======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '241'
                                          'artist'  'Todd Rundgren'
                                     'text_people'  'Todd Rundgren'
                                         'release'  'A Wizard, A True Star'
                                           'title'  'Is It My Name?'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']"
                                     'discogstags'  "['electronic', 'rock', 'synth-pop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1973'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '143.7'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x003\x002\x007\x000\x00+\x004\x00E\x003\x009\x00+\x006\x003\x00F\x008\x00+\x007\x006\x002\x00F\x00+\x008\x00A\x002\x002\x00+\x009\x00D\x005\x008\x00+\x00A\x00F\x00D\x004\x00+\x00D\x00D\x002\x00C\x00+\x001\x003\x00F\x008\x005\x00+\x001\x006\x009\x00A\x009\x00+\x001\x00B\x000\x00C\x006\x00+\x001\x00D\x000\x000\x006\x00+\x002\x001\x00A\x00F\x004\x00+\x002\x003\x005\x00A\x00A\x00+\x002\x00E\x00F\x009\x00C\x00+\x003\x001\x008\x002\x008\x00+\x003\x003\x00A\x004\x007\x00+\x003\x008\x001\x000\x003\x00+\x003\x00D\x008\x008\x00A\x00\x00\x00')
'PRIV:AverageLevel:~\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'~\x13\x00\x00')
'PRIV:PeakValue:\x1en\x00\x00'                      PRIV(owner='PeakValue', data=b'\x1en\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 \x00 \x001\x007\x000\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x003\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x001\x005\x002\x004\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x001\x007\x000\x009\x003\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x003\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x004\x001\x005\x002\x004\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87\\P×\x13lÝB\x8eû+6l²;ù'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87\\P\xd7\x13l\xddB\x8e\xfb+6l\xb2;\xf9')
'PRIV:WM/WMCollectionID:\x87\\P×\x13lÝB\x8eû+6l²;ù'  PRIV(owner='WM/WMCollectionID', data=b'\x87\\P\xd7\x13l\xddB\x8e\xfb+6l\xb2;\xf9')
'PRIV:WM/WMContentID:Éy\x8fõ\x18%$A¥?ç\x0e\x0eoOÆ'  PRIV(owner='WM/WMContentID', data=b'\xc9y\x8f\xf5\x18%$A\xa5?\xe7\x0e\x0eoO\xc6')
'TALB' (Album/Movie/Show title)                     'A Wizard, A True Star'
'TBPM' (BPM (beats per minute))                     '143.7'
'TCOM' (Composer)                                   'Todd Rundgren'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1973'
'TIT2' (Title/songname/content description)         'Is It My Name?'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '241440'
'TPE1' (Lead performer(s)/Soloist(s))               'Todd Rundgren'
'TPE2' (Band/orchestra/accompaniment)               'Todd Rundgren'
'TPUB' (Publisher)                                  'Get Back'
'TRCK' (Track number/Position in set)               '18'
'TSOA' (Album sort order)                           '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'synth-pop', 'experimental']
'TXXX:lastfmtags'                                   ['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '-0.41 dB'
'TXXX:replaygain_track_peak'                        '0.510172'

========================== row from database ==========================
                                              'id'  1414778
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Todd Rundgren - A Wizard, A True Star/18 Is It My Name_.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  241
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  9850165
                                           'mtime'  1620737220
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 18 Name_ rock cppex psychedelic
                                      'tag_artist'  Todd Rundgren
                                     'tag_release'  A Wizard, A True Star
                                       'tag_title'  Is It My Name?
                                             'bpm'  143.7
                                    'search_title'  'is':1 'it':2 'my':3 'name':4
                                   'search_artist'  'rundgren':2 'todd':1
                                  'search_release'  'a':1 'star':5 'true':4 'wizard':2,3
                                     'search_rest'  '18':2 'classicprogpsy':1 'cppex':5 'name':3 'psychedelic':6 'rock':4
                                    'search_combo'  '18':13 'a':7C 'classicprogpsy':12 'cppex':16 'is':1A 'it':2A 'my':3A 'name':4A,14 'psychedelic':17 'rock':15 'rundgren':6B 'star':11C 'todd':5B 'true':10C 'wizard':8C,9C
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', '70s', 'power pop', 'rock', 'progressive rock', 'classic rock']
                                        'tag_date'  1973
                                     'discogstags'  ['electronic', 'rock', 'synth-pop', 'experimental']

============================== file details ==============================
                                           'mtime'  1620737220.3716989  (2021-05-11 14:47:00)
                             'size'  9850165