======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '148'
                                          'artist'  'Eels'
                                     'text_people'  'Eels'
                                         'release'  'Souljacker'
                                           'title'  'What Is This Note?'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '118.497'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 ' 00001B6A 00001AFB 00007BF7 00007F1F 0000ABA1 0000B672 00008D0D 00008EA9 '
 '00007A72 00010172',
 ' 00000000 00000210 00000B04 000000000063906C 00000000 00241730 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunes_CDDB_IDs:eng'                          '12+FE77F9280D0C67A61E92F8F78D8C9EA4+1573383'
'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\x001\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x008\x002\x005\x000\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x002\x007\x009\x000\x001\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\x001\x003\x007\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x008\x002\x005\x000\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x002\x007\x009\x000\x001\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x87\x0f¯\x03«!3B\x96½\x16ïíÉ\x0e?'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x87\x0f\xaf\x03\xab!3B\x96\xbd\x16\xef\xed\xc9\x0e?')
'PRIV:WM/WMCollectionID:\x87\x0f¯\x03«!3B\x96½\x16ïíÉ\x0e?'  PRIV(owner='WM/WMCollectionID', data=b'\x87\x0f\xaf\x03\xab!3B\x96\xbd\x16\xef\xed\xc9\x0e?')
'PRIV:WM/WMContentID:\x9aµ÷«ï$æC®ñ*\x8ddO«\x9a'     PRIV(owner='WM/WMContentID', data=b'\x9a\xb5\xf7\xab\xef$\xe6C\xae\xf1*\x8ddO\xab\x9a')
'TALB' (Album/Movie/Show title)                     'Souljacker'
'TBPM' (BPM (beats per minute))                     '118.497'
'TCOM' (Composer)                                   'Eels'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes v7.0.2.16'
'TIT2' (Title/songname/content description)         'What Is This Note?'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eels'
'TPE2' (Band/orchestra/accompaniment)               'Eels'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Polygram International'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.391109'

========================== row from database ==========================
                                              'id'  1365249
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Eels - Souljacker/12 What Is This Note_.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  148
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2370809
                                           'mtime'  1621697354
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 12 Note_ ifs songwriter indie rock
                                      'tag_artist'  Eels
                                     'tag_release'  Souljacker
                                       'tag_title'  What Is This Note?
                                             'bpm'  118.497
                                    'search_title'  'is':2 'note':4 'this':3 'what':1
                                   'search_artist'  'eels':1
                                  'search_release'  'souljacker':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':5 'indie':7 'indierock':3 'note':4 'poprock':2 'rock':8 'songwriter':6
                                    'search_combo'  '00poprockelectronic':7 'eels':5B 'ifs':11 'indie':13 'indierock':9 'is':2A 'note':4A,10 'poprock':8 'rock':14 'songwriter':12 'souljacker':6C 'this':3A 'what':1A
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1621697354.2642493  (2021-05-22 17:29:14)
                             'size'  2370809