======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '224'
                                          'artist'  'Darkthrone'
                                     'text_people'  ''
                                         'release'  'Hate Them'
                                           'title'  'Fucked Up and Ready to Die'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', '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'  ("['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk "
 "rock']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '7'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '100.755'
                                             'key'  '6A'
                                        'acoustid'  'c78c45ce-3502-4eda-961c-aaa80958291d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hate Them'
'TBPM' (BPM (beats per minute))                     '100.755'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-03-17'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Darkthrone'], ['engineer', 'Lars Klokkerhaug']])
'TIT2' (Title/songname/content description)         'Fucked Up and Ready to Die'
'TKEY' (Initial key)                                '6A'
'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)               '3/7'
'TSO2'                                              'Darkthrone'
'TSOP' (Performer sort order)                       'Darkthrone'
'TXXX:Acoustid Id'                                  'c78c45ce-3502-4eda-961c-aaa80958291d'
'TXXX:BARCODE'                                      '7090005591323'
'TXXX:CATALOGNUMBER'                                'FOG 032'
'TXXX:MusicBrainz Album Artist Id'                  'af8fd97c-db72-4e30-b2aa-30ebd0c4f1a0'
'TXXX:MusicBrainz Album Id'                         '244bfb1c-b38d-330a-a3b8-73a40d046687'
'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'                                       '4'
'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'                        '-1.45 dB'
'TXXX:replaygain_track_peak'                        '0.395911'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1a309ddf-65d8-43de-bd09-a83b29b8ecb1')

========================== row from database ==========================
                                              'id'  1397440
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Darkthrone - 2003 - Hate Them/03 Fucked up and ready to die.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  224
                                           'genre'  eid-metal-black
                                        'filesize'  5566961
                                           'mtime'  1620301565
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2003 03 up ready die eid metal black
                                      'tag_artist'  Darkthrone
                                     'tag_release'  Hate Them
                                       'tag_title'  Fucked Up and Ready to Die
                                             'bpm'  100.755
                                    'search_title'  'and':3 'die':6 'fucked':1 'ready':4 'to':5 'up':2
                                   'search_artist'  'darkthrone':1
                                  'search_release'  'hate':1 'them':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '2003':3 'black':9 'die':6 'eid':7 'metal':8 'ready':5 'up':4
                                    'search_combo'  '00dwimp':10 '00metal':11 '2003':12 'and':3A 'black':18 'darkthrone':7B 'die':6A,15 'eid':16 'fucked':1A 'hate':8C 'metal':17 'ready':4A,14 'them':9C 'to':5A 'up':2A,13
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           '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-4', 'q-grit-4']
                                      'lastfmtags'  ['norway', 'black metal', 'metal', 'norwegian black metal', 'blackened punk rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301564.662586  (2021-05-06 13:46:04)
                             'size'  5566961