======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '364'
                                          'artist'  '香奈'
                                     'text_people'  ''
                                         'release'  '動物的人間'
                                           'title'  '桃\u3000ー芽がはえた式ー'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gothic lolita', 'visual kei', 'female vocalists', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '85.0'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     '動物的人間'
'TBPM' (BPM (beats per minute))                     '85.0'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-09-21'
'TIT2' (Title/songname/content description)         '桃\u3000ー芽がはえた式ー'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Moon Kana'
'TPE2' (Band/orchestra/accompaniment)               '香奈'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Kana'
'TSOP' (Performer sort order)                       'Kana'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '084,180'
'TXXX:MP3GAIN_UNDO'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist'                     '香奈'
'TXXX:MusicBrainz Album Artist Id'                  'b925efe8-90f9-47f0-8bc3-cb71840af31e'
'TXXX:MusicBrainz Album Artist Sortname'            'Kana'
'TXXX:MusicBrainz Album Id'                         'e0de9ca0-94b6-4425-a241-a5262e641104'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b925efe8-90f9-47f0-8bc3-cb71840af31e'
'TXXX:MusicBrainz Non-Album'                        '0'
'TXXX:MusicIP PUID'                                 '0dd8c437-a383-5b05-1c85-cf8003b2b32b'
'TXXX:MusicMagic Data'                              'AgEAgnRskLSoSLwVgeHaGlHKg/qCxI0Z8Zaf8lLEpznu0oABpkLvda3rzSWZH6n8gqekkxr4upM5pdDTgNTJAfqn6xrSI/KogAKAAZaAnKyvwIJo/KYsRoRvglWLONx6nllUZL7q/LyaN5Fr5Rm0urzSqV61ToGvjz4eyZJBNTTfTqKwzHf3S+cBwE/2ro5CgqA='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['gothic lolita', 'visual kei', 'female vocalists', 'japanese', 'j rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.406351'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e92b4d93-eeda-4805-87c1-e3787dba30ca')

========================== row from database ==========================
                                              'id'  1475808
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Kana/__ - __nituite_u _____ - 12 - _-_gahaeta_-.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  364
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  8758658
                                           'mtime'  1621695824
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Kana __ __nituite_u _____ 12 _ _gahaeta_ loc asia japan;loc asia japan jpop
                                      'tag_artist'  香奈
                                     'tag_release'  動物的人間
                                       'tag_title'  桃　ー芽がはえた式ー
                                             'bpm'  85.0
                                    'search_title'  'ー芽がはえた式ー':2 '桃':1 '芽kahaeta式':3
                                   'search_artist'  '香奈':1
                                  'search_release'  '動物的人間':1
                                     'search_rest'  '00asia':1 'asia':7 'gahaeta':5 'japan':8,10,12 'jpop':13 'kana':2 'loc':6,9,11 'nituite':3 'u':4
                                    'search_combo'  '00asia':6 'asia':12 'gahaeta':10 'japan':13,15,17 'jpop':18 'kana':7 'loc':11,14,16 'nituite':8 'u':9 'ー芽がはえた式ー':2A '動物的人間':5C '桃':1A '芽kahaeta式':3A '香奈':4B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['gothic lolita', 'visual kei', 'female vocalists', 'japanese', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695823.526138  (2021-05-22 17:03:43)
                             'size'  8758658