======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '225'
                                          'artist'  'Clutch'
                                     'text_people'  ''
                                         'release'  'Pure Rock Fury'
                                           'title'  'Open Up the Border'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['stoner', 'pure rock fury', 'rock', 'stoner rock', 'alt metal', 'hard rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '142.508'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Track 3'
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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')
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'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x002\x002\x003\x001\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x004\x005\x001\x001\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x005\x008\x005\x001\x006\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x002\x002\x003\x001\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x004\x005\x001\x001\x008\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x005\x008\x005\x001\x006\x004\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:\x9aÚ\x12'5?\x00I\xa0v\x10~Ö\n2\x9a"  PRIV(owner='WM/WMCollectionGroupID', data=b"\x9a\xda\x12'5?\x00I\xa0v\x10~\xd6\n2\x9a")
"PRIV:WM/WMCollectionID:\x9aÚ\x12'5?\x00I\xa0v\x10~Ö\n2\x9a"  PRIV(owner='WM/WMCollectionID', data=b"\x9a\xda\x12'5?\x00I\xa0v\x10~\xd6\n2\x9a")
'PRIV:WM/WMContentID:|·%{B©%C\x8eÄCd)5kh'           PRIV(owner='WM/WMContentID', data=b'|\xb7%{B\xa9%C\x8e\xc4Cd)5kh')
'TALB' (Album/Movie/Show title)                     'Pure Rock Fury'
'TBPM' (BPM (beats per minute))                     '142.508'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Open Up the Border'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clutch'
'TPE2' (Band/orchestra/accompaniment)               'Clutch'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['stoner', 'pure rock fury', 'rock', 'stoner rock', 'alt metal', 'hard rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.18 dB'
'TXXX:replaygain_track_peak'                        '0.289322'

========================== row from database ==========================
                                              'id'  1418402
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Clutch - Pure Rock Fury/03 Open Up the Border.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  225
                                           'genre'  rock-unsorted
                                        'filesize'  5414392
                                           'mtime'  1620388134
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 03 rock unsorted
                                      'tag_artist'  Clutch
                                     'tag_release'  Pure Rock Fury
                                       'tag_title'  Open Up the Border
                                             'bpm'  142.508
                                    'search_title'  'border':4 'open':1 'the':3 'up':2
                                   'search_artist'  'clutch':1
                                  'search_release'  'fury':3 'pure':1 'rock':2
                                     'search_rest'  'hiphop':1 'rap':2 'rnb':3 'rock':5 'turntablism':4 'unsorted':6
                                    'search_combo'  'border':4A 'clutch':5B 'fury':8C 'hiphop':9 'open':1A 'pure':6C 'rap':10 'rnb':11 'rock':7C,13 'the':3A 'turntablism':12 'unsorted':14 'up':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['stoner', 'pure rock fury', 'rock', 'stoner rock', 'alt metal', 'hard rock']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620388133.8560681  (2021-05-07 13:48:53)
                             'size'  5414392