======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '124'
                                          'artist'  'Dion & the Belmonts'
                                     'text_people'  'Stanley Lebowsky'
                                         'release'  'Their Best'
                                           'title'  'Every Little Thing I Do'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', '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'  "['rockabilly', 'doo wop', '60s', '50s', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '132.271'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-291 POS 48'
'COMM:ID3v1 Comment:XXX'                            '59-291 POS 48'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x002\x00F\x000\x00A\x00+\x005\x008\x00D\x009\x00+\x008\x006\x00D\x005\x00+\x00B\x005\x006\x00A\x00+\x00E\x002\x004\x00F\x00+\x001\x001\x000\x008\x002\x00+\x001\x003\x009\x008\x00B\x00+\x001\x005\x00E\x002\x00F\x00+\x001\x008\x00F\x00B\x002\x00+\x001\x00B\x00A\x002\x00D\x00+\x001\x00E\x005\x00D\x009\x00+\x002\x001\x004\x008\x00C\x00+\x002\x004\x003\x000\x008\x00+\x002\x006\x00C\x004\x00B\x00+\x002\x009\x004\x003\x00C\x00+\x002\x00C\x005\x003\x003\x00+\x002\x00E\x00C\x009\x00A\x00+\x003\x001\x004\x007\x007\x00+\x003\x004\x000\x00F\x005\x00+\x003\x006\x00B\x00F\x00A\x00\x00\x00')
'PRIV:AverageLevel:Î\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xce\x12\x00\x00')
'PRIV:PeakValue:\x08W\x00\x00'                      PRIV(owner='PeakValue', data=b'\x08W\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 \x00 \x00 \x005\x008\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x001\x000\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x000\x008\x007\x000\x008\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x00 \x005\x008\x005\x004\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x004\x001\x000\x000\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x000\x008\x007\x000\x008\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\r\x9fJ\r¢´ÿA\x96ä¥\x05´\x02{\t'  PRIV(owner='WM/WMCollectionGroupID', data=b'\r\x9fJ\r\xa2\xb4\xffA\x96\xe4\xa5\x05\xb4\x02{\t')
'PRIV:WM/WMCollectionID:\r\x9fJ\r¢´ÿA\x96ä¥\x05´\x02{\t'  PRIV(owner='WM/WMCollectionID', data=b'\r\x9fJ\r\xa2\xb4\xffA\x96\xe4\xa5\x05\xb4\x02{\t')
'PRIV:WM/WMContentID:\x1bWÊýÛþkN\x90É!\x81%É\x07Ö'  PRIV(owner='WM/WMContentID', data=b'\x1bW\xca\xfd\xdb\xfekN\x90\xc9!\x81%\xc9\x07\xd6')
'TALB' (Album/Movie/Show title)                     'Their Best'
'TBPM' (BPM (beats per minute))                     '132.271'
'TCOM' (Composer)                                   'Stanley Lebowsky'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Every Little Thing I Do'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '125066'
'TPE1' (Lead performer(s)/Soloist(s))               'Dion & The Belmonts'
'TPE2' (Band/orchestra/accompaniment)               'Dion & the Belmonts'
'TPUB' (Publisher)                                  'Laurie'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['rockabilly', 'doo wop', '60s', '50s', 'oldies']
'TXXX:q-bass'                                       '2'
'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'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.478628'

========================== row from database ==========================
                                              'id'  1444561
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-291 - Dion & The Belmonts - Every Little Thing I Do.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  124
                                           'genre'  prerock-unsorted
                                        'filesize'  5001980
                                           'mtime'  1621698411
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 291 prerock unsorted
                                      'tag_artist'  Dion & the Belmonts
                                     'tag_release'  Their Best
                                       'tag_title'  Every Little Thing I Do
                                             'bpm'  132.271
                                    'search_title'  'do':5 'every':1 'i':4 'little':2 'thing':3
                                   'search_artist'  'belmonts':3 'dion':1 'the':2
                                  'search_release'  'best':2 'their':1
                                     'search_rest'  '00oldiepop':5 '1959':6 '291':8 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':15 '1959':16 '291':18 '59':17 'belmonts':8B 'best':10C 'country':14 'dion':6B 'do':5A 'every':1A 'exotica':12 'i':4A 'jazz':11 'little':2A 'oldies':13 'prerock':19 'the':7B 'their':9C 'thing':3A 'unsorted':20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['rockabilly', 'doo wop', '60s', '50s', 'oldies']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698410.9252677  (2021-05-22 17:46:50)
                             'size'  5001980