======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '236'
                                          'artist'  'Akercocke'
                                     'text_people'  ''
                                         'release'  'Words That Go Unspoken, Deeds That Go Undone'
                                           'title'  'Intractable'
                                           '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['progressive death metal', 'black metal', 'death metal', 'blackened death "
 "metal', 'progressive metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '125.238'
                                             'key'  '1A'
                                        'acoustid'  '6c4d4c9c-1f12-4105-aee0-9fb8675242ea'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Words That Go Unspoken, Deeds That Go Undone'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006-02-07'
'TIT2' (Title/songname/content description)         'Intractable'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akercocke'
'TPE2' (Band/orchestra/accompaniment)               'Akercocke'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Earache Records'
'TRCK' (Track number/Position in set)               '7/10'
'TSO2'                                              'Akercocke'
'TSOP' (Performer sort order)                       'Akercocke'
'TXXX:Acoustid Id'                                  '6c4d4c9c-1f12-4105-aee0-9fb8675242ea'
'TXXX:BARCODE'                                      '745316322124'
'TXXX:CATALOGNUMBER'                                'MOSH 3221CD'
'TXXX:MusicBrainz Album Artist Id'                  'fc1abced-ff90-4a42-9998-2e18cceef041'
'TXXX:MusicBrainz Album Id'                         '82aa4a27-e6e1-4c81-a734-d9420381dd6f'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fc1abced-ff90-4a42-9998-2e18cceef041'
'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:QuodLibet::area'                              'UK'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Tool Name'                                    'Media Center'
'TXXX:Tool Version'                                 '21.0.90'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['progressive death metal',
 'black metal',
 'death metal',
 'blackened death metal',
 'progressive metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.26 dB'
'TXXX:replaygain_track_peak'                        '0.366284'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ebc947aa-8acc-48cc-8ab2-fcf4a749eee8')

========================== row from database ==========================
                                              'id'  1394283
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00black/Akercocke - Words That Go Unspoken, Deeds That Go Undone/07 - Intractable.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  236
                                           'genre'  eid-metal-black
                                        'filesize'  9496736
                                           'mtime'  1620301334
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00black 07 eid metal black
                                      'tag_artist'  Akercocke
                                     'tag_release'  Words That Go Unspoken, Deeds That Go Undone
                                       'tag_title'  Intractable
                                             'bpm'  125.238
                                    'search_title'  'intractable':1
                                   'search_artist'  'akercocke':1
                                  'search_release'  'deeds':6 'go':3 'that':2 'undone':7 'unspoken':4,5 'words':1
                                     'search_rest'  '00black':3 '00dwimp':1 '00metal':2 'black':6 'eid':4 'metal':5
                                    'search_combo'  '00black':12 '00dwimp':10 '00metal':11 'akercocke':2B 'black':15 'deeds':8C 'eid':13 'go':5C 'intractable':1A 'metal':14 'that':4C 'undone':9C 'unspoken':6C,7C 'words':3C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['progressive death metal', 'black metal', 'death metal', 'blackened death metal', 'progressive metal']
                                        'tag_date'  2006
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301334.216079  (2021-05-06 13:42:14)
                             'size'  9496736