======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '201'
                                          'artist'  'Linkin Park'
                                     'text_people'  'Linkin Park'
                                         'release'  'Meteora'
                                           'title'  'Figure.09'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['rock', 'nu metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '98'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0e\x00\x00')
'PRIV:PeakValue:!4\x00\x00'                         PRIV(owner='PeakValue', data=b'!4\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\x003\x001\x000\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x004\x007\x000\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x001\x006\x006\x005\x003\x009\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x003\x001\x000\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x004\x004\x007\x000\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x001\x006\x006\x005\x003\x009\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x8e\x93\x19è§î\x97@\x89W\x84Á÷êÿñ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8e\x93\x19\xe8\xa7\xee\x97@\x89W\x84\xc1\xf7\xea\xff\xf1')
'PRIV:WM/WMCollectionID:\x8e\x93\x19è§î\x97@\x89W\x84Á÷êÿñ'  PRIV(owner='WM/WMCollectionID', data=b'\x8e\x93\x19\xe8\xa7\xee\x97@\x89W\x84\xc1\xf7\xea\xff\xf1')
'PRIV:WM/WMContentID:RQ\x13\x11«.^I¢¸i]Çè<þ'        PRIV(owner='WM/WMContentID', data=b'RQ\x13\x11\xab.^I\xa2\xb8i]\xc7\xe8<\xfe')
'TALB' (Album/Movie/Show title)                     'Meteora'
'TBPM' (BPM (beats per minute))                     '98'
'TCOM' (Composer)                                   'Linkin Park'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Figure.09'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '201626'
'TPE1' (Lead performer(s)/Soloist(s))               'Linkin Park'
'TPE2' (Band/orchestra/accompaniment)               'Linkin Park'
'TPUB' (Publisher)                                  'Warner Bros.'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'nu metal']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.350699'

========================== row from database ==========================
                                              'id'  1293127
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Meteora/08 Figure.09.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  201
                                           'genre'  eid-metal-nu
                                        'filesize'  4835194
                                           'mtime'  1620311143
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 eid metal nu
                                      'tag_artist'  Linkin Park
                                     'tag_release'  Meteora
                                       'tag_title'  Figure.09
                                             'bpm'  98.0
                                    'search_title'  '09':2 'figure':1 'figure09':3
                                   'search_artist'  'linkin':1 'park':2
                                  'search_release'  'meteora':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3 'nu':4
                                    'search_combo'  '00poprockelectronic':7 '09':2A 'eid':8 'figure':1A 'figure09':3A 'linkin':4B 'metal':9 'meteora':6C 'nu':10 'park':5B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'nu metal']

============================== file details ==============================
                                           'mtime'  1620311143.2557368  (2021-05-06 16:25:43)
                             'size'  4835194