======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '279'
                                          'artist'  '1349'
                                     'text_people'  ''
                                         'release'  'Hellfire'
                                           'title'  'Nathicana'
                                           '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-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'true norwegian black metal', 'black metal', 'metal', "
 "'norwegian black metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '8'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '110'
                                             'key'  '6B'
                                        'acoustid'  'd93e6fe2-773f-4664-a9c3-2858c53c7622'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'by Tagroth Witchlover for http://tagroth.nnm.ru'
'COMM:ID3v1 Comment:XXX'                            'by Tagroth Witchlover for ht'
'TALB' (Album/Movie/Show title)                     'Hellfire'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-10-24'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Kjartan Hesthagen'], ['producer', '1349'], ['producer', 'Ravn'], ['bass guitar', 'Seidemann'], ['membranophone', 'Frost'], ['lead vocals', 'Ravn'], ['guitar', 'Archaon'], ['guitar', 'Tjalve']])
'TIT2' (Title/songname/content description)         'Nathicana'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '1349'
'TPE2' (Band/orchestra/accompaniment)               '1349'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Candlelight Records'
'TRCK' (Track number/Position in set)               '2/8'
'TSO2'                                              '1349'
'TSOP' (Performer sort order)                       '1349'
'TXXX:ASIN'                                         'B00080CP78'
'TXXX:Acoustid Id'                                  'd93e6fe2-773f-4664-a9c3-2858c53c7622'
'TXXX:Artists'                                      '1349'
'TXXX:BARCODE'                                      '803341181328'
'TXXX:CATALOGNUMBER'                                'Candle114CD'
'TXXX:MusicBrainz Album Artist Id'                  '2aa07e57-bd8a-4fa0-ba5a-72e8f7c3e63e'
'TXXX:MusicBrainz Album Id'                         'e9df961a-bd22-4021-bccd-86c6f22c4293'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '2aa07e57-bd8a-4fa0-ba5a-72e8f7c3e63e'
'TXXX:MusicBrainz Release Group Id'                 'fad5a9a8-798e-3e24-9500-39602845d92a'
'TXXX:MusicBrainz Release Track Id'                 '5f26ad05-6e10-34f1-ab64-39c920bcd2f2'
'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'
'TXXX:lastfmtags'                                   ['norwegian',
 'true norwegian black metal',
 'black metal',
 'metal',
 'norwegian black metal']
'TXXX:originalyear'                                 '2005'
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.41 dB'
'TXXX:replaygain_track_peak'                        '0.360638'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cd20eb0d-94ca-457e-8d09-196f54b76faa')

========================== row from database ==========================
                                              'id'  1390997
                                            'path'  /data/Music/Bulk/00dwimp/00metal/00black/1349 - [2005] - hellfire [candlelight records]/02 - 1349 - Nathicana.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  279
                                           'genre'  eid-metal-black
                                        'filesize'  11245015
                                           'mtime'  1620301244
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 00black [2005] hellfire [candlelight records] 02 eid metal black
                                      'tag_artist'  1349
                                     'tag_release'  Hellfire
                                       'tag_title'  Nathicana
                                             'bpm'  110.0
                                    'search_title'  'nathicana':1
                                   'search_artist'  '1349':1
                                  'search_release'  'hellfire':1
                                     'search_rest'  '00black':3 '00dwimp':1 '00metal':2 '2005':4,5 'black':13 'candlelight':7,8 'eid':11 'hellfire':6 'metal':12 'records':9,10
                                    'search_combo'  '00black':6 '00dwimp':4 '00metal':5 '1349':2B '2005':7,8 'black':16 'candlelight':10,11 'eid':14 'hellfire':3C,9 'metal':15 'nathicana':1A 'records':12,13
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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-2', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'true norwegian black metal', 'black metal', 'metal', 'norwegian black metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301243.792965  (2021-05-06 13:40:43)
                             'size'  11245015