======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '76'
                                          'artist'  'George S. Irving'
                                     'text_people'  'Alvin Schwartz'
                                         'release'  'Scary Stories to Tell in the Dark'
                                           'title'  'the Hearse Song'
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                     'discogstags'  "['non-music', 'audiobook', 'spoken word']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  ''
                                             'bpm'  '130.988'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:{\x08\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x08\x00\x00')
'PRIV:PeakValue:¡r\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1r\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 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00 \x00&\x00 \x00M\x00i\x00c\x00r\x00o\x00s\x00o\x00f\x00t\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x001\x008\x006\x006\x009\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x001\x001\x008\x006\x006\x009\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x06óPE\x080\x9fK¡"OââÕ´«'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x06\xf3PE\x080\x9fK\xa1"O\xe2\xe2\xd5\xb4\xab')
'PRIV:WM/WMCollectionID:\x06óPE\x080\x9fK¡"OââÕ´«'  PRIV(owner='WM/WMCollectionID', data=b'\x06\xf3PE\x080\x9fK\xa1"O\xe2\xe2\xd5\xb4\xab')
'PRIV:WM/WMContentID:í\x82C_\x1cJ&E\xadR\x98\x81«\x82yö'  PRIV(owner='WM/WMContentID', data=b'\xed\x82C_\x1cJ&E\xadR\x98\x81\xab\x82y\xf6')
'TALB' (Album/Movie/Show title)                     'Scary Stories to Tell in the Dark'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCOM' (Composer)                                   'Alvin Schwartz'
'TDOR' (Original release time)                      '1986'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'the Hearse Song'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '76240'
'TPE1' (Lead performer(s)/Soloist(s))               'George S. Irving'
'TPE2' (Band/orchestra/accompaniment)               'George S. Irving'
'TPUB' (Publisher)                                  'Caedmon'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['non-music', 'audiobook', 'spoken word']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+7.61 dB'
'TXXX:replaygain_track_peak'                        '0.888302'

========================== row from database ==========================
                                              'id'  1360751
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/04 the hearse song george s. irving.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  76
                                           'genre'  
                                        'filesize'  1830650
                                           'mtime'  1652397883
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 04 hearse song george s. irving
                                      'tag_artist'  George S. Irving
                                     'tag_release'  Scary Stories to Tell in the Dark
                                       'tag_title'  the Hearse Song
                                             'bpm'  130.988
                                    'search_title'  'hearse':2 'song':3 'the':1
                                   'search_artist'  'george':1 'irving':4 's':2,3
                                  'search_release'  'dark':7 'in':5 'scary':1 'stories':2 'tell':4 'the':6 'to':3
                                     'search_rest'  '00poprockelectronic':1 'clean':2 'george':5 'hearse':3 'irving':8 's':6,7 'song':4
                                    'search_combo'  '00poprockelectronic':15 'clean':16 'dark':14C 'george':4B,19 'hearse':2A,17 'in':12C 'irving':7B,22 's':5B,6B,20,21 'scary':8C 'song':3A,18 'stories':9C 'tell':11C 'the':1A,13C 'to':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1986
                                     'discogstags'  ['non-music', 'audiobook', 'spoken word']

============================== file details ==============================
                                           'mtime'  1652397882.8929389  (2022-05-13 01:24:42)
                             'size'  1830650