======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '203'
                                          'artist'  'Virginia Liston'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You've Got The Right Key But The Wrong Keyhole"
                                           'quals'  ("['Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['thursday nite blues', 'blues', 'female vocalists', 'all', 'female vocalist']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '85.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1924-10-17'
'TIT2' (Title/songname/content description)         "You've Got The Right Key But The Wrong Keyhole"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '203000'
'TPE1' (Lead performer(s)/Soloist(s))               'Virginia Liston'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['thursday nite blues', 'blues', 'female vocalists', 'all', 'female vocalist']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.565369'

========================== row from database ==========================
                                              'id'  1515051
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/Virginia Liston - You_ve Got The Right Key But The Wrong Keyhole 17-10-1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  203
                                           'genre'  prerock-unsorted
                                        'filesize'  4146429
                                           'mtime'  1620385747
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 You_ve 17 10 1924 prerock unsorted
                                      'tag_artist'  Virginia Liston
                                     'tag_release'  None
                                       'tag_title'  You've Got The Right Key But The Wrong Keyhole
                                             'bpm'  85.2
                                    'search_title'  'but':8 'got':4 'key':7 'keyhole':10 'right':6 'the':5 've':2 'wrong':9 'you':1 'youve':3
                                   'search_artist'  'liston':2 'virginia':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1924':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10 've':8 'you':7
                                    'search_combo'  '00oldiepop':17 '1924':18 'but':8A 'country':16 'exotica':14 'got':4A 'jazz':13 'key':7A 'keyhole':10A 'liston':12B 'oldies':15 'prerock':21 'right':6A 'the':5A 'unsorted':22 've':2A,20 'virginia':11B 'wrong':9A 'you':1A,19 'youve':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['thursday nite blues', 'blues', 'female vocalists', 'all', 'female vocalist']
                                        'tag_date'  1924
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620385746.8356967  (2021-05-07 13:09:06)
                             'size'  4146429