======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  "Old Man's Child"
                                     'text_people'  ''
                                         'release'  'Ill-Natured Spiritual Invasion'
                                           'title'  'Demoniacal Possession'
                                           '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-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', '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'  '3'
                                      'tracktotal'  '8'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '100.2'
                                             'key'  '1A'
                                        'acoustid'  '97fbb0fa-8d2d-40ce-8b46-0d853b753c94'
rest: ''

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

'PRIV:AverageLevel:E\x1c\x00\x00'                   PRIV(owner='AverageLevel', data=b'E\x1c\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Ill-Natured Spiritual Invasion'
'TBPM' (BPM (beats per minute))                     '100.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '2006-08-21'
'TIT2' (Title/songname/content description)         'Demoniacal Possession'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Old Man's Child"
'TPE2' (Band/orchestra/accompaniment)               "Old Man's Child"
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '3/8'
'TSO2'                                              "Old Man's Child"
'TSOP' (Performer sort order)                       "Old Man's Child"
'TXXX:Acoustid Id'                                  '97fbb0fa-8d2d-40ce-8b46-0d853b753c94'
'TXXX:MusicBrainz Album Artist Id'                  '02fc3032-e491-46b8-8742-9859e4906dcc'
'TXXX:MusicBrainz Album Id'                         '575d8857-c9f5-3d4c-a126-99cec967e5d4'
'TXXX:MusicBrainz Album Release Country'            'CA'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '02fc3032-e491-46b8-8742-9859e4906dcc'
'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'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'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'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.467135'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4e52c870-c777-4f28-8993-17627930005d')

========================== row from database ==========================
                                              'id'  1532403
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Old Man_s Child/Ill-natured spiritual invasion [1998]/Old Man_s Child -03- Demoniacal Possession.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  eid-metal-black
                                        'filesize'  3363876
                                           'mtime'  1620301748
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Man_s natured spiritual invasion [1998] Man_s 03 eid metal black
                                      'tag_artist'  Old Man's Child
                                     'tag_release'  Ill-Natured Spiritual Invasion
                                       'tag_title'  Demoniacal Possession
                                             'bpm'  100.2
                                    'search_title'  'demoniacal':1 'possession':2
                                   'search_artist'  'child':5 'man':2 'mans':4 'old':1 's':3
                                  'search_release'  'ill':1 'illnatured':3 'invasion':5 'natured':2 'spiritual':4
                                     'search_rest'  '00dwimp':1 '00metal':2 '1998':8,9 'black':12 'eid':10 'invasion':7 'man':3 'metal':11 'natured':5 's':4 'spiritual':6
                                    'search_combo'  '00dwimp':13 '00metal':14 '1998':20,21 'black':24 'child':7B 'demoniacal':1A 'eid':22 'ill':8C 'illnatured':10C 'invasion':12C,19 'man':4B,15 'mans':6B 'metal':23 'natured':9C,17 'old':3B 'possession':2A 's':5B,16 'spiritual':11C,18
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['melodic black metal', 'symphonic black metal', 'black metal', 'metal', 'norwegian']
                                        'tag_date'  2006
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301747.6862304  (2021-05-06 13:49:07)
                             'size'  3363876