======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '225'
                                          'artist'  'Kenny Rogers'
                                     'text_people'  'Kenny Rogers/Richard Marx'
                                         'release'  '42 Ultimate Hits Disc 2'
                                           'title'  'Crazy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['country', 'male vocalists', 'oldies', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'prerock-country'
                                             'bpm'  '135.274'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:AverageLevel:¼\x0b\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xbc\x0b\x00\x00')
'PRIV:PeakValue:\x87v\x00\x00'                      PRIV(owner='PeakValue', data=b'\x87v\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 \x006\x008\x007\x002\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x009\x003\x003\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x000\x003\x005\x004\x009\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x008\x007\x002\x002\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x009\x003\x003\x005\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x007\x000\x003\x005\x004\x009\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:î¬/\x10q¸\x85J²äî\x85üU5Ø'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xee\xac/\x10q\xb8\x85J\xb2\xe4\xee\x85\xfcU5\xd8')
'PRIV:WM/WMCollectionID:qUc \x1feÙG\x96U~Ìeb\x9b\\'  PRIV(owner='WM/WMCollectionID', data=b'qUc \x1fe\xd9G\x96U~\xcceb\x9b\\')
'PRIV:WM/WMContentID:âQÃ\x84u\x02BM\x88\x91³ÒíIç\x02'  PRIV(owner='WM/WMContentID', data=b'\xe2Q\xc3\x84u\x02BM\x88\x91\xb3\xd2\xedI\xe7\x02')
'TALB' (Album/Movie/Show title)                     '42 Ultimate Hits Disc 2'
'TBPM' (BPM (beats per minute))                     '135.274'
'TCOM' (Composer)                                   'Kenny Rogers/Richard Marx'
'TCON' (Content type, a.k.a. Genre)                 'prerock-country'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Crazy'
'TKEY' (Initial key)                                '3B'
'TLEN' (Length)                                     '225386'
'TPE1' (Lead performer(s)/Soloist(s))               'Kenny Rogers'
'TPE2' (Band/orchestra/accompaniment)               'Kenny Rogers'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['country', 'male vocalists', 'oldies', 'classic country']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.769340'

========================== row from database ==========================
                                              'id'  1344525
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/024 Kenny Rogers - Crazy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  225
                                           'genre'  prerock-country
                                        'filesize'  9011984
                                           'mtime'  1621630087
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 024 prerock country
                                      'tag_artist'  Kenny Rogers
                                     'tag_release'  42 Ultimate Hits Disc 2
                                       'tag_title'  Crazy
                                             'bpm'  135.274
                                    'search_title'  'crazy':1
                                   'search_artist'  'kenny':1 'rogers':2
                                  'search_release'  '2':5 '42':1 'disc':4 'hits':3 'ultimate':2
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'complete':3 'country':5 'prerock':4
                                    'search_combo'  '00poprockelectronic':9 '1985':10 '2':8C '42':4C 'complete':11 'country':13 'crazy':1A 'disc':7C 'hits':6C 'kenny':2B 'prerock':12 'rogers':3B 'ultimate':5C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['country', 'male vocalists', 'oldies', 'classic country']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630086.698433  (2021-05-21 22:48:06)
                             'size'  9011984