======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '475'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Plaguewielder'
                                           'title'  'Weakling Avenger'
                                           '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-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '121.4'
                                             'key'  '1A'
                                        'acoustid'  '7c28ebf8-dbfd-4d30-9273-db99b31a98da'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Plaguewielder'
'TBPM' (BPM (beats per minute))                     '121.4'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-09-10'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Darkthrone'], ['engineer', 'Dag Stokke']])
'TIT2' (Title/songname/content description)         'Weakling Avenger'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkthrone'
'TPE2' (Band/orchestra/accompaniment)               'Darkthrone'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Moonfog Productions'
'TRCK' (Track number/Position in set)               '1/6'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
'TXXX:Acoustid Id'                                  '7c28ebf8-dbfd-4d30-9273-db99b31a98da'
'TXXX:BARCODE'                                      '4029758355626'
'TXXX:CATALOGNUMBER'                                'FOG 028'
'TXXX:MusicBrainz Album Artist Id'                  'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'TXXX:MusicBrainz Album Id'                         'a00d18db-6a11-42a3-8be7-154fec03d87f'
'TXXX:MusicBrainz Album Release Country'            'NO'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'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'                                   ['norway',
 'black metal',
 'metal',
 'norwegian black metal',
 'blackened punk rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.426683'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0f251588-9702-48d1-ab66-8ee839379ef6')
'USLT::eng'                                         ('Weakling avenger\r\n'
 'on grains of drain\r\n'
 'Life\r\n'
 'wielding ultimate death\r\n'
 '\r\n'
 'Bombastic necrohell\r\n'
 'Seeping in bitterly\r\n'
 'Masked beast temporarily\r\n'
 'revealing sick fear\r\n'
 '\r\n'
 'Templates broken\r\n'
 'Membranes burst\r\n'
 'Sordid spilling wound\r\n'
 'Spineless locust embrace\r\n'
 '\r\n'
 'Infertile foggy renderings\r\n'
 'Failure\r\n'
 'Sucked into the sorrowhole\r\n'
 'Brutally avenging nothing')

========================== row from database ==========================
                                              'id'  1396724
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkthrone - 2001 - Plaguewielder/01 Weakling Avenger.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  475
                                           'genre'  eid-metal-black
                                        'filesize'  19186414
                                           'mtime'  1620301552
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2001 01 eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Plaguewielder
                                       'tag_title'  Weakling Avenger
                                             'bpm'  121.4
                                    'search_title'  'avenger':2 'weakling':1
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'plaguewielder':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2001':3 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00dwimp':5 '00metal':6 '2001':7 'avenger':2A 'black':10 'darkthrone':3B 'eid':8 'metal':9 'plaguewielder':4C 'weakling':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301551.9447417  (2021-05-06 13:45:51)
                             'size'  19186414