======================== unified (from filesystem) ========================
                                         'bitrate'  '320.049'
                                        'duration'  '337'
                                          'artist'  'Enslaved'
                                     'text_people'  'Ivar Peersen/Per Husebø'
                                         'release'  'Below the Lights'
                                           'title'  'The Dead Stare'
                                           '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-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['norwegian', 'progressive black metal', 'black metal', 'viking metal', "
 "'progressive metal']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-black'
                                             'bpm'  '87.7'
                                             'key'  '1A'
                                        'acoustid'  'b59cf88e-441c-48ae-9fc0-75c5ca3eb414'
rest: ''

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

'COMM::spa'                                         'LP'
'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x007\x004\x006\x00D\x00+\x00D\x007\x003\x00A\x00+\x001\x007\x008\x00F\x001\x00+\x001\x00E\x002\x002\x00B\x00+\x002\x004\x004\x006\x009\x00+\x002\x00B\x003\x006\x001\x00+\x003\x002\x00E\x00F\x00A\x00\x00\x00')
'PRIV:AverageLevel:\x9f\x1c\x00\x00'                PRIV(owner='AverageLevel', data=b'\x9f\x1c\x00\x00')
'PRIV:PeakValue:mj\x00\x00'                         PRIV(owner='PeakValue', data=b'mj\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 \x002\x001\x007\x000\x004\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x003\x004\x006\x003\x005\x001\x003\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x002\x001\x007\x000\x004\x006\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x007\x006\x000\x007\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x002\x003\x004\x006\x003\x005\x001\x003\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x92©ô8\x0f\x9c¡G´\x01~\x081\x94CØ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x92\xa9\xf48\x0f\x9c\xa1G\xb4\x01~\x081\x94C\xd8')
'PRIV:WM/WMCollectionID:\x92©ô8\x0f\x9c¡G´\x01~\x081\x94CØ'  PRIV(owner='WM/WMCollectionID', data=b'\x92\xa9\xf48\x0f\x9c\xa1G\xb4\x01~\x081\x94C\xd8')
'PRIV:WM/WMContentID:es\x0c\x1a|\x99©@¢\x04`\x8bN`\x19\xa0'  PRIV(owner='WM/WMContentID', data=b'es\x0c\x1a|\x99\xa9@\xa2\x04`\x8bN`\x19\xa0')
'TALB' (Album/Movie/Show title)                     'Below the Lights'
'TBPM' (BPM (beats per minute))                     '87.7'
'TCOM' (Composer)                                   'Ivar Peersen/Per Husebø'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-black'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-05-05'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Grutle Kjellson'], ['producer', 'Pytten'], ['producer', 'Jørgen Træen'], ['producer', 'Ivar Bjørnson'], ['engineer', 'Davide Bertolini'], ['engineer', 'Pytten'], ['engineer', 'Herbrand Larsen'], ['bass guitar', 'Grutle Kjellson'], ['guitar', 'Arve Isdal'], ['guitar and keyboard', 'Ivar Bjørnson'], ['vocal', 'Grutle Kjellson'], ['membranophone', 'Dirge Rep']])
'TIT2' (Title/songname/content description)         'The Dead Stare'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '337000'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Enslaved'
'TPE2' (Band/orchestra/accompaniment)               'Enslaved'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Osmose Productions'
'TRCK' (Track number/Position in set)               '2/7'
'TSO2'                                              'Enslaved'
'TSOP' (Performer sort order)                       'Enslaved'
'TXXX:Acoustid Id'                                  'b59cf88e-441c-48ae-9fc0-75c5ca3eb414'
'TXXX:CATALOGNUMBER'                                'OPLP 144'
'TXXX:MusicBrainz Album Artist Id'                  '29bb04d6-5602-464c-8577-f55a27511b27'
'TXXX:MusicBrainz Album Id'                         '28b28d90-3add-3983-9865-c613852ec029'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '29bb04d6-5602-464c-8577-f55a27511b27'
'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',
 'progressive black metal',
 'black metal',
 'viking metal',
 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.19 dB'
'TXXX:replaygain_track_peak'                        '0.415418'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e6e8d7ad-7ec1-4424-bc82-67b1fe07dca2')

========================== row from database ==========================
                                              'id'  1393378
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Enslaved - 07 - below the lights/02.The Dead Stare.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  337
                                           'genre'  eid-metal-black
                                        'filesize'  13498039
                                           'mtime'  1620301664
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 07 below lights 02.The eid metal black
                                      'tag_artist'  Enslaved
                                     'tag_release'  Below the Lights
                                       'tag_title'  The Dead Stare
                                             'bpm'  87.7
                                    'search_title'  'dead':2 'stare':3 'the':1
                                   'search_artist'  'enslaved':1
                                  'search_release'  'below':1 'lights':3 'the':2
                                     'search_rest'  '00dwimp':1 '00metal':2 '02':5 '02the':7 'below':3 'black':10 'eid':8 'lights':4 'metal':9 'the':6
                                    'search_combo'  '00dwimp':8 '00metal':9 '02':12 '02the':14 'below':5C,10 'black':17 'dead':2A 'eid':15 'enslaved':4B 'lights':7C,11 'metal':16 'stare':3A 'the':1A,6C,13
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['norwegian', 'progressive black metal', 'black metal', 'viking metal', 'progressive metal']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301664.0153291  (2021-05-06 13:47:44)
                             'size'  13498039