======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '164'
                                          'artist'  'Eels'
                                     'text_people'  'E'
                                         'release'  'Rotten World Blues [EP]'
                                           'title'  'Rotten World Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '84.2'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         ['0',
 ' 000038DA 0000275E 0001261A 00017B25 00007FF5 00007FF5 0000935E 00009B91 '
 '0001FB3E 0000FE7D',
 ' 00000000 00000210 00000A5C 00000000006EE314 00000000 0028329D 00000000 '
 '00000000 00000000 00000000 00000000 00000000']
'COMM:iTunes_CDDB_IDs:eng'                          '4+328F3E128C99DE68524A5AB814B2544E+1846887'
'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\x009\x001\x000\x002\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\x004\x001\x005\x006\x008\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x005\x009\x001\x000\x002\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\x004\x001\x005\x006\x008\x007\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:]cŶuléK¬'á5C\x91?\x10"  PRIV(owner='WM/WMCollectionGroupID', data=b"]c\xc5\xb6ul\xe9K\xac'\xe15C\x91?\x10")
'PRIV:WM/WMCollectionID:\x06½ô\x91\x18wþJ¦æk²pH}µ'  PRIV(owner='WM/WMCollectionID', data=b'\x06\xbd\xf4\x91\x18w\xfeJ\xa6\xe6k\xb2pH}\xb5')
'PRIV:WM/WMContentID:\x80î@áI`\xadI§ª #zÒd.'        PRIV(owner='WM/WMContentID', data=b'\x80\xee@\xe1I`\xadI\xa7\xaa #z\xd2d.')
'TALB' (Album/Movie/Show title)                     'Rotten World Blues [EP]'
'TBPM' (BPM (beats per minute))                     '84.2'
'TCOM' (Composer)                                   'E'
'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)         'Rotten World Blues'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Eels'
'TPE2' (Band/orchestra/accompaniment)               'Eels'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dreamworks'
'TRCK' (Track number/Position in set)               '4'
'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:lastfmtags'                                   ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.78 dB'
'TXXX:replaygain_track_peak'                        '0.376655'

========================== row from database ==========================
                                              'id'  1381137
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Eels - Rotten World Blues [EP]/04 Rotten World Blues.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  164
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2639974
                                           'mtime'  1621697376
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 04 ifs songwriter indie rock
                                      'tag_artist'  Eels
                                     'tag_release'  Rotten World Blues [EP]
                                       'tag_title'  Rotten World Blues
                                             'bpm'  84.2
                                    'search_title'  'blues':3 'rotten':1 'world':2
                                   'search_artist'  'eels':1
                                  'search_release'  'blues':3 'ep':4,5 'rotten':1 'world':2
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':10 'blues':3A,7C 'eels':4B 'ep':8C,9C 'ifs':13 'indie':15 'indierock':12 'poprock':11 'rock':16 'rotten':1A,5C 'songwriter':14 'world':2A,6C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'singer songwriter', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697376.0448895  (2021-05-22 17:29:36)
                             'size'  2639974