======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '243'
                                          'artist'  'Queen'
                                     'text_people'  'David Bowie/Queen'
                                         'release'  'Classic Queen'
                                           'title'  'Under Pressure'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']"
                                     'discogstags'  "['rock', 'pop rock', 'classic rock', 'arena rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '113.6'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:\x9f-\x13N\x08=sB\x97;ܬ\x9cö¹l'  PRIV(owner='WM/WMCollectionID', data=b'\x9f-\x13N\x08=sB\x97;\xdc\xac\x9c\xf6\xb9l')
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'TALB' (Album/Movie/Show title)                     'Classic Queen'
'TBPM' (BPM (beats per minute))                     '113.6'
'TCOM' (Composer)                                   'David Bowie/Queen'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Under Pressure'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Queen'
'TPE2' (Band/orchestra/accompaniment)               'Queen'
'TPUB' (Publisher)                                  'Hollywood'
'TRCK' (Track number/Position in set)               '3'
'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'                                  ['rock', 'pop rock', 'classic rock', 'arena rock']
'TXXX:lastfmtags'                                   ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.613707'

========================== row from database ==========================
                                              'id'  1526069
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/DSA/Queen - Under Pressure.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  243
                                           'genre'  rock-cppex-classic
                                        'filesize'  4873114
                                           'mtime'  1636039170
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s DSA rock cppex classic
                                      'tag_artist'  Queen
                                     'tag_release'  Classic Queen
                                       'tag_title'  Under Pressure
                                             'bpm'  113.6
                                    'search_title'  'pressure':2 'under':1
                                   'search_artist'  'queen':1
                                  'search_release'  'classic':1 'queen':2
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'classic':10 'cppex':9 'disco':2 'dsa':7 'rock':8 's':4,6
                                    'search_combo'  '00poprockelectronic':6 '70':8 '80':10 'classic':4C,15 'cppex':14 'disco':7 'dsa':12 'pressure':2A 'queen':3B,5C 'rock':13 's':9,11 'under':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'glam rock', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1985
                                     'discogstags'  ['rock', 'pop rock', 'classic rock', 'arena rock']

============================== file details ==============================
                                           'mtime'  1636039170.432057  (2021-11-04 16:19:30)
                             'size'  4873114