======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'metronome'
                                     'text_people'  ''
                                         'release'  '妄想ﾄﾘｯｸ [single]'
                                           'title'  '我思う末に、我有り'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'Q-SYN-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk'
                                             'bpm'  '100.009'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '妄想ﾄﾘｯｸ [single]'
'TBPM' (BPM (beats per minute))                     '100.009'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-synthpunk',
 'loc-asia-japan',
 'rock-gr-punk-jpunk',
 'loc-asia-japan-jpunk']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         '我思う末に、我有り'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'metronome'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
'TXXX:other'                                        '2004'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.451297'

========================== row from database ==========================
                                              'id'  928704
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/metronome/[2004] 妄想ﾄﾘｯｸ [single]/02 我思う末に、我有り.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  electronic-we-synthpunk;loc-asia-japan;rock-gr-punk-jpunk;loc-asia-japan-jpunk
                                        'filesize'  3849824
                                           'mtime'  1620530973
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2004] 02 electronic we synthpunk;loc asia japan;rock gr punk jpunk;loc asia japan jpunk
                                      'tag_artist'  metronome
                                     'tag_release'  妄想ﾄﾘｯｸ [single]
                                       'tag_title'  我思う末に、我有り
                                             'bpm'  100.009
                                    'search_title'  '我思u末ni':3,4 '我思う末に':1 '我有ri':5 '我有り':2
                                   'search_artist'  'metronome':1
                                  'search_release'  'single':3,4 '妄想torituku':2 '妄想ﾄﾘｯｸ':1
                                     'search_rest'  '00asia':1 '2004':2,3 'asia':10 'electronic':4 'gr':15 'japan':11,13,21 'jpunk':17,19,22 'loc':7,9,18,20 'punk':16 'rock':12,14 'synthpunk':6,8 'we':5
                                    'search_combo'  '00asia':11 '2004':12,13 'asia':20 'electronic':14 'gr':25 'japan':21,23,31 'jpunk':27,29,32 'loc':17,19,28,30 'metronome':6B 'punk':26 'rock':22,24 'single':9C,10C 'synthpunk':16,18 'we':15 '妄想torituku':8C '妄想ﾄﾘｯｸ':7C '我思u末ni':3A,4A '我思う末に':1A '我有ri':5A '我有り':2A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'Q-SYN-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'angura kei', 'japanese', 'visual kei', 'j-rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620530973.4742517  (2021-05-09 05:29:33)
                             'size'  3849824