':5C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'progressive black metal', 'black metal', 'viking metal', 'progressive metal']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301676.228382  (2021-05-06 13:47:56)
                             'size'  10055549