======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '281'
                                          'artist'  'Klaha'
                                     'text_people'  ''
                                         'release'  'Setsubou'
                                           'title'  'Hizashi [Ray of Sunlight]'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']"
                                     'discogstags'  "['j-pop', 'pop', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia'
                                             'bpm'  '135.910'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 0000095D 00000952 0000372E'
'COMM:iTunNORM:eng'                                 (' 0000095D 00000952 0000372E 0000314C 0001D505 0001D505 00007CA2 00008000 '
 '00035B8E 00015FBE')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Setsubou'
'TBPM' (BPM (beats per minute))                     '135.910'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Hizashi [Ray of Sunlight]'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Klaha'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['j-pop', 'pop', 'ballad']
'TXXX:lastfmtags'                                   ['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.469239'

========================== row from database ==========================
                                              'id'  415403
                                            'path'  /data/Music/Bulk/00localcharacter/Klaha/Setsubou/01 Hizashi [Ray of Sunlight].mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  281
                                           'genre'  loc-asia
                                        'filesize'  6750725
                                           'mtime'  1652397838
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 01 loc asia
                                      'tag_artist'  Klaha
                                     'tag_release'  Setsubou
                                       'tag_title'  Hizashi [Ray of Sunlight]
                                             'bpm'  135.91
                                    'search_title'  'hizashi':1 'of':4 'ray':2,3 'sunlight':5,6
                                   'search_artist'  'klaha':1
                                  'search_release'  'setsubou':1
                                     'search_rest'  'asia':2 'loc':1
                                    'search_combo'  'asia':10 'hizashi':1A 'klaha':7B 'loc':9 'of':4A 'ray':2A,3A 'setsubou':8C 'sunlight':5A,6A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'q-syn-2', 'Q-PLAY-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'Q-PIANO-2', 'q-chart-1', 'q-drums-3', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['j pop', 'jrock', 'visual kei', 'japanese', 'jpop', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['j-pop', 'pop', 'ballad']

============================== file details ==============================
                                           'mtime'  1652397838.497479  (2022-05-13 01:23:58)
                             'size'  6750725