======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '319'
                                          'artist'  'Kataklysm'
                                     'text_people'  ''
                                         'release'  'Prevail'
                                           'title'  'Blood in Heaven'
                                           '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-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['metal', 'melodic death metal', 'death metal', 'brutal death metal', "
 "'canadian']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '139.562'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Prevail'
'TBPM' (BPM (beats per minute))                     '139.562'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Blood in Heaven'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kataklysm'
'TPE2' (Band/orchestra/accompaniment)               'Kataklysm'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast Gmbh'
'TRCK' (Track number/Position in set)               '5'
'TXXX:GN/ExtData'                                   'GNXDWEcxAXbygKyTTE7e2B0h6z7ksWYk/xFpM9fOmB11LQEz1Kwp07V6JoyHN8XTccdT7n3gagz7pg0/hnv8BqxillKQ2UVsex+KVaxjlOcShCDY/FBDdCqJbiOH'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['metal',
 'melodic death metal',
 'death metal',
 'brutal death metal',
 'canadian']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.333089'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N45Q156371836U238CD38EF57FCFAE18CB84552E5A91D8FCBP0\x02\x05')

========================== row from database ==========================
                                              'id'  1391720
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Kataklysm/2008 Prevail/05 Blood In Heaven.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  319
                                           'genre'  eid-metal-death
                                        'filesize'  10229549
                                           'mtime'  1620302012
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2008 05 In eid metal death
                                      'tag_artist'  Kataklysm
                                     'tag_release'  Prevail
                                       'tag_title'  Blood in Heaven
                                             'bpm'  139.562
                                    'search_title'  'blood':1 'heaven':3 'in':2
                                   'search_artist'  'kataklysm':1
                                  'search_release'  'prevail':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2008':3 'death':7 'eid':5 'in':4 'metal':6
                                    'search_combo'  '00dwimp':6 '00metal':7 '2008':8 'blood':1A 'death':12 'eid':10 'heaven':3A 'in':2A,9 'kataklysm':4B 'metal':11 'prevail':5C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'melodic death metal', 'death metal', 'brutal death metal', 'canadian']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302011.810618  (2021-05-06 13:53:31)
                             'size'  10229549