======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '317'
                                          'artist'  'Darkest Hour'
                                     'text_people'  'Darkest Hour'
                                         'release'  'Hidden Hands of a Sadist Nation [Bonus CD]'
                                           'title'  'The Patriot Virus'
                                           '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-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'metalcore', 'hardcore', 'melodic death metal', 'metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '132'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x14\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x14\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\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 \x006\x009\x009\x002\x007\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x006\x006\x000\x006\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x001\x001\x008\x002\x001\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x009\x009\x002\x007\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x003\x006\x006\x000\x006\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x001\x001\x008\x002\x001\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:o¦\x03Ñt\x9a¹K\x9a·ûà¸ñáä'  PRIV(owner='WM/WMCollectionGroupID', data=b'o\xa6\x03\xd1t\x9a\xb9K\x9a\xb7\xfb\xe0\xb8\xf1\xe1\xe4')
'PRIV:WM/WMCollectionID:o¦\x03Ñt\x9a¹K\x9a·ûà¸ñáä'  PRIV(owner='WM/WMCollectionID', data=b'o\xa6\x03\xd1t\x9a\xb9K\x9a\xb7\xfb\xe0\xb8\xf1\xe1\xe4')
'PRIV:WM/WMContentID:\x13Ï®*ùl\x91B¹Nxib\x8f\xadÌ'  PRIV(owner='WM/WMContentID', data=b'\x13\xcf\xae*\xf9l\x91B\xb9Nxib\x8f\xad\xcc')
'TALB' (Album/Movie/Show title)                     'Hidden Hands of a Sadist Nation [Bonus CD]'
'TBPM' (BPM (beats per minute))                     '132'
'TCOM' (Composer)                                   'Darkest Hour'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'The Patriot Virus'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Darkest Hour'
'TPE2' (Band/orchestra/accompaniment)               'Darkest Hour'
'TPUB' (Publisher)                                  'Victory'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Delete'                                       'The Patriot Virus'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental', 'metalcore', 'hardcore', 'melodic death metal', 'metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.27 dB'
'TXXX:replaygain_track_peak'                        '0.372049'

========================== row from database ==========================
                                              'id'  1295625
                                            'path'  /data/Music/Bulk/00poprockelectronic/Darkest Hour/Hidden Hands of a Sadist Nation [Bonus CD]/Darkest Hour-Hidden Hands of a Sadist Nation [Bonus CD]-The Patriot Virus.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  317
                                           'genre'  eid-metal-death
                                        'filesize'  12707716
                                           'mtime'  1620302144
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic eid metal death
                                      'tag_artist'  Darkest Hour
                                     'tag_release'  Hidden Hands of a Sadist Nation [Bonus CD]
                                       'tag_title'  The Patriot Virus
                                             'bpm'  132.0
                                    'search_title'  'patriot':2 'the':1 'virus':3
                                   'search_artist'  'darkest':1 'hour':2
                                  'search_release'  'a':4 'bonus':7,8 'cd':9,10 'hands':2 'hidden':1 'nation':6 'of':3 'sadist':5
                                     'search_rest'  '00poprockelectronic':1 'death':4 'eid':2 'metal':3
                                    'search_combo'  '00poprockelectronic':16 'a':9C 'bonus':12C,13C 'cd':14C,15C 'darkest':4B 'death':19 'eid':17 'hands':7C 'hidden':6C 'hour':5B 'metal':18 'nation':11C 'of':8C 'patriot':2A 'sadist':10C 'the':1A 'virus':3A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['instrumental', 'metalcore', 'hardcore', 'melodic death metal', 'metal']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620302144.2577195  (2021-05-06 13:55:44)
                             'size'  12707716