======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Cannibal Corpse'
                                     'text_people'  ''
                                         'release'  'Kill'
                                           'title'  'Necrosadistic Warning'
                                           '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-4', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']"
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '117.671'
                                             'key'  '1A'
                                        'acoustid'  'ae976c5e-b2b6-4b75-b783-b0e68e4b698a'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'www.heavytorrents.org'
'TALB' (Album/Movie/Show title)                     'Kill'
'TBPM' (BPM (beats per minute))                     '117.671'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Necrosadistic Warning'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Cannibal Corpse'
'TPE2' (Band/orchestra/accompaniment)               'Cannibal Corpse'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Stomp'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Cannibal Corpse'
'TSOP' (Performer sort order)                       'Cannibal Corpse'
'TXXX:Acoustid Id'                                  'ae976c5e-b2b6-4b75-b783-b0e68e4b698a'
'TXXX:BARCODE'                                      '9328082009324'
'TXXX:CATALOGNUMBER'                                'MB011CD'
'TXXX:MusicBrainz Album Artist Id'                  'af8e4cc5-ef54-458d-a194-7b210acf638f'
'TXXX:MusicBrainz Album Id'                         'f58af3ba-6d62-3cd4-8b5b-e289a4b9ca42'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'af8e4cc5-ef54-458d-a194-7b210acf638f'
'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'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.307331'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'78f5811f-c082-401a-bf75-58806c73ce2a')

========================== row from database ==========================
                                              'id'  1400913
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00death/Cannibal Corpse - Kill/04 Necrosadistic Warning.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  eid-metal-death
                                        'filesize'  8343450
                                           'mtime'  1620301677
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00death 04 eid metal death
                                      'tag_artist'  Cannibal Corpse
                                     'tag_release'  Kill
                                       'tag_title'  Necrosadistic Warning
                                             'bpm'  117.671
                                    'search_title'  'necrosadistic':1 'warning':2
                                   'search_artist'  'cannibal':1 'corpse':2
                                  'search_release'  'kill':1
                                     'search_rest'  '00death':3 '00dwimp':1 '00metal':2 'death':6 'eid':4 'metal':5
                                    'search_combo'  '00death':8 '00dwimp':6 '00metal':7 'cannibal':3B 'corpse':4B 'death':11 'eid':9 'kill':5C 'metal':10 'necrosadistic':1A 'warning':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             '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-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'grindcore', 'american', 'death metal', 'brutal death metal']
                                        'tag_date'  2006
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301676.6034741  (2021-05-06 13:47:56)
                             'size'  8343450