======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '30'
                                          'artist'  'Victims'
                                     'text_people'  ''
                                         'release'  '...In Blood'
                                           'title'  'Dagar Utan Ljus'
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk', 'hardcore', 'crust', 'crust punk', 'd beat']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '18'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '114'
                                             'key'  '12A'
                                        'acoustid'  '18db48de-cb7b-4f74-b3d5-08d15d7282c1'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000326 0000029E 00000A0A'
'COMM:iTunNORM:eng'                                 (' 00000326 0000029E 00000A0A 00000670 00004C76 00001721 00002F89 000030FA '
 '00002B43 000009B4')
'TALB' (Album/Movie/Show title)                     '...In Blood'
'TBPM' (BPM (beats per minute))                     '114'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Dagar Utan Ljus'
'TKEY' (Initial key)                                '12A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Victims'
'TPE2' (Band/orchestra/accompaniment)               'Victims'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Havoc Records'
'TRCK' (Track number/Position in set)               '2/18'
'TSO2'                                              'Victims'
'TSOP' (Performer sort order)                       'Victims'
'TXXX:Acoustid Id'                                  '18db48de-cb7b-4f74-b3d5-08d15d7282c1'
'TXXX:Artists'                                      'Victims'
'TXXX:MusicBrainz Album Artist Id'                  '09a0cf96-523c-4aba-8243-70ef05ef43c7'
'TXXX:MusicBrainz Album Id'                         '8c83b4b9-90fd-4715-a716-d085046d4eaa'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '09a0cf96-523c-4aba-8243-70ef05ef43c7'
'TXXX:MusicBrainz Release Group Id'                 '631f9110-1051-381e-83f9-c083c47b2e30'
'TXXX:MusicBrainz Release Track Id'                 '130e481f-2589-45dc-a8d3-ddfae687e3f1'
'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'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['punk', 'hardcore', 'crust', 'crust punk', 'd beat']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '2'
'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'                        '-2.50 dB'
'TXXX:replaygain_track_peak'                        '0.541160'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cb98fe7d-62d7-4a27-809e-bece1d2ef5e8')

========================== row from database ==========================
                                              'id'  1395399
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Victims - 2004 - ...in blood/02 Dagar Utan Ljus.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  30
                                           'genre'  eid-metal-crust
                                        'filesize'  496999
                                           'mtime'  1620310809
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2004 ...in blood 02 eid metal crust
                                      'tag_artist'  Victims
                                     'tag_release'  ...In Blood
                                       'tag_title'  Dagar Utan Ljus
                                             'bpm'  114.0
                                    'search_title'  'dagar':1 'ljus':3 'utan':2
                                   'search_artist'  'victims':1
                                  'search_release'  'blood':3 'in':1,2
                                     'search_rest'  '00dwimp':1 '00metal':2 '2004':3 'blood':6 'crust':9 'eid':7 'in':4,5 'metal':8
                                    'search_combo'  '00dwimp':8 '00metal':9 '2004':10 'blood':7C,13 'crust':16 'dagar':1A 'eid':14 'in':5C,6C,11,12 'ljus':3A 'metal':15 'utan':2A 'victims':4B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  12A
                                           '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-2', 'q-grit-4']
                                      'lastfmtags'  ['punk', 'hardcore', 'crust', 'crust punk', 'd beat']
                                        'tag_date'  2005
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310809.2439356  (2021-05-06 16:20:09)
                             'size'  496999