======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '171'
                                          'artist'  'Venom'
                                     'text_people'  'Conrad Lant/Jeff Dunn/Tony Bray'
                                         'release'  'Black Metal'
                                           'title'  'Raise the Dead'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '20'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '113.389'
                                             'key'  '8A'
                                        'acoustid'  '23303cee-4c80-4254-b769-b4fa905186a2'
rest: ''

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

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'PRIV:WM/WMCollectionID:\x97\x05Û¨Ó9*D\x88"=UE EA'  PRIV(owner='WM/WMCollectionID', data=b'\x97\x05\xdb\xa8\xd39*D\x88"=UE EA')
'PRIV:WM/WMContentID:\x98\x90\x96aÚS\x1aC¡¦£e\nEçe'  PRIV(owner='WM/WMContentID', data=b'\x98\x90\x96a\xdaS\x1aC\xa1\xa6\xa3e\nE\xe7e')
'TALB' (Album/Movie/Show title)                     'Black Metal'
'TBPM' (BPM (beats per minute))                     '113.389'
'TCOM' (Composer)                                   'Conrad Lant/Jeff Dunn/Tony Bray'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '1982'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Raise the Dead'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Venom'
'TPE2' (Band/orchestra/accompaniment)               'Venom'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sanctuary Records'
'TRCK' (Track number/Position in set)               '4/20'
'TSO2'                                              'Venom'
'TSOP' (Performer sort order)                       'Venom'
'TSRC' (ISRC (international standard recording code))  'GBAJE8200118'
'TXXX:Acoustid Id'                                  '23303cee-4c80-4254-b769-b4fa905186a2'
'TXXX:BARCODE'                                      '823107300428'
'TXXX:CATALOGNUMBER'                                '82310-73004-2'
'TXXX:MusicBrainz Album Artist Id'                  'd2ad8774-9173-4970-8427-06b04df201c1'
'TXXX:MusicBrainz Album Id'                         '448318ac-2545-4a93-977f-af0ec56daded'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd2ad8774-9173-4970-8427-06b04df201c1'
'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:lastfmtags'                                   ['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-1.20 dB'
'TXXX:replaygain_track_peak'                        '0.697118'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'73cd5137-c40f-4635-92c0-57b0916b4727')

========================== row from database ==========================
                                              'id'  1390583
                                            'path'  /data/Music/Bulk/00dwimp/00metal/venom-black metal/04-Raise The Dead.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  171
                                           'genre'  eid-metal-black
                                        'filesize'  6873716
                                           'mtime'  1620301850
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal venom black metal 04 The eid metal black
                                      'tag_artist'  Venom
                                     'tag_release'  Black Metal
                                       'tag_title'  Raise the Dead
                                             'bpm'  113.389
                                    'search_title'  'dead':3 'raise':1 'the':2
                                   'search_artist'  'venom':1
                                  'search_release'  'black':1 'metal':2
                                     'search_rest'  '00dwimp':1 '00metal':2 'black':4 'eid':7 'metal':5 'the':6 'venom':3
                                    'search_combo'  '00dwimp':7 '00metal':8 'black':5C,10 'dead':3A 'eid':13 'metal':6C,11 'raise':1A 'the':2A,12 'venom':4B,9
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             '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-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['thrash metal', 'nwobhm', 'black metal', 'metal', 'heavy metal']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301849.6752708  (2021-05-06 13:50:49)
                             'size'  6873716