======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '168'
                                          'artist'  'Count Basie'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Blues (I Still Think Of Her) (vocal - Helen Humes)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', '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'  "['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1940'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '92.9'
                                             'key'  '10B'
                                        '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))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1940-03-20'
'TIT2' (Title/songname/content description)         'Blues (I Still Think Of Her) (vocal - Helen Humes)'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '168000'
'TPE1' (Lead performer(s)/Soloist(s))               'Count Basie'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']
'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'                        '+2.17 dB'
'TXXX:replaygain_track_peak'                        '0.526084'

========================== row from database ==========================
                                              'id'  1461953
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1940/Count Basie - Blues (I Still Think Of Her) (vocal - Helen Humes) 20-3-1940.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  168
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3407691
                                           'mtime'  1620527067
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1940 20 3 1940 prerock jb jazz unsorted
                                      'tag_artist'  Count Basie
                                     'tag_release'  None
                                       'tag_title'  Blues (I Still Think Of Her) (vocal - Helen Humes)
                                             'bpm'  92.9
                                    'search_title'  'blues':1 'helen':11 'her':7,8 'humes':12,13 'i':2,3 'of':6 'still':4 'think':5 'vocal':9,10
                                   'search_artist'  'basie':2 'count':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1940':6 '20':7 '3':8 'country':4 'exotica':2 'jazz':1 'jb':10 'oldies':3 'prerock':9 'unsorted':11
                                    'search_combo'  '00oldiepop':20 '1940':21 '20':22 '3':23 'basie':15B 'blues':1A 'count':14B 'country':19 'exotica':17 'helen':11A 'her':7A,8A 'humes':12A,13A 'i':2A,3A 'jazz':16 'jb':25 'of':6A 'oldies':18 'prerock':24 'still':4A 'think':5A 'unsorted':26 'vocal':9A,10A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', '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'  ['fip', 'jazz', 'big band', 'swing', 'piano', 'blues']
                                        'tag_date'  1940
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527067.0554695  (2021-05-09 04:24:27)
                             'size'  3407691