======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '380'
                                          'artist'  'Dimmu Borgir'
                                     'text_people'  ''
                                         'release'  'For all tid'
                                           'title'  'Den gjemte sannhets hersker'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['melodic black metal', 'symphonic black metal', 'black metal', 'metal', "
 "'norwegian']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '11'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '142.207'
                                             'key'  '9A'
                                        'acoustid'  '1ff2a16c-99d1-491f-87e6-2cc3fe9c6e60'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'For all tid'
'TBPM' (BPM (beats per minute))                     '142.207'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Den gjemte sannhets hersker'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dimmu Borgir'
'TPE2' (Band/orchestra/accompaniment)               'Dimmu Borgir'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast/Nuclear Blast'
'TRCK' (Track number/Position in set)               '9/11'
'TSO2'                                              'Dimmu Borgir'
'TSOP' (Performer sort order)                       'Dimmu Borgir'
'TSRC' (ISRC (international standard recording code))  'DED839738309'
'TXXX:Acoustid Id'                                  '1ff2a16c-99d1-491f-87e6-2cc3fe9c6e60'
'TXXX:BARCODE'                                      '727361627928'
'TXXX:CATALOGNUMBER'                                '27361 62792/NB 279-2'
'TXXX:MusicBrainz Album Artist Id'                  '17167af8-c1da-45cc-bba2-9d23f068b7a3'
'TXXX:MusicBrainz Album Id'                         '8c09cd4e-dab2-4c43-9b47-3f2bbee9cf9b'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '17167af8-c1da-45cc-bba2-9d23f068b7a3'
'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'                                   ['melodic black metal',
 'symphonic black metal',
 'black metal',
 'metal',
 'norwegian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.494345'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6206e7ba-5317-43ba-81cd-e94f86dbadb5')

========================== row from database ==========================
                                              'id'  1401262
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Dimmu Borgir/For All Tid/09 - Den Gjemte Sannhets Hersker.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  380
                                           'genre'  eid-metal-black
                                        'filesize'  12169277
                                           'mtime'  1620301623
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal All Tid 09 Gjemte Sannhets Hersker eid metal black
                                      'tag_artist'  Dimmu Borgir
                                     'tag_release'  For all tid
                                       'tag_title'  Den gjemte sannhets hersker
                                             'bpm'  142.207
                                    'search_title'  'den':1 'gjemte':2 'hersker':4 'sannhets':3
                                   'search_artist'  'borgir':2 'dimmu':1
                                  'search_release'  'all':2 'for':1 'tid':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'all':3 'black':10 'eid':8 'gjemte':5 'hersker':7 'metal':9 'sannhets':6 'tid':4
                                    'search_combo'  '00dwimp':10 '00metal':11 'all':8C,12 'black':19 'borgir':6B 'den':1A 'dimmu':5B 'eid':17 'for':7C 'gjemte':2A,14 'hersker':4A,16 'metal':18 'sannhets':3A,15 'tid':9C,13
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  9A
                                           '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-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['melodic black metal', 'symphonic black metal', 'black metal', 'metal', 'norwegian']
                                        'tag_date'  2000
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301622.617186  (2021-05-06 13:47:02)
                             'size'  12169277