======================== unified (from filesystem) ========================
                                         'bitrate'  '224.023'
                                        'duration'  '70'
                                          'artist'  'Akira Ifukube'
                                     'text_people'  ''
                                         'release'  'Monster Zero (Kaiju Daisenso)'
                                           'title'  'The Underground Passage'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '141.413'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monster Zero (Kaiju Daisenso)'
'TBPM' (BPM (beats per minute))                     '141.413'
'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)         'The Underground Passage'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akira Ifukube'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.55 dB'
'TXXX:replaygain_track_peak'                        '0.488439'

========================== row from database ==========================
                                              'id'  979261
                                            'path'  /data/Music/Bulk/0soundtrack/Invasion Of The Astro-monsters (1965)/05 - Akira Ifukube - The Underground Passage.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  70
                                           'genre'  soundtrack-video
                                        'filesize'  1976147
                                           'mtime'  1638555493
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Invasion Of Astro monsters (1965) 05 soundtrack video
                                      'tag_artist'  Akira Ifukube
                                     'tag_release'  Monster Zero (Kaiju Daisenso)
                                       'tag_title'  The Underground Passage
                                             'bpm'  141.413
                                    'search_title'  'passage':3 'the':1 'underground':2
                                   'search_artist'  'akira':1 'ifukube':2
                                  'search_release'  'daisenso':5,6 'kaiju':3,4 'monster':1 'zero':2
                                     'search_rest'  '0soundtrack':1 '1965':6,7 'astro':4 'invasion':2 'monsters':5 'of':3 'soundtrack':8 'video':9
                                    'search_combo'  '0soundtrack':12 '1965':17,18 'akira':4B 'astro':15 'daisenso':10C,11C 'ifukube':5B 'invasion':13 'kaiju':8C,9C 'monster':6C 'monsters':16 'of':14 'passage':3A 'soundtrack':19 'the':1A 'underground':2A 'video':20 'zero':7C
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555492.9513853  (2021-12-03 19:18:12)
                             'size'  1976147