======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Nifelheim'
                                     'text_people'  ''
                                         'release'  "Devil's Force"
                                           'title'  "Devil's Force"
                                           '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-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['thrash metal', 'blackened thrash metal', 'swedish', 'black metal', 'black "
 "thrash metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '121.3'
                                             'key'  '4B'
                                        'acoustid'  '7ba6c7d9-73cc-4e0d-b013-999e6483d29b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Devil's Force"
'TBPM' (BPM (beats per minute))                     '121.3'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '2007-12-05'
'TIT2' (Title/songname/content description)         "Devil's Force"
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nifelheim'
'TPE2' (Band/orchestra/accompaniment)               'Nifelheim'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear War Now! Productions'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Nifelheim'
'TSOP' (Performer sort order)                       'Nifelheim'
'TXXX:Acoustid Id'                                  '7ba6c7d9-73cc-4e0d-b013-999e6483d29b'
'TXXX:Artists'                                      'Nifelheim'
'TXXX:CATALOGNUMBER'                                'ANTI-GOTH 086'
'TXXX:MusicBrainz Album Artist Id'                  '51f5f29e-ffc2-4c99-927b-f80259d32a04'
'TXXX:MusicBrainz Album Id'                         'cc22028f-841e-37da-a5fc-272380363849'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '51f5f29e-ffc2-4c99-927b-f80259d32a04'
'TXXX:MusicBrainz Release Group Id'                 'd6796473-a821-3743-92d3-c0f45c346a98'
'TXXX:MusicBrainz Release Track Id'                 'bb3f894a-102a-3b48-a4bd-84e528c9215a'
'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'                                  ['black metal', 'rock']
'TXXX:lastfmtags'                                   ['thrash metal',
 'blackened thrash metal',
 'swedish',
 'black metal',
 'black thrash metal']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.412192'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'25b71a68-1677-49a7-9618-572601c86e45')

========================== row from database ==========================
                                              'id'  1525121
                                            'path'  /data/Music/Bulk/00dwimp/00metal/nifelheim/Devil_s Force/nifelheim - 07 - devil_s force.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  eid-metal-trash
                                        'filesize'  3616802
                                           'mtime'  1620311644
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal nifelheim Devil_s nifelheim 07 devil_s force eid metal trash
                                      'tag_artist'  Nifelheim
                                     'tag_release'  Devil's Force
                                       'tag_title'  Devil's Force
                                             'bpm'  121.3
                                    'search_title'  'devil':1 'devils':3 'force':4 's':2
                                   'search_artist'  'nifelheim':1
                                  'search_release'  'devil':1 'devils':3 'force':4 's':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'devil':4 'eid':7 'force':6 'metal':8 'nifelheim':3 's':5 'trash':9
                                    'search_combo'  '00dwimp':10 '00metal':11 'devil':1A,6C,13 'devils':3A,8C 'eid':16 'force':4A,9C,15 'metal':17 'nifelheim':5B,12 's':2A,7C,14 'trash':18
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3']
                                      'lastfmtags'  ['thrash metal', 'blackened thrash metal', 'swedish', 'black metal', 'black thrash metal']
                                        'tag_date'  2007
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620311643.9292128  (2021-05-06 16:34:03)
                             'size'  3616802