======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '128'
                                          'artist'  'Billy Ward & His Dominoes'
                                     'text_people'  ''
                                         'release'  "Best Of The 50's 1957-59"
                                           'title'  'Jennie Lee'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['bicycle song', 'bike', 'bicycle']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '112.134'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-341 POS 55'
'COMM:ID3v1 Comment:XXX'                            '58-341 POS 55'
'TALB' (Album/Movie/Show title)                     "Best Of The 50's 1957-59"
'TBPM' (BPM (beats per minute))                     '112.134'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Jennie Lee'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Ward & His Dominoes'
'TRCK' (Track number/Position in set)               '18'
'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'                                   ['bicycle song', 'bike', 'bicycle']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.84 dB'
'TXXX:replaygain_track_peak'                        '0.773504'

========================== row from database ==========================
                                              'id'  1435104
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-341 - Billy Ward & His Dominoes - Jennie Lee.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  128
                                           'genre'  prerock-unsorted
                                        'filesize'  5128064
                                           'mtime'  1621698373
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 341 prerock unsorted
                                      'tag_artist'  Billy Ward & His Dominoes
                                     'tag_release'  Best Of The 50's 1957-59
                                       'tag_title'  Jennie Lee
                                             'bpm'  112.134
                                    'search_title'  'jennie':1 'lee':2
                                   'search_artist'  'billy':1 'dominoes':4 'his':3 'ward':2
                                  'search_release'  '1957':7 '195759':9 '50':4 '50s':6 '59':8 'best':1 'of':2 's':5 'the':3
                                     'search_rest'  '00oldiepop':5 '1958':6 '341':8 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':20 '1957':13C '195759':15C '1958':21 '341':23 '50':10C '50s':12C '58':22 '59':14C 'best':7C 'billy':3B 'country':19 'dominoes':6B 'exotica':17 'his':5B 'jazz':16 'jennie':1A 'lee':2A 'of':8C 'oldies':18 'prerock':24 's':11C 'the':9C 'unsorted':25 'ward':4B
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['bicycle song', 'bike', 'bicycle']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698372.8970356  (2021-05-22 17:46:12)
                             'size'  5128064