======================== unified (from filesystem) ========================
                                         'bitrate'  '231.968'
                                        'duration'  '223'
                                          'artist'  'Deadlock'
                                     'text_people'  ''
                                         'release'  'Wolves'
                                           'title'  'As Words To Bullets'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['female fronted metal', 'german', 'metal', 'death metal', 'metalcore', "
 "'melodic death metal']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-death'
                                             'bpm'  '110'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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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')
'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 \x001\x000\x003\x002\x000\x004\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x001\x001\x006\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x002\x000\x005\x004\x002\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x001\x000\x003\x002\x000\x004\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x001\x001\x006\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x002\x000\x005\x004\x002\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x91i¢b\x91\n\x16C¾SÇÐ\x97\x18P\x88'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x91i\xa2b\x91\n\x16C\xbeS\xc7\xd0\x97\x18P\x88')
'PRIV:WM/WMCollectionID:\x91i¢b\x91\n\x16C¾SÇÐ\x97\x18P\x88'  PRIV(owner='WM/WMCollectionID', data=b'\x91i\xa2b\x91\n\x16C\xbeS\xc7\xd0\x97\x18P\x88')
'PRIV:WM/WMContentID:o\x92/\x97àu\rF\x98Ñ\x82£\x88BmX'  PRIV(owner='WM/WMContentID', data=b'o\x92/\x97\xe0u\rF\x98\xd1\x82\xa3\x88BmX')
'TALB' (Album/Movie/Show title)                     'Wolves'
'TBPM' (BPM (beats per minute))                     '110'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-death'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'As Words To Bullets'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Deadlock'
'TPE2' (Band/orchestra/accompaniment)               'Deadlock'
'TPUB' (Publisher)                                  'Lifeforce'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['female fronted metal',
 'german',
 'metal',
 'death metal',
 'metalcore',
 'melodic death metal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.339142'

========================== row from database ==========================
                                              'id'  1400625
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Deadlock/Wolves/Deadlock-Wolves-As Words To Bullets.mp3
                                         'working'  None
                                         'bitrate'  232
                                    'duration_sec'  223
                                           'genre'  eid-metal-death
                                        'filesize'  6496589
                                           'mtime'  1620301892
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal eid metal death
                                      'tag_artist'  Deadlock
                                     'tag_release'  Wolves
                                       'tag_title'  As Words To Bullets
                                             'bpm'  110.0
                                    'search_title'  'as':1 'bullets':4 'to':3 'words':2
                                   'search_artist'  'deadlock':1
                                  'search_release'  'wolves':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'death':5 'eid':3 'metal':4
                                    'search_combo'  '00dwimp':7 '00metal':8 'as':1A 'bullets':4A 'deadlock':5B 'death':11 'eid':9 'metal':10 'to':3A 'wolves':6C 'words':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['female fronted metal', 'german', 'metal', 'death metal', 'metalcore', 'melodic death metal']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620301891.7926373  (2021-05-06 13:51:31)
                             'size'  6496589