======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Morris Stoloff'
                                     'text_people'  ''
                                         'release'  'Your Hit Parade: 1956'
                                           'title'  'Moonglow And Theme From "Picnic"'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', '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-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'oldies', '50s', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '013'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '97.553'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:q\x0b\x00\x00'                   PRIV(owner='AverageLevel', data=b'q\x0b\x00\x00')
'PRIV:PeakValue:ÞK\x00\x00'                         PRIV(owner='PeakValue', data=b'\xdeK\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')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x003\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x004\x009\x000\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x003\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x004\x009\x000\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:þ\x16ý\x0b%8/H\x89\x860Ý®x**'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xfe\x16\xfd\x0b%8/H\x89\x860\xdd\xaex**')
'PRIV:WM/WMCollectionID:þ\x16ý\x0b%8/H\x89\x860Ý®x**'  PRIV(owner='WM/WMCollectionID', data=b'\xfe\x16\xfd\x0b%8/H\x89\x860\xdd\xaex**')
'PRIV:WM/WMContentID:=\x9f\x02û¼=\x08G»\x03\x17M:\xadä\x01'  PRIV(owner='WM/WMContentID', data=b'=\x9f\x02\xfb\xbc=\x08G\xbb\x03\x17M:\xad\xe4\x01')
'TALB' (Album/Movie/Show title)                     'Your Hit Parade: 1956'
'TBPM' (BPM (beats per minute))                     '97.553'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'Moonglow And Theme From "Picnic"'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '172560'
'TPE1' (Lead performer(s)/Soloist(s))               'Morris Stoloff'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '013'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'oldies', '50s', 'all']
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.495719'

========================== row from database ==========================
                                              'id'  1429858
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-013 - Morris Stoloff - Moonglow And Theme From Picnic.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  prerock-unsorted
                                        'filesize'  6909355
                                           'mtime'  1621698257
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 013 prerock unsorted
                                      'tag_artist'  Morris Stoloff
                                     'tag_release'  Your Hit Parade: 1956
                                       'tag_title'  Moonglow And Theme From "Picnic"
                                             'bpm'  97.553
                                    'search_title'  'and':2 'from':4 'moonglow':1 'picnic':5 'theme':3
                                   'search_artist'  'morris':1 'stoloff':2
                                  'search_release'  '1956':5 'hit':2 'parade':3,4 'your':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6 'unsorted':7
                                    'search_combo'  '00oldiepop':17 '1956':12C 'and':2A 'country':16 'exotica':14 'from':4A 'hit':9C 'jazz':13 'moonglow':1A 'morris':6B 'oldies':15 'parade':10C,11C 'picnic':5A 'prerock':18 'stoloff':7B 'theme':3A 'unsorted':19 'your':8C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', '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'  ['soundtrack', 'oldies', '50s', 'all']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698257.157049  (2021-05-22 17:44:17)
                             'size'  6909355