======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '81'
                                          'artist'  'Hellsing Original Soundtrack'
                                     'text_people'  ''
                                         'release'  'Raid'
                                           'title'  'Shine (Ending Edit)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'Q-UNU-2', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'jazz', 'anime', 'hellsing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'soundtrack-video-series'
                                             'bpm'  '115.854'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '\r\n'
'COMM:ID3v1 Comment:XXX'                            '\r\n'
'COMM:iTunNORM:eng'                                 (' 00000B1D 00000D9A 000033AD 00002C27 0000FD7C 0000FD7C 0000787C 000073ED '
 '0000BDE9 0000BE00')
'TALB' (Album/Movie/Show title)                     'Raid'
'TBPM' (BPM (beats per minute))                     '115.854'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video-series'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Shine (Ending Edit)'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Hellsing Original Soundtrack'
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'jazz', 'anime', 'hellsing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.95 dB'
'TXXX:replaygain_track_peak'                        '0.404013'

========================== row from database ==========================
                                              'id'  258924
                                            'path'  /data/Music/Bulk/0soundtrack/Hellsing (anime ost)/Hellsing OST 1/20-Hellsing Original Soundtrack-Shine (Ending Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  81
                                           'genre'  soundtrack-video-series
                                        'filesize'  3243636
                                           'mtime'  1637522303
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack (anime ost) OST 1 20 soundtrack video series
                                      'tag_artist'  Hellsing Original Soundtrack
                                     'tag_release'  Raid
                                       'tag_title'  Shine (Ending Edit)
                                             'bpm'  115.854
                                    'search_title'  'edit':4,5 'ending':2,3 'shine':1
                                   'search_artist'  'hellsing':1 'original':2 'soundtrack':3
                                  'search_release'  'raid':1
                                     'search_rest'  '0soundtrack':1 '1':6 '20':7 'anime':2,3 'ost':4,5 'series':10 'soundtrack':8 'video':9
                                    'search_combo'  '0soundtrack':10 '1':15 '20':16 'anime':11,12 'edit':4A,5A 'ending':2A,3A 'hellsing':6B 'original':7B 'ost':13,14 'raid':9C 'series':19 'shine':1A 'soundtrack':8B,17 'video':18
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'jazz', 'anime', 'hellsing']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637522302.7460425  (2021-11-21 20:18:22)
                             'size'  3243636