======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '95'
                                          'artist'  'Forever Slave'
                                     'text_people'  ''
                                         'release'  'Schwarzer Engel'
                                           'title'  'Black Roses in My Tomb'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['female vocalists', 'gothic', 'female fronted metal', 'symphonic metal', "
 "'gothic metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '3'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '142.407'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:'                                             POPM(email='', rating=153, count=0)
'PRIV:AverageLevel:\x98%\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x98%\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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)                     'Schwarzer Engel'
'TBPM' (BPM (beats per minute))                     '142.407'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Black Roses in My Tomb'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Forever Slave'
'TPE2' (Band/orchestra/accompaniment)               'Forever Slave'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '2/3'
'TSO2'                                              'Forever Slave'
'TSOP' (Performer sort order)                       'Forever Slave'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MusicBrainz Album Artist Id'                  '93ec1a85-5456-4984-bb84-d5437195c850'
'TXXX:MusicBrainz Album Id'                         'c0cfbe2a-6e22-4461-b5e4-cd397904c012'
'TXXX:MusicBrainz Album Release Country'            'ES'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'other'
'TXXX:MusicBrainz Artist Id'                        '93ec1a85-5456-4984-bb84-d5437195c850'
'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'                                   ['female vocalists',
 'gothic',
 'female fronted metal',
 'symphonic metal',
 'gothic metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.380754'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ffe24c21-2bf1-4fcb-a720-5b278c543a88')

========================== row from database ==========================
                                              'id'  1395299
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Forever Slave/2001 - Schwarzer Engel (demo)/Black Roses in my Tomb.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  95
                                           'genre'  eid-metal
                                        'filesize'  1541964
                                           'mtime'  1620300728
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2001 (demo) my eid metal
                                      'tag_artist'  Forever Slave
                                     'tag_release'  Schwarzer Engel
                                       'tag_title'  Black Roses in My Tomb
                                             'bpm'  142.407
                                    'search_title'  'black':1 'in':3 'my':4 'roses':2 'tomb':5
                                   'search_artist'  'forever':1 'slave':2
                                  'search_release'  'engel':2 'schwarzer':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2001':3 'demo':4,5 'eid':7 'metal':8 'my':6
                                    'search_combo'  '00dwimp':10 '00metal':11 '2001':12 'black':1A 'demo':13,14 'eid':16 'engel':9C 'forever':6B 'in':3A 'metal':17 'my':4A,15 'roses':2A 'schwarzer':8C 'slave':7B 'tomb':5A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['female vocalists', 'gothic', 'female fronted metal', 'symphonic metal', 'gothic metal']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300728.2067919  (2021-05-06 13:32:08)
                             'size'  1541964