======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '456'
                                          'artist'  'Rudy Wiedoeft'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Radio Program (+ Bennie Krueger & Rudy Vallee)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1933'
                                        'comments'  ''
                                           'genre'  'prerock-ragtime'
                                             'bpm'  '140.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TBPM' (BPM (beats per minute))                     '140.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-ragtime'
'TDRC' (Recording time)                             '1933-06-08'
'TIT2' (Title/songname/content description)         'Radio Program (+ Bennie Krueger & Rudy Vallee)'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '456000'
'TPE1' (Lead performer(s)/Soloist(s))               'Rudy Wiedoeft'
'TRCK' (Track number/Position in set)               '07'
'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'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.38 dB'
'TXXX:replaygain_track_peak'                        '0.563227'
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3O1S6343642V08CDA6648B0F01D1C7888BBF8DDD7347F0P4')

========================== row from database ==========================
                                              'id'  1459366
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1933/Rudy Wiedoeft - Radio Program + Bennie Krueger & Rudy Vallee 8-6-1933.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  456
                                           'genre'  prerock-ragtime
                                        'filesize'  9261788
                                           'mtime'  1620527248
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1933 8 6 1933 prerock ragtime
                                      'tag_artist'  Rudy Wiedoeft
                                     'tag_release'  None
                                       'tag_title'  Radio Program (+ Bennie Krueger & Rudy Vallee)
                                             'bpm'  140.7
                                    'search_title'  'bennie':3 'krueger':4 'program':2 'radio':1 'rudy':5 'vallee':6,7
                                   'search_artist'  'rudy':1 'wiedoeft':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1933':6 '6':8 '8':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'ragtime':10
                                    'search_combo'  '00oldiepop':14 '1933':15 '6':17 '8':16 'bennie':3A 'country':13 'exotica':11 'jazz':10 'krueger':4A 'oldies':12 'prerock':18 'program':2A 'radio':1A 'ragtime':19 'rudy':5A,8B 'vallee':6A,7A 'wiedoeft':9B
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'novelty', 'ragtime', 'saxophone', '1920s']
                                        'tag_date'  1933
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527247.8567786  (2021-05-09 04:27:27)
                             'size'  9261788