======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '306'
                                          'artist'  '香奈'
                                     'text_people'  ''
                                         'release'  '動物的人間'
                                           'title'  '乳'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gothic lolita', 'visual kei', 'female vocalists', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '119.3'
                                             'key'  '10A'
                                        '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))                     '119.3'
'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)         '乳'
'TKEY' (Initial key)                                '10A'
'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)               '4/12'
'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'                                 'c6e45a15-39f4-51fa-6c11-ef0a0f39085c'
'TXXX:MusicMagic Data'                              'AgEAdWyXi2ie/q9SgfgNJi0Kg2KBqpKEzEKVi13St8X0ScHVpkLQ87XXw1+eDLkag5bJJRSvhJRFy/DkgX/Ts/Y66vq+APXFnyGWUpaAnKyvwIJo/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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.392151'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'287f6a9f-8a23-4dac-8704-ba9c769a4927')

========================== row from database ==========================
                                              'id'  1475949
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Kana/__ - __nituite_u _____ - 04 - _(mirukii).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  306
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  7357045
                                           'mtime'  1621695823
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Kana __ __nituite_u _____ 04 _(mirukii) loc asia japan;loc asia japan jpop
                                      'tag_artist'  香奈
                                     'tag_release'  動物的人間
                                       'tag_title'  乳
                                             'bpm'  119.3
                                    'search_title'  '乳':1
                                   'search_artist'  '香奈':1
                                  'search_release'  '動物的人間':1
                                     'search_rest'  '00asia':1 'asia':8 'japan':9,11,13 'jpop':14 'kana':2 'loc':7,10,12 'mirukii':5,6 'nituite':3 'u':4
                                    'search_combo'  '00asia':4 'asia':11 'japan':12,14,16 'jpop':17 'kana':5 'loc':10,13,15 'mirukii':8,9 'nituite':6 'u':7 '乳':1A '動物的人間':3C '香奈':2B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', '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'  1621695822.8802428  (2021-05-22 17:03:42)
                             'size'  7357045