======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '274'
                                          'artist'  '香奈'
                                     'text_people'  ''
                                         'release'  '動物的人間'
                                           'title'  '空中舞乱孤'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', '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'  '9'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '90.3'
                                             'key'  '11A'
                                        '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))                     '90.3'
'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)         '空中舞乱孤'
'TKEY' (Initial key)                                '11A'
'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)               '9/12'
'TSO2'                                              'Kana'
'TSOP' (Performer sort order)                       'Kana'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '083,179'
'TXXX:MP3GAIN_UNDO'                                 '+007,+007,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'                                 'b1371994-7671-13ca-6f4a-2de249b6e276'
'TXXX:MusicMagic Data'                              'AgEAdWdzk8yadKu6gZHiLkiVgAGCC4wyzi2fGWh7weUcvrM0mn3U/LFOj7uRUJ11ghKAAVQZjLRdl9s1+6rUQekM7fXCxiX3gAKAAZaAnKyvwIJo/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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                        '-0.80 dB'
'TXXX:replaygain_track_peak'                        '0.344828'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd806b836-adc6-4b1e-abd5-c0f4871fc176')

========================== row from database ==========================
                                              'id'  1476300
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Kana/__ - __nituite_u _____ - 09 - _____.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  274
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6596419
                                           'mtime'  1621695823
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Kana __ __nituite_u _____ 09 _____ loc asia japan;loc asia japan jpop
                                      'tag_artist'  香奈
                                     'tag_release'  動物的人間
                                       'tag_title'  空中舞乱孤
                                             'bpm'  90.3
                                    'search_title'  '空中舞乱孤':1
                                   'search_artist'  '香奈':1
                                  'search_release'  '動物的人間':1
                                     'search_rest'  '00asia':1 'asia':6 'japan':7,9,11 'jpop':12 'kana':2 'loc':5,8,10 'nituite':3 'u':4
                                    'search_combo'  '00asia':4 'asia':9 'japan':10,12,14 'jpop':15 'kana':5 'loc':8,11,13 'nituite':6 'u':7 '動物的人間':3C '空中舞乱孤':1A '香奈':2B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  11A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['gothic lolita', 'visual kei', 'female vocalists', 'japanese', 'j rock']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695823.3266547  (2021-05-22 17:03:43)
                             'size'  6596419