======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '190'
                                          'artist'  ''
                                     'text_people'  ''
                                         'release'  'RV I/O Soundtrack'
                                           'title'  'track 4'
                                           'quals'  ("['q-grit-2', 'q-busy-3', 'q-other-1', 'q-unu-1', 'q-syn-3', 'q-jzfks-1', "
 "'q-drums-4', 'q-vocals-2', 'q-chart-2', 'q-bass-4', 'q-mixbeat-2', "
 "'q-piano-1', 'q-play-3', 'q-hhrnbtt-1', 'q-oldst-3', 'q-hap-3', "
 "'q-localness-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game;electronic-unsorted'
                                             'bpm'  '122.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'RV I/O Soundtrack'
'albumartist'                                       'Various Artists'
'bpm'                                               '122.0'
'discnumber'                                        '1'
'genre'                                             ['soundtrack-game', 'electronic-unsorted']
'key'                                               '6A'
'q-bass'                                            '4'
'q-busy'                                            '3'
'q-chart'                                           '2'
'q-drums'                                           '4'
'q-grit'                                            '2'
'q-hap'                                             '3'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '2'
'q-oldst'                                           '3'
'q-other'                                           '1'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '3'
'q-unu'                                             '1'
'q-vocals'                                          '2'
'replaygain_track_gain'                             '-7.27 dB'
'replaygain_track_peak'                             '0.947310'
'title'                                             'track 4'
'tracknumber'                                       '4'

========================== row from database ==========================
                                              'id'  1477033
                                            'path'  /data/Music/Bulk/0soundtrack/Game Music/io_soundtrack/redbook/track04.ogg
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  190
                                           'genre'  soundtrack-game;electronic-unsorted
                                        'filesize'  6166364
                                           'mtime'  1638540181
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Game Music io_soundtrack redbook track04 soundtrack game;electronic unsorted
                                      'tag_artist'  None
                                     'tag_release'  RV I/O Soundtrack
                                       'tag_title'  track 4
                                             'bpm'  122.0
                                    'search_title'  '4':2 'track':1
                                   'search_artist'  None
                                  'search_release'  'i':2 'io':4 'o':3 'rv':1 'soundtrack':5
                                     'search_rest'  '0soundtrack':1 'electronic':10,12 'game':2,9,11 'io':4 'music':3 'redbook':6 'soundtrack':5,8 'track04':7 'unsorted':13
                                    'search_combo'  '0soundtrack':8 '4':2A 'electronic':17,19 'game':9,16,18 'i':4C 'io':6C,11 'music':10 'o':5C 'redbook':13 'rv':3C 'soundtrack':7C,12,15 'track':1A 'track04':14 'unsorted':20
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['q-mixbeat-2', 'q-chart-2', 'q-other-1', 'q-oldst-3', 'q-grit-2', 'q-vocals-2', 'q-drums-4', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-3', 'q-piano-1', 'q-play-3', 'q-bass-4', 'q-hap-3', 'q-unu-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638540180.9802086  (2021-12-03 15:03:00)
                             'size'  6166364