======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '157'
                                          'artist'  'Ray Price'
                                     'text_people'  ''
                                         'release'  "Classic Country: Honky Tonkin' 1952-1957 Disc 2"
                                           'title'  'My Shoes Keep Walking Back To You'
                                           '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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'honky tonk', '60s', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '335'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '121.409'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:8\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'8\x0e\x00\x00')
'PRIV:PeakValue:»R\x00\x00'                         PRIV(owner='PeakValue', data=b'\xbbR\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:ºËs¬vH\x8eF§\x90<\x04¦ïr¨'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xba\xcbs\xacvH\x8eF\xa7\x90<\x04\xa6\xefr\xa8')
'PRIV:WM/WMCollectionID:\x00\rÂ\x8dËý2F½²\x1b\x1c.T°Ò'  PRIV(owner='WM/WMCollectionID', data=b'\x00\r\xc2\x8d\xcb\xfd2F\xbd\xb2\x1b\x1c.T\xb0\xd2')
'PRIV:WM/WMContentID:îvÈK\x80Ô´E\x80¿BÀ²ï\x1fç'     PRIV(owner='WM/WMContentID', data=b'\xeev\xc8K\x80\xd4\xb4E\x80\xbfB\xc0\xb2\xef\x1f\xe7')
'TALB' (Album/Movie/Show title)                     "Classic Country: Honky Tonkin' 1952-1957 Disc 2"
'TBPM' (BPM (beats per minute))                     '121.409'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         'My Shoes Keep Walking Back To You'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '157533'
'TPE1' (Lead performer(s)/Soloist(s))               'Ray Price'
'TPUB' (Publisher)                                  'Time Life'
'TRCK' (Track number/Position in set)               '335'
'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'                                   ['country', 'honky tonk', '60s', 'classic country']
'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'                        '+1.81 dB'
'TXXX:replaygain_track_peak'                        '0.379608'

========================== row from database ==========================
                                              'id'  1449661
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-335 - Ray Price - My Shoes Keep Walking Back To You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  157
                                           'genre'  prerock-unsorted
                                        'filesize'  6299672
                                           'mtime'  1621698340
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 335 prerock unsorted
                                      'tag_artist'  Ray Price
                                     'tag_release'  Classic Country: Honky Tonkin' 1952-1957 Disc 2
                                       'tag_title'  My Shoes Keep Walking Back To You
                                             'bpm'  121.409
                                    'search_title'  'back':5 'keep':3 'my':1 'shoes':2 'to':6 'walking':4 'you':7
                                   'search_artist'  'price':2 'ray':1
                                  'search_release'  '1952':7 '19521957':9 '1957':8 '2':11 'classic':1 'country':2,3 'disc':10 'honky':4 'tonkin':5,6
                                     'search_rest'  '00oldiepop':5 '335':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'unsorted':8
                                    'search_combo'  '00oldiepop':25 '1952':16C '19521957':18C '1957':17C '2':20C '335':26 'back':5A 'classic':10C 'country':11C,12C,24 'disc':19C 'exotica':22 'honky':13C 'jazz':21 'keep':3A 'my':1A 'oldies':23 'prerock':27 'price':9B 'ray':8B 'shoes':2A 'to':6A 'tonkin':14C,15C 'unsorted':28 'walking':4A 'you':7A
                                    'tag_tracknum'  335
                                      '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-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'  ['country', 'honky tonk', '60s', 'classic country']
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698340.2174146  (2021-05-22 17:45:40)
                             'size'  6299672