======================== unified (from filesystem) ========================
                                         'bitrate'  '223.921'
                                        'duration'  '279'
                                          'artist'  'Graveworm'
                                     'text_people'  'Lukas Flarer/Stefano Fiori'
                                         'release'  '(N)utopia'
                                           'title'  'I-The Machine'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'symphonic black metal', 'cover', 'gothic metal', 'melodic "
 "black metal', 'black metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '9'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '90'
                                             'key'  '8A'
                                        'acoustid'  'e12cfef3-2922-49bd-a40a-623eedfe861d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:Õ5\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xd55\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')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x003\x005\x003\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x008\x004\x009\x000\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x006\x003\x009\x007\x001\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x003\x005\x003\x004\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x008\x004\x009\x000\x001\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x006\x003\x009\x007\x001\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:6\x91\x9e0xÄÎK©u|iöìÇQ'  PRIV(owner='WM/WMCollectionGroupID', data=b'6\x91\x9e0x\xc4\xceK\xa9u|i\xf6\xec\xc7Q')
'PRIV:WM/WMCollectionID:6\x91\x9e0xÄÎK©u|iöìÇQ'     PRIV(owner='WM/WMCollectionID', data=b'6\x91\x9e0x\xc4\xceK\xa9u|i\xf6\xec\xc7Q')
'PRIV:WM/WMContentID:j÷»\\§ä@\x8e\x13[\x03\n\x18\x9f\x18'  PRIV(owner='WM/WMContentID', data=b'j\xc3\xb7\xbb\\\xa7\xe4@\x8e\x13[\x03\n\x18\x9f\x18')
'TALB' (Album/Movie/Show title)                     '(N)utopia'
'TBPM' (BPM (beats per minute))                     '90'
'TCOM' (Composer)                                   'Lukas Flarer/Stefano Fiori'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-01-11'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['electric bass guitar', 'Harry Klenk'], ['membranophone', 'Martin Innerbichler'], ['lead vocals', 'Stefan Fiori'], ['keyboard', 'Sabine Mair'], ['electric guitar', 'Lukas Flarer'], ['electric guitar', 'Eric Righi']])
'TIT2' (Title/songname/content description)         'I-The Machine'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Graveworm'
'TPE2' (Band/orchestra/accompaniment)               'Graveworm'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nuclear Blast'
'TRCK' (Track number/Position in set)               '1/9'
'TSO2'                                              'Graveworm'
'TSOP' (Performer sort order)                       'Graveworm'
'TXXX:ASIN'                                         'B0006TRODG'
'TXXX:Acoustid Id'                                  'e12cfef3-2922-49bd-a40a-623eedfe861d'
'TXXX:Artists'                                      'Graveworm'
'TXXX:BARCODE'                                      '0727361136529'
'TXXX:CATALOGNUMBER'                                'NB 1365-2'
'TXXX:MusicBrainz Album Artist Id'                  'ad3eb8ea-f541-4e3a-b550-7900bdc4992b'
'TXXX:MusicBrainz Album Id'                         'e7884b8c-4695-4688-b63c-f10b03207690'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ad3eb8ea-f541-4e3a-b550-7900bdc4992b'
'TXXX:MusicBrainz Release Group Id'                 '0085bd51-1f53-33d5-9af3-4a1a6dcb01ff'
'TXXX:MusicBrainz Release Track Id'                 '45006a2c-7056-3d09-913b-247b6006b2f5'
'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'                                   ['instrumental',
 'symphonic black metal',
 'cover',
 'gothic metal',
 'melodic black metal',
 'black metal']
'TXXX:mood'                                         'Not acoustic/Not relaxed/Not happy/Party/Aggressive/Electronic/Not sad'
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-2.09 dB'
'TXXX:replaygain_track_peak'                        '0.333247'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9e89ab0e-6d9b-4cb7-8806-e5e839aa6716')

========================== row from database ==========================
                                              'id'  1262031
                                            'path'  /data/Music/Bulk/00dwimp/Graveworm/(N)utopia/01 - I - the machine.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  279
                                           'genre'  eid-metal-black
                                        'filesize'  7914886
                                           'mtime'  1620301898
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 01 the machine eid metal black
                                      'tag_artist'  Graveworm
                                     'tag_release'  (N)utopia
                                       'tag_title'  I-The Machine
                                             'bpm'  90.0
                                    'search_title'  'i':1 'ithe':3 'machine':4 'the':2
                                   'search_artist'  'graveworm':1
                                  'search_release'  'n':1 'nutopia':3 'utopia':2
                                     'search_rest'  '00dwimp':1 'black':6 'eid':4 'machine':3 'metal':5 'the':2
                                    'search_combo'  '00dwimp':9 'black':14 'eid':12 'graveworm':5B 'i':1A 'ithe':3A 'machine':4A,11 'metal':13 'n':6C 'nutopia':8C 'the':2A,10 'utopia':7C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['instrumental', 'symphonic black metal', 'cover', 'gothic metal', 'melodic black metal', 'black metal']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301897.851354  (2021-05-06 13:51:37)
                             'size'  7914886