======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '161'
                                          'artist'  'The Black Keys'
                                     'text_people'  'Ray Davies'
                                         'release'  'Rubber Factory'
                                           'title'  'Act Nice And Gentle'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'indie', 'blues', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '145.163'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '13+6D879D623ADCEDF6B630A54F7'
'COMM:iTunes_CDDB_IDs:eng'                          '13+6D879D623ADCEDF6B630A54F7C34AA66+4400653'
'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 \x007\x000\x005\x000\x006\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x002\x007\x008\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x001\x007\x008\x002\x001\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x000\x005\x000\x006\x008\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x005\x002\x007\x008\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x001\x007\x008\x002\x001\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:s<ýðVÅÀO¬\x18xLX%\x8bê'  PRIV(owner='WM/WMCollectionGroupID', data=b's<\xfd\xf0V\xc5\xc0O\xac\x18xLX%\x8b\xea')
'PRIV:WM/WMCollectionID:s<ýðVÅÀO¬\x18xLX%\x8bê'     PRIV(owner='WM/WMCollectionID', data=b's<\xfd\xf0V\xc5\xc0O\xac\x18xLX%\x8b\xea')
'PRIV:WM/WMContentID:büí¯\x1ertM¼ô\x96Ýq×Aõ'        PRIV(owner='WM/WMContentID', data=b'b\xfc\xed\xaf\x1ertM\xbc\xf4\x96\xddq\xd7A\xf5')
'TALB' (Album/Movie/Show title)                     'Rubber Factory'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCOM' (Composer)                                   'Ray Davies'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v4.6.0.15'
'TIT2' (Title/songname/content description)         'Act Nice And Gentle'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Black Keys'
'TPE2' (Band/orchestra/accompaniment)               'The Black Keys'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fat Possum'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.349097'

========================== row from database ==========================
                                              'id'  1370258
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/The Black Keys/Rubber Factory/10 act nice and gentle.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  161
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  3888627
                                           'mtime'  1637330336
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 10 nice and gentle ifs songwriter indie rock
                                      'tag_artist'  The Black Keys
                                     'tag_release'  Rubber Factory
                                       'tag_title'  Act Nice And Gentle
                                             'bpm'  145.163
                                    'search_title'  'act':1 'and':3 'gentle':4 'nice':2
                                   'search_artist'  'black':2 'keys':3 'the':1
                                  'search_release'  'factory':2 'rubber':1
                                     'search_rest'  '00poprockelectronic':1 'and':5 'gentle':6 'ifs':7 'indie':9 'indierock':3 'nice':4 'poprock':2 'rock':10 'songwriter':8
                                    'search_combo'  '00poprockelectronic':10 'act':1A 'and':3A,14 'black':6B 'factory':9C 'gentle':4A,15 'ifs':16 'indie':18 'indierock':12 'keys':7B 'nice':2A,13 'poprock':11 'rock':19 'rubber':8C 'songwriter':17 'the':5B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'indie', 'blues', 'indie rock', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330335.773756  (2021-11-19 14:58:55)
                             'size'  3888627