======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '125'
                                          'artist'  'Mary Kaye Trio'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "You Can't Be True Dear"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '125.548'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-433 POS 75'
'COMM:ID3v1 Comment:XXX'                            '59-433 POS 75'
'TBPM' (BPM (beats per minute))                     '125.548'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         "You Can't Be True Dear"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mary Kaye Trio'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.37 dB'
'TXXX:replaygain_track_peak'                        '0.552379'

========================== row from database ==========================
                                              'id'  1515025
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-433 - Mary Kaye Trio - You Can_t Be True Dear.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  125
                                           'genre'  prerock-unsorted
                                        'filesize'  5010202
                                           'mtime'  1621698422
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 433 Can_t prerock unsorted
                                      'tag_artist'  Mary Kaye Trio
                                     'tag_release'  None
                                       'tag_title'  You Can't Be True Dear
                                             'bpm'  125.548
                                    'search_title'  'be':5 'can':2 'cant':4 'dear':7 't':3 'true':6 'you':1
                                   'search_artist'  'kaye':2 'mary':1 'trio':3
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1959':6 '433':8 '59':7 'can':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 't':10 'unsorted':12
                                    'search_combo'  '00oldiepop':15 '1959':16 '433':18 '59':17 'be':5A 'can':2A,19 'cant':4A 'country':14 'dear':7A 'exotica':12 'jazz':11 'kaye':9B 'mary':8B 'oldies':13 'prerock':21 't':3A,20 'trio':10B 'true':6A 'unsorted':22 'you':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698421.6341631  (2021-05-22 17:47:01)
                             'size'  5010202