======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '193'
                                          'artist'  'Royal Air Force Dance Orchestra'
                                     'text_people'  ''
                                         'release'  'Decca M 32099'
                                           'title'  "Please Don't Say No (vocal - Jimmy Miller)"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '132.0'
                                             'key'  '4B'
                                        '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)                     'Decca M 32099'
'TBPM' (BPM (beats per minute))                     '132.0'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         "Please Don't Say No (vocal - Jimmy Miller)"
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '193000'
'TPE1' (Lead performer(s)/Soloist(s))               'Royal Air Force Dance Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'jazz'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.648022'

========================== row from database ==========================
                                              'id'  1503705
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1945/Royal Air Force Dance Orchestra - Please Don_t Say No (vocal - Jimmy Miller) 1945.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  193
                                           'genre'  prerock-band
                                        'filesize'  3908776
                                           'mtime'  1620561147
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1945 Don_t 1945 prerock band
                                      'tag_artist'  Royal Air Force Dance Orchestra
                                     'tag_release'  Decca M 32099
                                       'tag_title'  Please Don't Say No (vocal - Jimmy Miller)
                                             'bpm'  132.0
                                    'search_title'  'don':2 'dont':4 'jimmy':9 'miller':10,11 'no':6 'please':1 'say':5 't':3 'vocal':7,8
                                   'search_artist'  'air':2 'dance':4 'force':3 'orchestra':5 'royal':1
                                  'search_release'  '32099':3 'decca':1 'm':2
                                     'search_rest'  '00oldiepop':5 '1945':6 'band':10 'country':4 'don':7 'exotica':2 'jazz':1 'oldies':3 'prerock':9 't':8
                                    'search_combo'  '00oldiepop':24 '1945':25 '32099':19C 'air':13B 'band':29 'country':23 'dance':15B 'decca':17C 'don':2A,26 'dont':4A 'exotica':21 'force':14B 'jazz':20 'jimmy':9A 'm':18C 'miller':10A,11A 'no':6A 'oldies':22 'orchestra':16B 'please':1A 'prerock':28 'royal':12B 'say':5A 't':3A,27 'vocal':7A,8A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4B
                                           '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-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561147.1589785  (2021-05-09 13:52:27)
                             'size'  3908776