======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '227'
                                          'artist'  'Nifelheim'
                                     'text_people'  ''
                                         'release'  "Devil's Force"
                                           'title'  'Deathstrike From Hell'
                                           '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'  '1'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '136'
                                             'key'  '9A'
                                        'acoustid'  '29d852d3-70cf-4643-8945-f4ce84a6ac93'
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))                     '136'
'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)         'Deathstrike From Hell'
'TKEY' (Initial key)                                '9A'
'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)               '1/8'
'TSO2'                                              'Nifelheim'
'TSOP' (Performer sort order)                       'Nifelheim'
'TXXX:Acoustid Id'                                  '29d852d3-70cf-4643-8945-f4ce84a6ac93'
'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'                 '3e2e069c-ff4a-308d-a7dc-6a2d4ce76fe5'
'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'                        '-0.94 dB'
'TXXX:replaygain_track_peak'                        '0.391631'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0cb1d5cf-f298-45fe-880e-54d9a23c01d6')

========================== row from database ==========================
                                              'id'  1533317
                                            'path'  /data/Music/Bulk/00dwimp/00metal/nifelheim/Devil_s Force/nifelheim - 01 - deathstrike from hell.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  227
                                           'genre'  eid-metal-trash
                                        'filesize'  3683340
                                           'mtime'  1620311642
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal nifelheim Devil_s nifelheim 01 deathstrike from hell eid metal trash
                                      'tag_artist'  Nifelheim
                                     'tag_release'  Devil's Force
                                       'tag_title'  Deathstrike From Hell
                                             'bpm'  136.0
                                    'search_title'  'deathstrike':1 'from':2 'hell':3
                                   'search_artist'  'nifelheim':1
                                  'search_release'  'devil':1 'devils':3 'force':4 's':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'deathstrike':6 'devil':4 'eid':9 'from':7 'hell':8 'metal':10 'nifelheim':3 's':5 'trash':11
                                    'search_combo'  '00dwimp':9 '00metal':10 'deathstrike':1A,14 'devil':5C,12 'devils':7C 'eid':17 'force':8C 'from':2A,15 'hell':3A,16 'metal':18 'nifelheim':4B,11 's':6C,13 'trash':19
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           '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'  1620311642.39012  (2021-05-06 16:34:02)
                             'size'  3683340