======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '189'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'RV I/O Soundtrack'
                                           'title'  'track 12'
                                           'quals'  ("['q-bass-3', 'q-vocals-1', 'q-play-3', 'q-unu-1', 'q-busy-3', 'q-piano-1', "
 "'q-jzfks-1', 'q-oldst-3', 'q-chart-2', 'q-grit-2', 'q-hhrnbtt-1', "
 "'q-drums-4', 'q-other-2', 'q-mixbeat-2', 'q-hap-3', 'q-syn-3', "
 "'q-localness-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-game;electronic-unsorted'
                                             'bpm'  '114.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'RV I/O Soundtrack'
'albumartist'                                       'Various Artists'
'artist'                                            '[unknown]'
'bpm'                                               '114.1'
'discnumber'                                        '1'
'genre'                                             ['soundtrack-game', 'electronic-unsorted']
'key'                                               '4A'
'q-bass'                                            '3'
'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'                                           '2'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '3'
'q-unu'                                             '1'
'q-vocals'                                          '1'
'replaygain_track_gain'                             '-9.55 dB'
'replaygain_track_peak'                             '0.999804'
'title'                                             'track 12'
'tracknumber'                                       '12'

========================== row from database ==========================
                                              'id'  1477053
                                            'path'  /data/Music/Bulk/0soundtrack/Game Music/io_soundtrack/redbook/track12.ogg
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  189
                                           'genre'  soundtrack-game;electronic-unsorted
                                        'filesize'  6064667
                                           'mtime'  1638540181
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Game Music io_soundtrack redbook track12 soundtrack game;electronic unsorted
                                      'tag_artist'  [unknown]
                                     'tag_release'  RV I/O Soundtrack
                                       'tag_title'  track 12
                                             'bpm'  114.1
                                    'search_title'  'track':1
                                   'search_artist'  'unknown':1,2
                                  '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 'track12':7 'unsorted':13
                                    'search_combo'  '0soundtrack':9 'electronic':18,20 'game':10,17,19 'i':5C 'io':7C,12 'music':11 'o':6C 'redbook':14 'rv':4C 'soundtrack':8C,13,16 'track':1A 'track12':15 'unknown':2B,3B 'unsorted':21
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['q-mixbeat-2', 'q-chart-2', 'q-other-2', 'q-oldst-3', 'q-grit-2', 'q-vocals-1', '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-3', 'q-hap-3', 'q-unu-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638540181.0498314  (2021-12-03 15:03:01)
                             'size'  6064667