======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '223'
                                          'artist'  'Billy Murray & American Quartet'
                                     'text_people'  ''
                                         'release'  'Edison 50308 (4154)'
                                           'title'  "We'll Have A Jubilee In My Old Kentucky Home"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vaudeville', 'barbershop', '1910s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1915'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '145.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Edison 50308 (4154)'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1915-10'
'TIT2' (Title/songname/content description)         "We'll Have A Jubilee In My Old Kentucky Home"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '223000'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Murray & American Quartet'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['vaudeville', 'barbershop', '1910s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.98 dB'
'TXXX:replaygain_track_peak'                        '0.678487'

========================== row from database ==========================
                                              'id'  1518606
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1915/Billy Murray & American Quartet - We_ll Have A Jubilee In My Old Kentucky Home -10-1915.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  223
                                           'genre'  prerock-vocal
                                        'filesize'  4554127
                                           'mtime'  1620666220
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1915 We_ll 10 1915 prerock vocal
                                      'tag_artist'  Billy Murray & American Quartet
                                     'tag_release'  Edison 50308 (4154)
                                       'tag_title'  We'll Have A Jubilee In My Old Kentucky Home
                                             'bpm'  145.8
                                    'search_title'  'a':5 'have':4 'home':11 'in':7 'jubilee':6 'kentucky':10 'll':2 'my':8 'old':9 'we':1 'well':3
                                   'search_artist'  'american':3 'billy':1 'murray':2 'quartet':4
                                  'search_release'  '4154':3,4 '50308':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1915':6 'country':4 'exotica':2 'jazz':1 'll':8 'oldies':3 'prerock':9 'vocal':10 'we':7
                                    'search_combo'  '00oldiepop':24 '1915':25 '4154':18C,19C '50308':17C 'a':5A 'american':14B 'billy':12B 'country':23 'edison':16C 'exotica':21 'have':4A 'home':11A 'in':7A 'jazz':20 'jubilee':6A 'kentucky':10A 'll':2A,27 'murray':13B 'my':8A 'old':9A 'oldies':22 'prerock':28 'quartet':15B 'vocal':29 'we':1A,26 'well':3A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vaudeville', 'barbershop', '1910s']
                                        'tag_date'  1915
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666220.1978786  (2021-05-10 19:03:40)
                             'size'  4554127