======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '155'
                                          'artist'  'Paragon Ragtime Orchestra'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Ragtime Violin (Berlin 1911) (vocal - Jody Dall' Armi)"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['themepark', 'berlinx', 'intello', 'melodi', 'disney']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1911'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '130.903'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Sound edited by Breda4@hotmail'
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '130.903'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1911'
'TIT2' (Title/songname/content description)         "Ragtime Violin (Berlin 1911) (vocal - Jody Dall' Armi)"
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '155000'
'TPE1' (Lead performer(s)/Soloist(s))               'Paragon Ragtime Orchestra'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['themepark', 'berlinx', 'intello', 'melodi', 'disney']
'TXXX:q-bass'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.464464'

========================== row from database ==========================
                                              'id'  1499139
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1911/Paragon Ragtime Orchestra - Ragtime Violin (Berlin 1911) (vocal - Jody Dall_ Armi).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  155
                                           'genre'  prerock-band
                                        'filesize'  3205956
                                           'mtime'  1620559201
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop Dall_ prerock band
                                      'tag_artist'  Paragon Ragtime Orchestra
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Ragtime Violin (Berlin 1911) (vocal - Jody Dall' Armi)
                                             'bpm'  130.903
                                    'search_title'  '1911':5,6 'armi':12,13 'berlin':3,4 'dall':10,11 'jody':9 'ragtime':1 'violin':2 'vocal':7,8
                                   'search_artist'  'orchestra':3 'paragon':1 'ragtime':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 'band':8 'country':4 'dall':6 'exotica':2 'jazz':1 'oldies':3 'prerock':7
                                    'search_combo'  '00oldiepop':26 '1911':5A,6A 'album':18C 'armi':12A,13A 'band':29 'berlin':3A,4A 'country':25 'dall':10A,11A,27 'exotica':23 'jazz':22 'jody':9A 'non':17C 'nonalbum':19C 'oldies':24 'orchestra':16B 'paragon':14B 'prerock':28 'ragtime':1A,15B 'tracks':20C,21C 'violin':2A 'vocal':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['themepark', 'berlinx', 'intello', 'melodi', 'disney']
                                        'tag_date'  1911
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620559201.4548988  (2021-05-09 13:20:01)
                             'size'  3205956