======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '338'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Plaguewielder'
                                           'title'  'I, Voidhanger'
                                           '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-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'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'  '5'
                                      'tracktotal'  '6'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '145.6'
                                             'key'  '10A'
                                        'acoustid'  '14d5875e-8344-43ca-beb8-47ce2e07040a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Plaguewielder'
'TBPM' (BPM (beats per minute))                     '145.6'
'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)         'I, Voidhanger'
'TKEY' (Initial key)                                '10A'
'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)               '5/6'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
'TXXX:Acoustid Id'                                  '14d5875e-8344-43ca-beb8-47ce2e07040a'
'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'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.427651'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a45ba0b1-2aa3-403b-ae2c-cf7b2c5c54f3')
'USLT::eng'                                         ('Dreary bitter soulsets\r\n'
 'Life runs painfully gray down the walls of time\r\n'
 'Clenching onto the void\r\n'
 'Laming intense shivering terror\r\n'
 '\r\n'
 'Evilution of the mind\r\n'
 'Severe plunging lightning\r\n'
 'Cracking, trembling, reeling\r\n'
 'The world left behind\r\n'
 '\r\n'
 'Beast hovering greedily\r\n'
 'Waiting (insanely) to do me in\r\n'
 'Struggling exhausted to the cold paramounts\r\n'
 'Sliding down the razorblade of life\r\n'
 '\r\n'
 'Evilution of the mind\r\n'
 'Severe plunging lightning\r\n'
 'Cracking, trembling, reeling\r\n'
 'The world leaves you blind')

========================== row from database ==========================
                                              'id'  1400164
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkthrone - 2001 - Plaguewielder/05 I, Voidhanger.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  338
                                           'genre'  eid-metal-black
                                        'filesize'  13710393
                                           'mtime'  1620301557
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2001 05 eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Plaguewielder
                                       'tag_title'  I, Voidhanger
                                             'bpm'  145.6
                                    'search_title'  'i':1,2 'voidhanger':3
                                   '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':6 '00metal':7 '2001':8 'black':11 'darkthrone':4B 'eid':9 'i':1A,2A 'metal':10 'plaguewielder':5C 'voidhanger':3A
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', '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'  1620301557.2061496  (2021-05-06 13:45:57)
                             'size'  13710393