======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '305'
                                          'artist'  'Desiderii Marginis'
                                     'text_people'  'Johan Levin'
                                         'release'  'Deadbeat'
                                           'title'  "In Harm's Way"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial', 'ambient', '77davez all tracks', 'dark ambient', 'cold meat "
 "industry', 'martial industrial']")
                                     'discogstags'  "['dark ambient', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '139.8'
                                             'key'  '8B'
                                        'acoustid'  '431b2e2d-f3b3-4962-994d-45ce57e2204a'
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
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'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 \x006\x002\x003\x005\x001\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x003\x005\x004\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x009\x007\x009\x009\x007\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x002\x003\x005\x001\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x005\x003\x005\x004\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x009\x007\x009\x009\x007\x000\x00\x00\x00')
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'PRIV:WM/WMCollectionID:\x8a¨j)\x93ÿ\x8bM\x9e0\x0f·ïÕ©\x05'  PRIV(owner='WM/WMCollectionID', data=b'\x8a\xa8j)\x93\xff\x8bM\x9e0\x0f\xb7\xef\xd5\xa9\x05')
'PRIV:WM/WMContentID:˶!?r9\x00Fº\x80!\x95ç;\x7f\x82'  PRIV(owner='WM/WMContentID', data=b'\xcb\xb6!?r9\x00F\xba\x80!\x95\xe7;\x7f\x82')
'TALB' (Album/Movie/Show title)                     'Deadbeat'
'TBPM' (BPM (beats per minute))                     '139.8'
'TCOM' (Composer)                                   'Johan Levin'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-03-21'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['engineer', 'Fredrik Rydberg']])
'TIT2' (Title/songname/content description)         "In Harm's Way"
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Desiderii Marginis'
'TPE2' (Band/orchestra/accompaniment)               'Desiderii Marginis'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cold Meat Industry'
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Desiderii Marginis'
'TSOP' (Performer sort order)                       'Desiderii Marginis'
'TSRC' (ISRC (international standard recording code))  'QM6N21859743'
'TXXX:ASIN'                                         'B00005J79S'
'TXXX:Acoustid Id'                                  '431b2e2d-f3b3-4962-994d-45ce57e2204a'
'TXXX:BARCODE'                                      '718750889225'
'TXXX:CATALOGNUMBER'                                'CMI.86'
'TXXX:MusicBrainz Album Artist Id'                  '282ca70f-fe7b-4e43-84ab-1f52007947d5'
'TXXX:MusicBrainz Album Id'                         'b455cec8-1b6c-4c22-af18-93e9ad87e912'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '282ca70f-fe7b-4e43-84ab-1f52007947d5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['dark ambient', 'electronic']
'TXXX:lastfmtags'                                   ['industrial',
 'ambient',
 '77davez all tracks',
 'dark ambient',
 'cold meat industry',
 'martial industrial']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.99 dB'
'TXXX:replaygain_track_peak'                        '0.586489'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e723dd23-18a5-4c29-97e7-bb728cef1b91')

========================== row from database ==========================
                                              'id'  1303893
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Desiderii Marginis - 2000 - Dead Beat (Cold Meat Industry) [192k]/03 - In Harms Way.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  305
                                           'genre'  electronic-ambient-dark
                                        'filesize'  7342373
                                           'mtime'  1636909964
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient 2000 Beat (Cold Meat Industry) [192k] 03 Harms electronic ambient dark
                                      'tag_artist'  Desiderii Marginis
                                     'tag_release'  Deadbeat
                                       'tag_title'  In Harm's Way
                                             'bpm'  139.8
                                    'search_title'  'harm':2 'harms':4 'in':1 's':3 'way':5
                                   'search_artist'  'desiderii':1 'marginis':2
                                  'search_release'  'deadbeat':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '192k':10,11 '2000':3 'ambient':14 'beat':4 'cold':5,6 'dark':15 'electronic':13 'harms':12 'industry':8,9 'meat':7
                                    'search_combo'  '00ambient':10 '00poprockelectronic':9 '192k':18,19 '2000':11 'ambient':22 'beat':12 'cold':13,14 'dark':23 'deadbeat':8C 'desiderii':6B 'electronic':21 'harm':2A 'harms':4A,20 'in':1A 'industry':16,17 'marginis':7B 'meat':15 's':3A 'way':5A
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ambient', '77davez all tracks', 'dark ambient', 'cold meat industry', 'martial industrial']
                                        'tag_date'  2001
                                     'discogstags'  ['dark ambient', 'electronic']

============================== file details ==============================
                                           'mtime'  1636909963.5583613  (2021-11-14 18:12:43)
                             'size'  7342373