======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '267'
                                          'artist'  'Korla Pandit'
                                     'text_people'  ''
                                         'release'  'The Universal Language of Music, Volume 1'
                                           'title'  "Chopin's Waltz in A Major"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1954'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '139.083'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Universal Language of Music, Volume 1'
'TBPM' (BPM (beats per minute))                     '139.083'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1954'
'TIT2' (Title/songname/content description)         "Chopin's Waltz in A Major"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Korla Pandit'
'TPUB' (Publisher)                                  'India'
'TRCK' (Track number/Position in set)               '11'
'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'                                   ['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.55 dB'
'TXXX:replaygain_track_peak'                        '0.670265'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.dinosaurgardens.com/')

========================== row from database ==========================
                                              'id'  1386800
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/korla pandit - universal language of music vol. 1/11_-_chopins_waltz_in_a_major.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  267
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  4340266
                                           'mtime'  1620537866
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country korla pandit universal language music vol. 11_ _chopins_waltz_in_a_major prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Korla Pandit
                                     'tag_release'  The Universal Language of Music, Volume 1
                                       'tag_title'  Chopin's Waltz in A Major
                                             'bpm'  139.083
                                    'search_title'  'a':6 'chopin':1 'chopins':3 'in':5 'major':7 's':2 'waltz':4
                                   'search_artist'  'korla':1 'pandit':2
                                  'search_release'  '1':8 'language':3 'music':5,6 'of':4 'the':1 'universal':2 'volume':7
                                     'search_rest'  '11':12 'a':16 'bossa':21 'chopins':13 'country':4 'exotica':2 'in':15 'jazz':1 'jb':19 'korla':5 'language':8 'lounge':20 'major':17 'music':9 'oldies':3 'pandit':6 'prerock':18 'universal':7 'vol':10,11 'waltz':14
                                    'search_combo'  '1':17C '11':29 'a':6A,33 'bossa':38 'chopin':1A 'chopins':3A,30 'country':21 'exotica':19 'in':5A,32 'jazz':18 'jb':36 'korla':8B,22 'language':12C,25 'lounge':37 'major':7A,34 'music':14C,15C,26 'of':13C 'oldies':20 'pandit':9B,23 'prerock':35 's':2A 'the':10C 'universal':11C,24 'vol':27,28 'volume':16C 'waltz':4A,31
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', '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-3', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'space age pop', 'exotica', 'organ', 'easy listening']
                                        'tag_date'  1954
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537866.4971333  (2021-05-09 07:24:26)
                             'size'  4340266