======================== unified (from filesystem) ========================
                                         'bitrate'  '127.676'
                                        'duration'  '165'
                                          'artist'  'Cab Calloway'
                                     'text_people'  ''
                                         'release'  'The Early Years, 1930-1934, Volume 4 (Disc 4)'
                                           'title'  'Chinese Rhythm'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', 'blues', 'oldies', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '090'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '110.062'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Early Years, 1930-1934, Volume 4 (Disc 4)'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Chinese Rhythm'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Cab Calloway And His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Cab Calloway'
'TRCK' (Track number/Position in set)               '090'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', 'jazz', 'blues', 'oldies', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+11.65 dB'
'TXXX:replaygain_track_peak'                        '0.203722'
'UFID:mailto:webmaster@vunetusa.com'                UFID(owner='mailto:webmaster@vunetusa.com', data=b'11107464')
'USER:eng'                                          ('Copyright notice. These materials are protected by United States copyright '
 'law and by international treaties. You may use these materials for your '
 'personal, non-commercial use only. You may not otherwise reproduce, '
 'distribute, publicly perform, publicly display, or create derivative works '
 'of these materials, unless authorized by the appropriate copyright owner(s).')

========================== row from database ==========================
                                              'id'  675159
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/082 cab calloway & orchestra - chinese rhythm (10-20-34).mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  2641279
                                           'mtime'  1620560323
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 082 cab calloway & orchestra chinese rhythm (10 20 34) prerock swing
                                      'tag_artist'  Cab Calloway
                                     'tag_release'  The Early Years, 1930-1934, Volume 4 (Disc 4)
                                       'tag_title'  Chinese Rhythm
                                             'bpm'  110.062
                                    'search_title'  'chinese':1 'rhythm':2
                                   'search_artist'  'cab':1 'calloway':2
                                  'search_release'  '1930':5 '19301934':7 '1934':6 '4':9,12 'disc':10,11 'early':2 'the':1 'volume':8 'years':3,4
                                     'search_rest'  '00oldiepop':5 '10':11,12 '20':13 '34':14,15 'cab':6 'calloway':7 'chinese':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'orchestra':8 'prerock':16 'rhythm':10 'swing':17
                                    'search_combo'  '00oldiepop':21 '10':27,28 '1930':9C '19301934':11C '1934':10C '20':29 '34':30,31 '4':13C,16C 'cab':3B,22 'calloway':4B,23 'chinese':1A,25 'country':20 'disc':14C,15C 'early':6C 'exotica':18 'jazz':17 'oldies':19 'orchestra':24 'prerock':32 'rhythm':2A,26 'swing':33 'the':5C 'volume':12C 'years':7C,8C
                                    'tag_tracknum'  90
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'blues', 'oldies', 'swing']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560322.9866695  (2021-05-09 13:38:42)
                             'size'  2641279