======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '186'
                                          'artist'  'Rudy Wiedoeft'
                                     'text_people'  ''
                                         'release'  'Perfect 11102'
                                           'title'  'Silver Threads Among The Gold (+ Orchestra) 1919 Perfect'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-2', '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-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '136.3'
                                             'key'  '12B'
                                        '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)                     'Perfect 11102'
'TBPM' (BPM (beats per minute))                     '136.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1919'
'TIT2' (Title/songname/content description)         'Silver Threads Among The Gold (+ Orchestra) 1919 Perfect'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '186000'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Wiedoeft'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Bear Family'
'TRCK' (Track number/Position in set)               '5'
'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'                                   ['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.77 dB'
'TXXX:replaygain_track_peak'                        '0.471375'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N97S7942160U16891508F4672CF61D7920B01DA0FD8F103P3')

========================== row from database ==========================
                                              'id'  1472852
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/Rudy Wiedoeft - Silver Threads Among The Gold (+ Orchestra) 1919 Perfect.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  186
                                           'genre'  prerock-band
                                        'filesize'  3132099
                                           'mtime'  1620559641
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock band
                                      'tag_artist'  Rudy Wiedoeft
                                     'tag_release'  Perfect 11102
                                       'tag_title'  Silver Threads Among The Gold (+ Orchestra) 1919 Perfect
                                             'bpm'  136.3
                                    'search_title'  '1919':8 'among':3 'gold':5 'orchestra':6,7 'perfect':9 'silver':1 'the':4 'threads':2
                                   'search_artist'  'rudy':1 'wiedoeft':2
                                  'search_release'  '11102':2 'perfect':1
                                     'search_rest'  '00oldiepop':5 'band':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6
                                    'search_combo'  '00oldiepop':18 '11102':13C '1919':8A 'among':3A 'band':20 'country':17 'exotica':15 'gold':5A 'jazz':14 'oldies':16 'orchestra':6A,7A 'perfect':9A,12C 'prerock':19 'rudy':10B 'silver':1A 'the':4A 'threads':2A 'wiedoeft':11B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']
                                        'tag_date'  1919
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620559641.2949357  (2021-05-09 13:27:21)
                             'size'  3132099