======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '77'
                                          'artist'  'Michael Jackson'
                                     'text_people'  ''
                                         'release'  'Thriller'
                                           'title'  'Interview with Quincy Jones VI'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'rock', 'pop']"
                                     'discogstags'  "['funk / soul', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '142.608'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 00000C77 00000E04 000043A7 0000431C 0000D4B6 0000D4B6 00007D4F 00007DF3 '
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'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:ߧ\x16÷\x83o¾IºõMN\x1e\x12\x17e'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xdf\xa7\x16\xf7\x83o\xbeI\xba\xf5MN\x1e\x12\x17e')
'PRIV:WM/WMCollectionID:ߧ\x16÷\x83o¾IºõMN\x1e\x12\x17e'  PRIV(owner='WM/WMCollectionID', data=b'\xdf\xa7\x16\xf7\x83o\xbeI\xba\xf5MN\x1e\x12\x17e')
'PRIV:WM/WMContentID:ôª1\x04\x00¿^L\x8f"+\x11yëwê'  PRIV(owner='WM/WMContentID', data=b'\xf4\xaa1\x04\x00\xbf^L\x8f"+\x11y\xebw\xea')
'TALB' (Album/Movie/Show title)                     'Thriller'
'TBPM' (BPM (beats per minute))                     '142.608'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Interview with Quincy Jones VI'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '77853'
'TPE1' (Lead performer(s)/Soloist(s))               'Quincy Jones'
'TPE2' (Band/orchestra/accompaniment)               'Michael Jackson'
'TPUB' (Publisher)                                  'Sony'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'pop', 'disco']
'TXXX:lastfmtags'                                   ['80s', 'dance', 'rock', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.24 dB'
'TXXX:replaygain_track_peak'                        '0.419554'

========================== row from database ==========================
                                              'id'  1332903
                                            'path'  /data/Music/Bulk/00poprockelectronic/Michael Jackson/Thriller/21 Interview with Quincy Jones VI.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  77
                                           'genre'  rock-unsorted
                                        'filesize'  3114207
                                           'mtime'  1621696439
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 21 rock unsorted
                                      'tag_artist'  Michael Jackson
                                     'tag_release'  Thriller
                                       'tag_title'  Interview with Quincy Jones VI
                                             'bpm'  142.608
                                    'search_title'  'interview':1 'jones':4 'quincy':3 'vi':5 'with':2
                                   'search_artist'  'jackson':2 'michael':1
                                  'search_release'  'thriller':1
                                     'search_rest'  '00poprockelectronic':1 '21':2 'rock':3 'unsorted':4
                                    'search_combo'  '00poprockelectronic':9 '21':10 'interview':1A 'jackson':7B 'jones':4A 'michael':6B 'quincy':3A 'rock':11 'thriller':8C 'unsorted':12 'vi':5A 'with':2A
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'rock', 'pop']
                                        'tag_date'  2001
                                     'discogstags'  ['funk / soul', 'pop', 'disco']

============================== file details ==============================
                                           'mtime'  1621696439.2437427  (2021-05-22 17:13:59)
                             'size'  3114207