======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '160'
                                          'artist'  "McKinney's Cotton Pickers"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Birmingham Breakdown (Chocolate Dandies) 15-10-1928'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', 'early jazz', 'dixieland', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '126.4'
                                             'key'  '5B'
                                        '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))                     '126.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'Birmingham Breakdown (Chocolate Dandies) 15-10-1928'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "McKinney's Cotton Pickers"
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['big band', 'jazz', 'early jazz', 'dixieland', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.573646'

========================== row from database ==========================
                                              'id'  1528286
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/McKinney_s Cotton Pickers/McKinney_s Cotton Pickers - Birmingham Breakdown (Chocolate Dandies) 13-10-1928.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  160
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3308440
                                           'mtime'  1620532545
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country McKinney_s McKinney_s 13 prerock jb jazz unsorted
                                      'tag_artist'  McKinney's Cotton Pickers
                                     'tag_release'  None
                                       'tag_title'  Birmingham Breakdown (Chocolate Dandies) 15-10-1928
                                             'bpm'  126.4
                                    'search_title'  '10':8 '15':7 '15101928':10 '1928':9 'birmingham':1 'breakdown':2 'chocolate':3,4 'dandies':5,6
                                   'search_artist'  'cotton':4 'kinney':7 'kinneys':9 'mc':6 'mckinney':1 'mckinneys':3 'pickers':5 's':2,8
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':8 'kinney':11 'mc':10 'mckinney':5 'oldies':3 'prerock':7 's':6,12 'unsorted':9
                                    'search_combo'  '10':8A '15':7A '15101928':10A '1928':9A 'birmingham':1A 'breakdown':2A 'chocolate':3A,4A 'cotton':14B 'country':23 'dandies':5A,6A 'exotica':21 'jazz':20 'jb':27 'kinney':17B,30 'kinneys':19B 'mc':16B,29 'mckinney':11B,24 'mckinneys':13B 'oldies':22 'pickers':15B 'prerock':26 's':12B,18B,25,31 'unsorted':28
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'early jazz', 'dixieland', 'swing']
                                        'tag_date'  1928
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620532545.054055  (2021-05-09 05:55:45)
                             'size'  3308440