======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '104'
                                          'artist'  'Summoning'
                                     'text_people'  ''
                                         'release'  'Lugburz'
                                           'title'  'Grey Heavens'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['symphonic black metal', 'black metal', 'atmospheric black metal', 'metal', "
 "'epic black metal']")
                                     'discogstags'  "['rock', 'black metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '11'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '117.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lugburz'
'TBPM' (BPM (beats per minute))                     '117.5'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-03-20'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['guest other vocals vocal', 'Pazuzu'], ['bass guitar and keyboard', 'Silenius'], ['drums (drum set)', 'Trifixion of the Horned King'], ['electric guitar and keyboard', 'Protector'], ['lead vocals vocal', 'Silenius'], ['lead vocals vocal', 'Protector']])
'TIT2' (Title/songname/content description)         'Grey Heavens'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Summoning'
'TPE2' (Band/orchestra/accompaniment)               'Summoning'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Napalm Records'
'TRCK' (Track number/Position in set)               '1/11'
'TSO2'                                              'Summoning'
'TSOP' (Performer sort order)                       'Summoning'
'TXXX:ASIN'                                         'B00000AXJW'
'TXXX:BARCODE'                                      '4001617238028'
'TXXX:CATALOGNUMBER'                                'NPR 010'
'TXXX:MusicBrainz Album Artist Id'                  '8363f94f-fd86-41b8-a56b-26eacb34f499'
'TXXX:MusicBrainz Album Id'                         'eb893c42-d911-44ab-9fda-bc7321e384ed'
'TXXX:MusicBrainz Album Release Country'            'AT'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8363f94f-fd86-41b8-a56b-26eacb34f499'
'TXXX:MusicBrainz TRM Id'                           '9ebd2ea6-3205-4d8c-8146-a344f3e6d2bb'
'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'                                  ['rock', 'black metal']
'TXXX:lastfmtags'                                   ['symphonic black metal',
 'black metal',
 'atmospheric black metal',
 'metal',
 'epic black metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'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'                        '-0.78 dB'
'TXXX:replaygain_track_peak'                        '0.670886'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'122bd6ff-e82a-4c79-bc74-10954e4d283d')

========================== row from database ==========================
                                              'id'  1391516
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Summoning (1995) - Lugburz/Summoning - Lugburz - 01 - Grey Heavens.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  104
                                           'genre'  eid-metal-black
                                        'filesize'  2515987
                                           'mtime'  1620301791
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal (1995) 01 eid metal black
                                      'tag_artist'  Summoning
                                     'tag_release'  Lugburz
                                       'tag_title'  Grey Heavens
                                             'bpm'  117.5
                                    'search_title'  'grey':1 'heavens':2
                                   'search_artist'  'summoning':1
                                  'search_release'  'lugburz':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '1995':3,4 'black':7 'eid':5 'metal':6
                                    'search_combo'  '00dwimp':5 '00metal':6 '1995':7,8 'black':11 'eid':9 'grey':1A 'heavens':2A 'lugburz':4C 'metal':10 'summoning':3B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  3A
                                           '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-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-1', 'q-bass-1', 'q-grit-4']
                                      'lastfmtags'  ['symphonic black metal', 'black metal', 'atmospheric black metal', 'metal', 'epic black metal']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'black metal']

============================== file details ==============================
                                           'mtime'  1620301790.6316934  (2021-05-06 13:49:50)
                             'size'  2515987