======================== unified (from filesystem) ========================
                                         'bitrate'  '187.858'
                                        'duration'  '187'
                                          'artist'  'Akira Ifukube'
                                     'text_people'  ''
                                         'release'  'Monster Zero (Kaiju Daisenso)'
                                           'title'  'Monster Mega-War March'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '121.774'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monster Zero (Kaiju Daisenso)'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Burst mode)'
'TIT2' (Title/songname/content description)         'Monster Mega-War March'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akira Ifukube'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.631328'

========================== row from database ==========================
                                              'id'  979141
                                            'path'  /data/Music/Bulk/0soundtrack/Invasion Of The Astro-monsters (1965)/21 - Akira Ifukube - Monster Mega - War March.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  187
                                           'genre'  soundtrack-video
                                        'filesize'  4418261
                                           'mtime'  1638555494
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Invasion Of The Astro monsters (1965) 21 soundtrack video
                                      'tag_artist'  Akira Ifukube
                                     'tag_release'  Monster Zero (Kaiju Daisenso)
                                       'tag_title'  Monster Mega-War March
                                             'bpm'  121.774
                                    'search_title'  'march':5 'mega':2 'megawar':4 'monster':1 'war':3
                                   'search_artist'  'akira':1 'ifukube':2
                                  'search_release'  'daisenso':5,6 'kaiju':3,4 'monster':1 'zero':2
                                     'search_rest'  '0soundtrack':1 '1965':7,8 '21':9 'astro':5 'invasion':2 'monsters':6 'of':3 'soundtrack':10 'the':4 'video':11
                                    'search_combo'  '0soundtrack':14 '1965':20,21 '21':22 'akira':6B 'astro':18 'daisenso':12C,13C 'ifukube':7B 'invasion':15 'kaiju':10C,11C 'march':5A 'mega':2A 'megawar':4A 'monster':1A,8C 'monsters':19 'of':16 'soundtrack':23 'the':17 'video':24 'war':3A 'zero':9C
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555494.1427984  (2021-12-03 19:18:14)
                             'size'  4418261