======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '154'
                                          'artist'  'Tzotziles'
                                     'text_people'  ''
                                         'release'  'Illuminated'
                                           'title'  'The Transfer of Power (Slow Chant of Authority Changing Hands)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '109.586'
                                             'key'  '1A'
                                        'acoustid'  'f6ced2dc-df66-4695-a373-5065a8727af6'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'E\x00+\x00B\x006\x00+\x002\x008\x000\x000\x00+\x00B\x001\x002\x001\x00+\x001\x001\x00B\x003\x001\x00+\x001\x006\x004\x003\x00D\x00+\x001\x007\x009\x003\x005\x00+\x001\x00B\x008\x002\x00A\x00+\x001\x00E\x006\x00F\x001\x00+\x002\x008\x005\x00B\x001\x00+\x002\x00B\x002\x00E\x00B\x00+\x002\x00D\x00E\x001\x007\x00+\x003\x000\x009\x003\x005\x00+\x003\x009\x005\x003\x00A\x00+\x003\x00C\x00B\x000\x00E\x00+\x003\x00D\x00D\x003\x000\x00\x00\x00')
'PRIV:AverageLevel:{\x08\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x08\x00\x00')
'PRIV:PeakValue:¡=\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1=\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 \x002\x009\x001\x001\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x002\x008\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x004\x001\x004\x005\x000\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x009\x001\x001\x008\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x002\x001\x002\x008\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x004\x001\x004\x005\x000\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x12\x81ÜL /ÂF¼ìØ\x0bàûhw'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x12\x81\xdcL /\xc2F\xbc\xec\xd8\x0b\xe0\xfbhw')
'PRIV:WM/WMCollectionID:\x12\x81ÜL /ÂF¼ìØ\x0bàûhw'  PRIV(owner='WM/WMCollectionID', data=b'\x12\x81\xdcL /\xc2F\xbc\xec\xd8\x0b\xe0\xfbhw')
'PRIV:WM/WMContentID:¬eã\x1fXzÏD¹Úd7.\x84(é'        PRIV(owner='WM/WMContentID', data=b'\xace\xe3\x1fXz\xcfD\xb9\xdad7.\x84(\xe9')
'TALB' (Album/Movie/Show title)                     'Illuminated'
'TBPM' (BPM (beats per minute))                     '109.586'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'The Transfer of Power (Slow Chant of Authority Changing Hands)'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tzotziles'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sub Rosa'
'TRCK' (Track number/Position in set)               '9/14'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Tzotzil'
'TXXX:Acoustid Id'                                  'f6ced2dc-df66-4695-a373-5065a8727af6'
'TXXX:Artists'                                      'Tzotziles'
'TXXX:BARCODE'                                      '5413356804928'
'TXXX:CATALOGNUMBER'                                'SUB CD 027-49'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '520f430a-8e08-48f8-892e-a6c68ac35dcb'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '34ca2f64-90f8-4108-86aa-7694750dd34a'
'TXXX:MusicBrainz Release Group Id'                 'de377430-838f-42c4-a954-984b58d6f413'
'TXXX:MusicBrainz Release Track Id'                 '91a98290-dc5d-3419-9348-5b747cbf06d3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.571876'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f5febd4f-5794-4ca9-bc0d-d9a0d59df18f')

========================== row from database ==========================
                                              'id'  475531
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Illuminated (Sub Rosa, 1996) [192k]/09.The Transfer Of Power (Tzotziles - Slow Chant Of Authority Changing Hands).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  154
                                           'genre'  loc-unsorted
                                        'filesize'  3753369
                                           'mtime'  1621629879
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad (Sub Rosa, 1996) [192k] 09.The Of (Tzotziles Of loc unsorted
                                      'tag_artist'  Tzotziles
                                     'tag_release'  Illuminated
                                       'tag_title'  The Transfer of Power (Slow Chant of Authority Changing Hands)
                                             'bpm'  109.586
                                    'search_title'  'authority':8 'changing':9 'chant':7 'hands':10,11 'of':3 'power':4 'slow':5,6 'the':1 'transfer':2
                                   'search_artist'  'tzotziles':1
                                  'search_release'  'illuminated':1
                                     'search_rest'  '09':16 '09the':18 '1':4,5,6 '192k':14,15 '1996':12,13 'loc':22 'of':19 'rosa':10,11 'sub':8,9 'the':17 'trad':7 'tzotziles':20,21 'unsorted':23 'va':1,2 'world':3
                                    'search_combo'  '09':29 '09the':31 '1':17,18,19 '192k':27,28 '1996':25,26 'authority':8A 'changing':9A 'chant':7A 'hands':10A,11A 'illuminated':13C 'loc':35 'of':3A,32 'power':4A 'rosa':23,24 'slow':5A,6A 'sub':21,22 'the':1A,30 'trad':20 'transfer':2A 'tzotziles':12B,33,34 'unsorted':36 'va':14,15 'world':16
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629878.728879  (2021-05-21 22:44:38)
                             'size'  3753369