======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '338'
                                          'artist'  'Dark Funeral'
                                     'text_people'  ''
                                         'release'  'Attera Totus Sanctus'
                                           'title'  'Attera Totus Sanctus'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black "
 "metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '16'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '130'
                                             'key'  '2A'
                                        'acoustid'  '05154cb7-84e4-4502-8eee-7e9ca003ce29'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:Á(\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xc1(\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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')
'TALB' (Album/Movie/Show title)                     'Attera Totus Sanctus'
'TBPM' (BPM (beats per minute))                     '130'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2013-11-22'
'TIT2' (Title/songname/content description)         'Attera Totus Sanctus'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Dark Funeral'
'TPE2' (Band/orchestra/accompaniment)               'Dark Funeral'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Century Media'
'TRCK' (Track number/Position in set)               '3/16'
'TSO2'                                              'Dark Funeral'
'TSOP' (Performer sort order)                       'Dark Funeral'
'TXXX:Acoustid Id'                                  '05154cb7-84e4-4502-8eee-7e9ca003ce29'
'TXXX:Artists'                                      'Dark Funeral'
'TXXX:BARCODE'                                      '886444303279'
'TXXX:CATALOGNUMBER'                                'none'
'TXXX:MusicBrainz Album Artist Id'                  '7561ff6c-2ab7-4776-9a9a-662f23b2effc'
'TXXX:MusicBrainz Album Id'                         '990b5c21-05d8-49f4-aff6-bfca5604ba3c'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7561ff6c-2ab7-4776-9a9a-662f23b2effc'
'TXXX:MusicBrainz Release Group Id'                 'f0b65585-3504-3e6c-87b4-70cf5d318f8a'
'TXXX:MusicBrainz Release Track Id'                 '2c3b5c48-6f19-4f42-b75e-803e6a194d64'
'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'                                   ['swedish',
 'swedish black metal',
 'black metal',
 'metal',
 'melodic black metal']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.350909'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'687cb5d6-4973-4730-a185-b9c2e3e3da3c')

========================== row from database ==========================
                                              'id'  1251557
                                            'path'  /data/Music/Bulk/00dwimp/Dark Funeral/Attera totus sanctus/03 Attera Totus Sanctus.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  338
                                           'genre'  eid-metal-black
                                        'filesize'  8142577
                                           'mtime'  1620301868
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp totus sanctus 03 eid metal black
                                      'tag_artist'  Dark Funeral
                                     'tag_release'  Attera Totus Sanctus
                                       'tag_title'  Attera Totus Sanctus
                                             'bpm'  130.0
                                    'search_title'  'attera':1 'sanctus':3 'totus':2
                                   'search_artist'  'dark':1 'funeral':2
                                  'search_release'  'attera':1 'sanctus':3 'totus':2
                                     'search_rest'  '00dwimp':1 'black':6 'eid':4 'metal':5 'sanctus':3 'totus':2
                                    'search_combo'  '00dwimp':9 'attera':1A,6C 'black':14 'dark':4B 'eid':12 'funeral':5B 'metal':13 'sanctus':3A,8C,11 'totus':2A,7C,10
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['swedish', 'swedish black metal', 'black metal', 'metal', 'melodic black metal']
                                        'tag_date'  2013
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301867.7880986  (2021-05-06 13:51:07)
                             'size'  8142577