======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '200'
                                          'artist'  'Peggy Lee'
                                     'text_people'  ''
                                         'release'  "Your Hit Parade: The Late '50s"
                                           'title'  'Mr. Wonderful'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '101'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '110.603'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:PeakValue:òR\x00\x00'                         PRIV(owner='PeakValue', data=b'\xf2R\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')
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'PRIV:WM/WMCollectionGroupID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionGroupID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMCollectionID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMContentID:k\x0ey\x11/\x0e\x8bI\x8bÃõ^õß\x10Ä'  PRIV(owner='WM/WMContentID', data=b'k\x0ey\x11/\x0e\x8bI\x8b\xc3\xf5^\xf5\xdf\x10\xc4')
'TALB' (Album/Movie/Show title)                     "Your Hit Parade: The Late '50s"
'TBPM' (BPM (beats per minute))                     '110.603'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Mr. Wonderful'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '200933'
'TPE1' (Lead performer(s)/Soloist(s))               'Peggy Lee'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '101'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.775857'

========================== row from database ==========================
                                              'id'  1433832
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-101 - Peggy Lee - Mr. Wonderful.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  200
                                           'genre'  prerock-swing
                                        'filesize'  8041059
                                           'mtime'  1620562567
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 101 prerock swing
                                      'tag_artist'  Peggy Lee
                                     'tag_release'  Your Hit Parade: The Late '50s
                                       'tag_title'  Mr. Wonderful
                                             'bpm'  110.603
                                    'search_title'  'mr':1,2 'wonderful':3
                                   'search_artist'  'lee':2 'peggy':1
                                  'search_release'  '50s':7,8 'hit':2 'late':6 'parade':3,4 'the':5 'your':1
                                     'search_rest'  '00oldiepop':5 '101':7 '1956':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'swing':9
                                    'search_combo'  '00oldiepop':18 '101':20 '1956':19 '50s':12C,13C 'country':17 'exotica':15 'hit':7C 'jazz':14 'late':11C 'lee':5B 'mr':1A,2A 'oldies':16 'parade':8C,9C 'peggy':4B 'prerock':21 'swing':22 'the':10C 'wonderful':3A 'your':6C
                                    'tag_tracknum'  101
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'oldies', 'swing']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562566.6888165  (2021-05-09 14:16:06)
                             'size'  8041059