======================== unified (from filesystem) ========================
                                         'bitrate'  '227.223'
                                        'duration'  '250'
                                          'artist'  'Akira Yamaoka'
                                     'text_people'  ''
                                         'release'  'iFUTURELIST'
                                           'title'  'Empty of the Sky'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  ("['video game music', 'japanese', 'soundtrack', 'silent hill', 'ambient', "
 "'dark ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '91.144'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'iFUTURELIST'
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Empty of the Sky'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Akira Yamaoka'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['video game music',
 'japanese',
 'soundtrack',
 'silent hill',
 'ambient',
 'dark ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.387914'

========================== row from database ==========================
                                              'id'  257798
                                            'path'  /data/Music/Bulk/0soundtrack/Akira Yamaoka/09 Akira Yamaoka - Empty of the Sky (from iFuturelist).mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  250
                                           'genre'  soundtrack-video
                                        'filesize'  7122573
                                           'mtime'  1620332601
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 09 (from iFuturelist) soundtrack video
                                      'tag_artist'  Akira Yamaoka
                                     'tag_release'  iFUTURELIST
                                       'tag_title'  Empty of the Sky
                                             'bpm'  91.144
                                    'search_title'  'empty':1 'of':2 'sky':4 'the':3
                                   'search_artist'  'akira':1 'yamaoka':2
                                  'search_release'  'futurelist':3 'i':2 'ifuturelist':1
                                     'search_rest'  '0soundtrack':1 'from':2,3 'futurelist':9,10 'i':8 'ifuturelist':4,5 'soundtrack':6 'video':7
                                    'search_combo'  '0soundtrack':10 'akira':5B 'empty':1A 'from':11,12 'futurelist':9C,18,19 'i':8C,17 'ifuturelist':7C,13,14 'of':2A 'sky':4A 'soundtrack':15 'the':3A 'video':16 'yamaoka':6B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['video game music', 'japanese', 'soundtrack', 'silent hill', 'ambient', 'dark ambient']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620332600.5220342  (2021-05-06 22:23:20)
                             'size'  7122573