======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '167'
                                          'artist'  "McKinney's Cotton Pickers"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'My Blackbirds Are Bluebirds Now (take 2) 23-11-1928'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'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'  '117.9'
                                             'key'  '1A'
                                        '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))                     '117.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'My Blackbirds Are Bluebirds Now (take 2) 23-11-1928'
'TKEY' (Initial key)                                '1A'
'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'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.783854'

========================== row from database ==========================
                                              'id'  1529491
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/McKinney_s Cotton Pickers/McKinney_s Cotton Pickers - My Blackbirds Are Bluebirds Now (take 2) 23-11-1928.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  167
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3432783
                                           'mtime'  1620532581
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country McKinney_s McKinney_s prerock jb jazz unsorted
                                      'tag_artist'  McKinney's Cotton Pickers
                                     'tag_release'  None
                                       'tag_title'  My Blackbirds Are Bluebirds Now (take 2) 23-11-1928
                                             'bpm'  117.9
                                    'search_title'  '11':11 '1928':12 '2':8,9 '23':10 '23111928':13 'are':3 'blackbirds':2 'bluebirds':4 'my':1 'now':5 'take':6,7
                                   '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'  '11':11A '1928':12A '2':8A,9A '23':10A '23111928':13A 'are':3A 'blackbirds':2A 'bluebirds':4A 'cotton':17B 'country':26 'exotica':24 'jazz':23 'jb':30 'kinney':20B,33 'kinneys':22B 'mc':19B,32 'mckinney':14B,27 'mckinneys':16B 'my':1A 'now':5A 'oldies':25 'pickers':18B 'prerock':29 's':15B,21B,28,34 'take':6A,7A 'unsorted':31
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'early jazz', 'dixieland', 'swing']
                                        'tag_date'  1928
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620532581.1248024  (2021-05-09 05:56:21)
                             'size'  3432783