======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '245'
                                          'artist'  'Michael Jackson'
                                     'text_people'  'Rod Temperton'
                                         'release'  'Off the Wall'
                                           'title'  'Off the Wall'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'rock', 'pop']"
                                     'discogstags'  "['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-billboard'
                                             'bpm'  '118.984'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000A9B 00000A9D 000068EF'
'COMM:iTunNORM:eng'                                 (' 00000A9B 00000A9D 000068EF 00004AD2 0001D505 000111B5 00008000 00008000 '
 '00007547 0001ADC7')
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x006\x00B\x00A\x00D\x00+\x00A\x00C\x002\x001\x00+\x001\x000\x008\x000\x003\x00+\x001\x005\x009\x00D\x009\x00+\x001\x00A\x001\x00D\x00C\x00+\x001\x00D\x008\x000\x00D\x00+\x002\x001\x007\x00F\x002\x00+\x002\x006\x006\x00C\x001\x00+\x002\x00A\x009\x009\x005\x00+\x002\x00E\x00B\x004\x001\x00+\x002\x00F\x006\x003\x00B\x00+\x002\x00F\x00A\x002\x001\x00+\x003\x004\x00E\x009\x007\x00+\x003\x005\x007\x005\x00F\x00+\x003\x005\x00A\x005\x007\x00+\x003\x00A\x006\x007\x006\x00+\x003\x00B\x004\x00C\x000\x00+\x004\x000\x00B\x00C\x00D\x00+\x004\x002\x006\x00F\x003\x00\x00\x00')
'PRIV:AverageLevel:\x8e\x1c\x00\x00'                PRIV(owner='AverageLevel', data=b'\x8e\x1c\x00\x00')
'PRIV:PeakValue:\x88~\x00\x00'                      PRIV(owner='PeakValue', data=b'\x88~\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 \x005\x005\x007\x003\x000\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x005\x007\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x001\x003\x007\x002\x006\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x005\x007\x003\x000\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x005\x007\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x001\x003\x007\x002\x006\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ëÅ\x84]\x13-kF\x85\x00©n¡z\x9bÚ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xeb\xc5\x84]\x13-kF\x85\x00\xa9n\xa1z\x9b\xda')
'PRIV:WM/WMCollectionID:ëÅ\x84]\x13-kF\x85\x00©n¡z\x9bÚ'  PRIV(owner='WM/WMCollectionID', data=b'\xeb\xc5\x84]\x13-kF\x85\x00\xa9n\xa1z\x9b\xda')
'PRIV:WM/WMContentID:\x08\x07½E7\x0c0D\x85JÑçöÄ\x8eù'  PRIV(owner='WM/WMContentID', data=b'\x08\x07\xbdE7\x0c0D\x85J\xd1\xe7\xf6\xc4\x8e\xf9')
'TALB' (Album/Movie/Show title)                     'Off the Wall'
'TBPM' (BPM (beats per minute))                     '118.984'
'TCOM' (Composer)                                   'Rod Temperton'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Off the Wall'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '245800'
'TPE1' (Lead performer(s)/Soloist(s))               'Michael Jackson'
'TPE2' (Band/orchestra/accompaniment)               'Michael Jackson'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['80s', 'dance', 'rock', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.460530'

========================== row from database ==========================
                                              'id'  1348449
                                            'path'  /data/Music/Bulk/00poprockelectronic/Michael Jackson/Off the Wall/05 Off the Wall.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  245
                                           'genre'  rock-unsorted;set-pl-billboard
                                        'filesize'  9826074
                                           'mtime'  1621696428
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 rock unsorted;set pl billboard
                                      'tag_artist'  Michael Jackson
                                     'tag_release'  Off the Wall
                                       'tag_title'  Off the Wall
                                             'bpm'  118.984
                                    'search_title'  'off':1 'the':2 'wall':3
                                   'search_artist'  'jackson':2 'michael':1
                                  'search_release'  'off':1 'the':2 'wall':3
                                     'search_rest'  '00poprockelectronic':1 'billboard':8 'pl':7 'rock':2 'set':4,6 'unsorted':3,5
                                    'search_combo'  '00poprockelectronic':9 'billboard':16 'jackson':5B 'michael':4B 'off':1A,6C 'pl':15 'rock':10 'set':12,14 'the':2A,7C 'unsorted':11,13 'wall':3A,8C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'rock', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  ['rhythm & blues', 'disco', 'soul', 'funk', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1621696428.0921614  (2021-05-22 17:13:48)
                             'size'  9826074