======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '284'
                                          'artist'  'Nattefrost'
                                     'text_people'  'Nattefrost'
                                         'release'  'Blood & Vomit'
                                           'title'  'The Gate of Nanna'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'true norwegian black metal', 'black metal', 'black n roll', "
 "'norwegian black metal']")
                                     'discogstags'  "['black metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '145.7'
                                             'key'  '10A'
                                        'acoustid'  '61991aa1-ac0f-44b5-b511-f8e0cf71e6df'
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
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'PRIV:WM/WMCollectionID:,Ñ{Ð\x96$\x94H©~«G\x91Óùb'  PRIV(owner='WM/WMCollectionID', data=b',\xd1{\xd0\x96$\x94H\xa9~\xabG\x91\xd3\xf9b')
'PRIV:WM/WMContentID:;zºx©¤ÜM\x9dB»\x90\x82¨)/'     PRIV(owner='WM/WMContentID', data=b';z\xbax\xa9\xa4\xdcM\x9dB\xbb\x90\x82\xa8)/')
'TALB' (Album/Movie/Show title)                     'Blood & Vomit'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCOM' (Composer)                                   'Nattefrost'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'The Gate of Nanna'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Nattefrost'
'TPE2' (Band/orchestra/accompaniment)               'Nattefrost'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Season of Mist'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Nattefrost'
'TSOP' (Performer sort order)                       'Nattefrost'
'TSRC' (ISRC (international standard recording code))  'FR33T0308710'
'TXXX:ASIN'                                         'B0001JZOWE'
'TXXX:Acoustid Id'                                  '61991aa1-ac0f-44b5-b511-f8e0cf71e6df'
'TXXX:BARCODE'                                      '822603108729'
'TXXX:CATALOGNUMBER'                                'SOM 087'
'TXXX:MusicBrainz Album Artist Id'                  '5449a5d0-fa1c-488a-a584-6052f99722e2'
'TXXX:MusicBrainz Album Id'                         '6c3177e8-64e1-4674-aaa1-cbe19786bd7e'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5449a5d0-fa1c-488a-a584-6052f99722e2'
'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'                                   ['norwegian',
 'true norwegian black metal',
 'black metal',
 'black n roll',
 'norwegian black metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.216520'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'999c5031-ab8c-4258-b88e-c6ef67f54c94')

========================== row from database ==========================
                                              'id'  1401795
                                            'path'  /data/Music/Bulk/00dwimp/00metal/nattefrost - blood & vomit (2004)/10 nattefrost - the gate of nanna (beherit - cover).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  284
                                           'genre'  eid-metal-black
                                        'filesize'  6852191
                                           'mtime'  1620301838
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal nattefrost blood vomit (2004) 10 nattefrost the gate nanna (beherit cover) eid metal black
                                      'tag_artist'  Nattefrost
                                     'tag_release'  Blood & Vomit
                                       'tag_title'  The Gate of Nanna
                                             'bpm'  145.7
                                    'search_title'  'gate':2 'nanna':4 'of':3 'the':1
                                   'search_artist'  'nattefrost':1
                                  'search_release'  'blood':1 'vomit':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '2004':6,7 'beherit':11,12 'black':17 'blood':4 'cover':13,14 'eid':15 'gate':9 'metal':16 'nanna':10 'nattefrost':3 'the':8 'vomit':5
                                    'search_combo'  '00dwimp':8 '00metal':9 '2004':13,14 'beherit':18,19 'black':24 'blood':6C,11 'cover':20,21 'eid':22 'gate':2A,16 'metal':23 'nanna':4A,17 'nattefrost':5B,10 'of':3A 'the':1A,15 'vomit':7C,12
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'true norwegian black metal', 'black metal', 'black n roll', 'norwegian black metal']
                                        'tag_date'  2004
                                     'discogstags'  ['black metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620301838.1325622  (2021-05-06 13:50:38)
                             'size'  6852191