======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '138'
                                          'artist'  'Charlie Gracie'
                                     'text_people'  ''
                                         'release'  'All The Hits By All The Stars Vol. 1'
                                           'title'  'Fabulous'
                                           '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-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock and roll', '50s rock n roll', 'rhythm and blues', 'rockabilly', "
 "'oldies']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '138'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.508'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:C\x12\x00\x00'                   PRIV(owner='AverageLevel', data=b'C\x12\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\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 \x005\x008\x002\x003\x009\x009\x00;\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x008\x002\x003\x009\x009\x00;\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:g\\Ë\x89hvÅ@\xa0\x018\x8cêf"&'  PRIV(owner='WM/WMCollectionGroupID', data=b'g\\\xcb\x89hv\xc5@\xa0\x018\x8c\xeaf"&')
'PRIV:WM/WMCollectionID:g\\Ë\x89hvÅ@\xa0\x018\x8cêf"&'  PRIV(owner='WM/WMCollectionID', data=b'g\\\xcb\x89hv\xc5@\xa0\x018\x8c\xeaf"&')
'PRIV:WM/WMContentID:\x84|&à[{@C\x99oßx\x9ev&Ä'     PRIV(owner='WM/WMContentID', data=b'\x84|&\xe0[{@C\x99o\xdfx\x9ev&\xc4')
'TALB' (Album/Movie/Show title)                     'All The Hits By All The Stars Vol. 1'
'TBPM' (BPM (beats per minute))                     '142.508'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'Fabulous'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '138960'
'TPE1' (Lead performer(s)/Soloist(s))               'Charlie Gracie'
'TPUB' (Publisher)                                  'Parkway'
'TRCK' (Track number/Position in set)               '138'
'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'                                   ['rock and roll', '50s rock n roll', 'rhythm and blues', 'rockabilly', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '+2.64 dB'
'TXXX:replaygain_track_peak'                        '0.418710'

========================== row from database ==========================
                                              'id'  1428703
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-138 - Charlie Gracie - Fabulous.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  138
                                           'genre'  prerock-unsorted
                                        'filesize'  5560514
                                           'mtime'  1621698318
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 138 prerock unsorted
                                      'tag_artist'  Charlie Gracie
                                     'tag_release'  All The Hits By All The Stars Vol. 1
                                       'tag_title'  Fabulous
                                             'bpm'  142.508
                                    'search_title'  'fabulous':1
                                   'search_artist'  'charlie':1 'gracie':2
                                  'search_release'  '1':8 'all':1 'by':4 'hits':3 'stars':5 'the':2 'vol':6,7
                                     'search_rest'  '00oldiepop':5 '138':7 '1957':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':16 '1':11C '138':18 '1957':17 'all':4C 'by':7C 'charlie':2B 'country':15 'exotica':13 'fabulous':1A 'gracie':3B 'hits':6C 'jazz':12 'oldies':14 'prerock':19 'stars':8C 'the':5C 'unsorted':20 'vol':9C,10C
                                    'tag_tracknum'  138
                                      '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-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', '50s rock n roll', 'rhythm and blues', 'rockabilly', 'oldies']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698318.0045195  (2021-05-22 17:45:18)
                             'size'  5560514