======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '236'
                                          'artist'  'The Animals'
                                     'text_people'  ''
                                         'release'  'The Animals With Sonny Boy Williamson'
                                           'title'  'Pontiac Blues'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['british', 'rock', 'oldies', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '135.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Animals With Sonny Boy Williamson'
'TBPM' (BPM (beats per minute))                     '135.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Pontiac Blues'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Animals Feat. Sonny Boy Williamson'
'TPE2' (Band/orchestra/accompaniment)               'The Animals'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['british', 'rock', 'oldies', '60s', 'classic rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.424450'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3O0S2948010V784F766F05DDE2FD96C6B3E9850F195DD4P4\x00')

========================== row from database ==========================
                                              'id'  1387748
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Animals With Sonny Boy Williamson/02 Pontiac Blues.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  236
                                           'genre'  prerock-jb-blues
                                        'filesize'  5743688
                                           'mtime'  1620402593
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 02 prerock jb blues
                                      'tag_artist'  The Animals
                                     'tag_release'  The Animals With Sonny Boy Williamson
                                       'tag_title'  Pontiac Blues
                                             'bpm'  135.6
                                    'search_title'  'blues':2 'pontiac':1
                                   'search_artist'  'animals':2 'the':1
                                  'search_release'  'animals':2 'boy':5 'sonny':4 'the':1 'williamson':6 'with':3
                                     'search_rest'  'blues':7 'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5
                                    'search_combo'  'animals':4B,6C 'blues':2A,17 'boy':9C 'country':14 'exotica':12 'jazz':11 'jb':16 'oldies':13 'pontiac':1A 'prerock':15 'sonny':8C 'the':3B,5C 'williamson':10C 'with':7C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['british', 'rock', 'oldies', '60s', 'classic rock']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402593.1195264  (2021-05-07 17:49:53)
                             'size'  5743688