======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '104'
                                          'artist'  'Jo Stafford with Dick Haymes'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "We'll Build A Bungalow (Big Enough For Two (1950, radio)"
                                           'quals'  ("['Q-OLDST-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  '22'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-spelling'
                                             'bpm'  '97.600'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000007AB 000007AB 00006C22 00006C22 00016905 00016905 0000763E 0000763E '
 '0001537D 0001537D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000984 00000000004690EC 00000000 002659F6 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_1:eng'                            '470E4716+274328+22+150+15687+25100+36296+45648+58370+70480+83625+92951+106927+119333+132274+145372+161532+176085+188858+201656+215116+228147+240880+253632+261497'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '21'
'TBPM' (BPM (beats per minute))                     '97.600'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-spelling'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         "We'll Build A Bungalow (Big Enough For Two (1950, radio)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jo Stafford with Dick Haymes'
'TRCK' (Track number/Position in set)               '21/22'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.51 dB'
'TXXX:replaygain_track_peak'                        '0.460521'

========================== row from database ==========================
                                              'id'  1500817
                                            'path'  /data/Music/Bulk/0playlists/0novelty themes/spelling/Jo Stafford with Dick Haymes - We_ll Build A Bungalow (Big Enough For Two (1950, radio).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  104
                                           'genre'  set-pl-spelling
                                        'filesize'  2520543
                                           'mtime'  1620356355
                                   'redo_metaread'  0
                                        'rest_str'   0playlists 0novelty themes spelling We_ll set pl spelling
                                      'tag_artist'  Jo Stafford with Dick Haymes
                                     'tag_release'  None
                                       'tag_title'  We'll Build A Bungalow (Big Enough For Two (1950, radio)
                                             'bpm'  97.6
                                    'search_title'  '1950':12,13 'a':5 'big':7,8 'build':4 'bungalow':6 'enough':9 'for':10 'll':2 'radio':14,15 'two':11 'we':1 'well':3
                                   'search_artist'  'dick':4 'haymes':5 'jo':1 'stafford':2 'with':3
                                  'search_release'  
                                     'search_rest'  '0novelty':2 '0playlists':1 'll':6 'pl':8 'set':7 'spelling':4 'themes':3 'we':5
                                    'search_combo'  '0novelty':22 '0playlists':21 '1950':12A,13A 'a':5A 'big':7A,8A 'build':4A 'bungalow':6A 'dick':19B 'enough':9A 'for':10A 'haymes':20B 'jo':16B 'll':2A,26 'pl':28 'radio':14A,15A 'set':27 'spelling':24 'stafford':17B 'themes':23 'two':11A 'we':1A,25 'well':3A 'with':18B
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620356354.6564946  (2021-05-07 04:59:14)
                             'size'  2520543