======================== unified (from filesystem) ========================
                                         'bitrate'  '236.377'
                                        'duration'  '63'
                                          'artist'  'Akira Ifukube'
                                     'text_people'  ''
                                         'release'  'Monster Zero (Kaiju Daisenso)'
                                           'title'  'Back to Planet X'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '141.611'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Monster Zero (Kaiju Daisenso)'
'TBPM' (BPM (beats per minute))                     '141.611'
'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)         'Back to Planet X'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Akira Ifukube'
'TRCK' (Track number/Position in set)               '12'
'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'                                       '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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+2.19 dB'
'TXXX:replaygain_track_peak'                        '0.554876'

========================== row from database ==========================
                                              'id'  978787
                                            'path'  /data/Music/Bulk/0soundtrack/Invasion Of The Astro-monsters (1965)/12 - Akira Ifukube - Back To Planet X.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  63
                                           'genre'  soundtrack-video
                                        'filesize'  1871828
                                           'mtime'  1638555494
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Invasion Of The Astro monsters (1965) 12 To soundtrack video
                                      'tag_artist'  Akira Ifukube
                                     'tag_release'  Monster Zero (Kaiju Daisenso)
                                       'tag_title'  Back to Planet X
                                             'bpm'  141.611
                                    'search_title'  'back':1 'planet':3 'to':2 'x':4
                                   '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 'astro':5 'invasion':2 'monsters':6 'of':3 'soundtrack':10 'the':4 'to':9 'video':11
                                    'search_combo'  '0soundtrack':13 '1965':19,20 'akira':5B 'astro':17 'back':1A 'daisenso':11C,12C 'ifukube':6B 'invasion':14 'kaiju':9C,10C 'monster':7C 'monsters':18 'of':15 'planet':3A 'soundtrack':22 'the':16 'to':2A,21 'video':23 'x':4A 'zero':8C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['classical', 'japanese', 'soundtrack', 'composer', 'contemporary classical']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555493.833107  (2021-12-03 19:18:13)
                             'size'  1871828