======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '363'
                                          'artist'  'Death Angel'
                                     'text_people'  'Death Angel/Rob Cavestany'
                                         'release'  'The Ultra-Violence'
                                           'title'  'Final Death'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'eid-metal-trash'
                                             'bpm'  '128.089'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMContentID:x\x93²§¢ðeE\x8e\x89Dä]jZ\x16'  PRIV(owner='WM/WMContentID', data=b'x\x93\xb2\xa7\xa2\xf0eE\x8e\x89D\xe4]jZ\x16')
'TALB' (Album/Movie/Show title)                     'The Ultra-Violence'
'TBPM' (BPM (beats per minute))                     '128.089'
'TCOM' (Composer)                                   'Death Angel/Rob Cavestany'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-trash'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Final Death'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Death Angel'
'TPE2' (Band/orchestra/accompaniment)               'Death Angel'
'TPUB' (Publisher)                                  'Restless'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.96 dB'
'TXXX:replaygain_track_peak'                        '0.654563'

========================== row from database ==========================
                                              'id'  1285615
                                            'path'  /data/Music/Bulk/00poprockelectronic/Death Angel/The ultra violence/07 - Death Angel - final death.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  363
                                           'genre'  eid-metal-trash
                                        'filesize'  8719914
                                           'mtime'  1620311697
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic ultra violence 07 final death eid metal trash
                                      'tag_artist'  Death Angel
                                     'tag_release'  The Ultra-Violence
                                       'tag_title'  Final Death
                                             'bpm'  128.089
                                    'search_title'  'death':2 'final':1
                                   'search_artist'  'angel':2 'death':1
                                  'search_release'  'the':1 'ultra':2 'ultraviolence':4 'violence':3
                                     'search_rest'  '00poprockelectronic':1 'death':5 'eid':6 'final':4 'metal':7 'trash':8 'ultra':2 'violence':3
                                    'search_combo'  '00poprockelectronic':9 'angel':4B 'death':2A,3B,13 'eid':14 'final':1A,12 'metal':15 'the':5C 'trash':16 'ultra':6C,10 'ultraviolence':8C 'violence':7C,11
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['thrash', 'speed metal', 'thrash metal', 'metal', 'heavy metal']
                                        'tag_date'  1987
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311696.5599217  (2021-05-06 16:34:56)
                             'size'  8719914