======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '153'
                                          'artist'  'Jesper Kyd'
                                     'text_people'  ''
                                         'release'  "Assassin's Creed Brotherhood"
                                           'title'  'Flags of Rome'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['video game music', 'game music', 'soundtrack', 'game', 'ambient', "
 "'electronic']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '138.8'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Assassin's Creed Brotherhood"
'TBPM' (BPM (beats per minute))                     '138.8'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Flags of Rome'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jesper Kyd'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['video game music',
 'game music',
 'soundtrack',
 'game',
 'ambient',
 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.997131'

========================== row from database ==========================
                                              'id'  1522707
                                            'path'  /data/Music/Bulk/0soundtrack/Assassin_s Creed Brotherhood/2010 OST/04. Flags of Rome.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  153
                                           'genre'  soundtrack-game
                                        'filesize'  6150377
                                           'mtime'  1636135733
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Assassin_s 2010 OST 04. soundtrack game
                                      'tag_artist'  Jesper Kyd
                                     'tag_release'  Assassin's Creed Brotherhood
                                       'tag_title'  Flags of Rome
                                             'bpm'  138.8
                                    'search_title'  'flags':1 'of':2 'rome':3
                                   'search_artist'  'jesper':1 'kyd':2
                                  'search_release'  'assassin':1 'assassins':3 'brotherhood':5 'creed':4 's':2
                                     'search_rest'  '04':6,7 '0soundtrack':1 '2010':4 'assassin':2 'game':9 'ost':5 's':3 'soundtrack':8
                                    'search_combo'  '04':16,17 '0soundtrack':11 '2010':14 'assassin':6C,12 'assassins':8C 'brotherhood':10C 'creed':9C 'flags':1A 'game':19 'jesper':4B 'kyd':5B 'of':2A 'ost':15 'rome':3A 's':7C,13 'soundtrack':18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'game music', 'soundtrack', 'game', 'ambient', 'electronic']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636135732.6726644  (2021-11-05 19:08:52)
                             'size'  6150377