======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '243'
                                          'artist'  'Yoko Kanno'
                                     'text_people'  ''
                                         'release'  'Escaflowne OST (The Movie)'
                                           'title'  'Regret'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '129.481'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Escaflowne OST (The Movie)'
'TBPM' (BPM (beats per minute))                     '129.481'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TIT2' (Title/songname/content description)         'Regret'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yoko Kanno'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.14 dB'
'TXXX:replaygain_track_peak'                        '0.519960'

========================== row from database ==========================
                                              'id'  257520
                                            'path'  /data/Music/Bulk/0soundtrack/Yoko Kanno/MBZ;#Yoko Kanno;#Escaflowne OST (The Movie);#08;#Regret.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  243
                                           'genre'  soundtrack-video
                                        'filesize'  5861994
                                           'mtime'  1620334419
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack MBZ;#Yoko Kanno;#Escaflowne Movie);#08;#Regret soundtrack video
                                      'tag_artist'  Yoko Kanno
                                     'tag_release'  Escaflowne OST (The Movie)
                                       'tag_title'  Regret
                                             'bpm'  129.481
                                    'search_title'  'regret':1
                                   'search_artist'  'kanno':2 'yoko':1
                                  'search_release'  'escaflowne':1 'movie':5,6 'ost':2 'the':3,4
                                     'search_rest'  '08':11,14 '0soundtrack':1 'escaflowne':7,9 'kanno':6,8 'mbz':2,4 'movie':10,13 'regret':12,15 'soundtrack':16 'video':17 'yoko':3,5
                                    'search_combo'  '08':20,23 '0soundtrack':10 'escaflowne':4C,16,18 'kanno':3B,15,17 'mbz':11,13 'movie':8C,9C,19,22 'ost':5C 'regret':1A,21,24 'soundtrack':25 'the':6C,7C 'video':26 'yoko':2B,12,14
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'japanese', 'anime', 'jazz', 'instrumental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620334418.5564563  (2021-05-06 22:53:38)
                             'size'  5861994