======================== unified (from filesystem) ========================
                                         'bitrate'  '217.6'
                                        'duration'  '51'
                                          'artist'  'Sabaton'
                                     'text_people'  ''
                                         'release'  'The Last Stand'
                                           'title'  'Diary of an Unknown Soldier'
                                           'quals'  ("['q-bass-3', 'q-vocals-3', 'q-play-3', 'q-unu-2', 'q-busy-3', 'q-piano-1', "
 "'q-jzfks-1', 'q-oldst-3', 'q-chart-3', 'q-grit-3', 'q-hhrnbtt-1', "
 "'q-drums-4', 'q-other-3', 'q-mixbeat-2', 'q-hap-1', 'q-syn-2', "
 "'q-localness-1']")
                                      'lastfmtags'  "['swedish', 'power metal', 'metal', 'war metal', 'heavy metal']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '11'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'eid-metal-power'
                                             'bpm'  '116.4'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'album'                                             'The Last Stand'
'albumartist'                                       'Sabaton'
'artist'                                            'Sabaton'
'bpm'                                               '116.4'
'date'                                              '2016'
'discnumber'                                        '1'
'discogstags'                                       'rock'
'disctotal'                                         '1'
'genre'                                             'eid-metal-power'
'key'                                               '10A'
'lastfmtags'                                        ['swedish', 'power metal', 'metal', 'war metal', 'heavy metal']
'q-bass'                                            '3'
'q-busy'                                            '3'
'q-chart'                                           '3'
'q-drums'                                           '4'
'q-grit'                                            '3'
'q-hap'                                             '1'
'q-hhrnbtt'                                         '1'
'q-jzfks'                                           '1'
'q-localness'                                       '1'
'q-mixbeat'                                         '2'
'q-oldst'                                           '3'
'q-other'                                           '3'
'q-piano'                                           '1'
'q-play'                                            '3'
'q-syn'                                             '2'
'q-unu'                                             '2'
'q-vocals'                                          '3'
'replaygain_track_gain'                             '-1.05 dB'
'replaygain_track_peak'                             '0.970949'
'title'                                             'Diary of an Unknown Soldier'
'tracknumber'                                       '04'
'tracktotal'                                        '11'

========================== row from database ==========================
                                              'id'  1490351
                                            'path'  /data/Music/Bulk/00dwimp/Sabaton - The Last Stand (2016)/04 - Diary of an Unknown Soldier.ogg
                                         'working'  None
                                         'bitrate'  217
                                    'duration_sec'  51
                                           'genre'  eid-metal-power
                                        'filesize'  1155499
                                           'mtime'  1620310964
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp (2016) 04 eid metal power
                                      'tag_artist'  Sabaton
                                     'tag_release'  The Last Stand
                                       'tag_title'  Diary of an Unknown Soldier
                                             'bpm'  116.4
                                    'search_title'  'an':3 'diary':1 'of':2 'soldier':5 'unknown':4
                                   'search_artist'  'sabaton':1
                                  'search_release'  'last':2 'stand':3 'the':1
                                     'search_rest'  '00dwimp':1 '2016':2,3 'eid':4 'metal':5 'power':6
                                    'search_combo'  '00dwimp':10 '2016':11,12 'an':3A 'diary':1A 'eid':13 'last':8C 'metal':14 'of':2A 'power':15 'sabaton':6B 'soldier':5A 'stand':9C 'the':7C 'unknown':4A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['q-mixbeat-2', 'q-chart-3', 'q-other-3', 'q-oldst-3', 'q-grit-3', 'q-vocals-3', 'q-drums-4', 'q-busy-3', 'q-localness-1', 'q-jzfks-1', 'q-hhrnbtt-1', 'q-syn-2', 'q-piano-1', 'q-play-3', 'q-bass-3', 'q-hap-1', 'q-unu-2']
                                      'lastfmtags'  ['swedish', 'power metal', 'metal', 'war metal', 'heavy metal']
                                        'tag_date'  2016
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620310964.1719573  (2021-05-06 16:22:44)
                             'size'  1155499