======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Kataklysm'
                                     'text_people'  'Kataklysm'
                                         'release'  'Shadows & Dust'
                                           'title'  'Bound in chains'
                                           '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'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'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '145.895'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shadows & Dust'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCOM' (Composer)                                   'Kataklysm'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'FreeRIP 2.942'
'TIT2' (Title/songname/content description)         'Bound in chains'
'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'
'TRCK' (Track number/Position in set)               '5'
'TXXX:GN/ExtData'                                   'GNXDWEcxATsIFvxyEN8OLzpm6ooPQRnDLYVZEIS9ndsFIfg0T3PUDTMf0RqgOIW+sMnPybV6nGGH/JeeFTuqqkL9F8rw6eEXXCAvx3g9SUUhNXBd563fJXPoKflxqkuxKWg4YZnxBJd5Vd5VZN4='
'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'                                       '2'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.71 dB'
'TXXX:replaygain_track_peak'                        '0.314763'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N56R33439764U478859693EE6E07670BDC94D634B86284EEP1')

========================== row from database ==========================
                                              'id'  1398062
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Kataklysm/2002 Shadows & Dust/Kataklysm - shadows & dust 05 - Bound In Chains.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  eid-metal-death
                                        'filesize'  8168216
                                           'mtime'  1620302006
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 2002 shadows dust 05 In Chains eid metal death
                                      'tag_artist'  Kataklysm
                                     'tag_release'  Shadows & Dust
                                       'tag_title'  Bound in chains
                                             'bpm'  145.895
                                    'search_title'  'bound':1 'chains':3 'in':2
                                   'search_artist'  'kataklysm':1
                                  'search_release'  'dust':2 'shadows':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '2002':3 'chains':7 'death':10 'dust':5 'eid':8 'in':6 'metal':9 'shadows':4
                                    'search_combo'  '00dwimp':7 '00metal':8 '2002':9 'bound':1A 'chains':3A,13 'death':16 'dust':6C,11 'eid':14 'in':2A,12 'kataklysm':4B 'metal':15 'shadows':5C,10
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  10A
                                           '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-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['metal', 'melodic death metal', 'death metal', 'brutal death metal', 'canadian']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302005.7387986  (2021-05-06 13:53:25)
                             'size'  8168216