======================== unified (from filesystem) ========================
                                         'bitrate'  '177.61'
                                        'duration'  '279'
                                          'artist'  'IOSYS'
                                     'text_people'  ''
                                         'release'  '東方月燈籠セーフ!'
                                           'title'  'U.N.オーエンが彼女だったとしたら?'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['doujin', 'touhou', 'electronic', 'japanese', 'j core']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '16'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '138.323'
                                             'key'  '5A'
                                        'acoustid'  '813f231c-a393-4328-aeb7-5397c0c71e63'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '東方月燈籠セーフ!'
'TBPM' (BPM (beats per minute))                     '138.323'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-04-01'
'TIT2' (Title/songname/content description)         'U.N.オーエンが彼女だったとしたら?'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'IOSYS'
'TPE2' (Band/orchestra/accompaniment)               'IOSYS'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'IOSYS'
'TRCK' (Track number/Position in set)               '9/16'
'TSO2'                                              'IOSYS'
'TSOP' (Performer sort order)                       'IOSYS'
'TXXX:Acoustid Id'                                  '813f231c-a393-4328-aeb7-5397c0c71e63'
'TXXX:Artists'                                      'IOSYS'
'TXXX:CATALOGNUMBER'                                'IO-0148'
'TXXX:MusicBrainz Album Artist Id'                  '9a4cafe7-3349-404b-a268-780e911d1801'
'TXXX:MusicBrainz Album Id'                         'bf00deb8-4d8e-4f27-9d7b-32129c18391b'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9a4cafe7-3349-404b-a268-780e911d1801'
'TXXX:MusicBrainz Release Group Id'                 '1bcdd467-3501-4770-96fa-c561c0a84e09'
'TXXX:MusicBrainz Release Track Id'                 'a0038b73-3523-3ea0-bf51-8a0008e8f681'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.542441'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'470e3163-5de3-4fb5-85d8-08bae5a085aa')

========================== row from database ==========================
                                              'id'  926582
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/IOSYS/IOSYS - What If She Was U.N. Owen .mp3
                                         'working'  None
                                         'bitrate'  177
                                    'duration_sec'  279
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  6292055
                                           'mtime'  1622821759
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia What If She Was Owen loc asia japan;loc asia japan jpop
                                      'tag_artist'  IOSYS
                                     'tag_release'  東方月燈籠セーフ!
                                       'tag_title'  U.N.オーエンが彼女だったとしたら?
                                             'bpm'  138.323
                                    'search_title'  'n':2,6 'oenka彼女tatutatositara':7 'u':1,5 'unoenka彼女tatutatositara':8 'unオーエンが彼女だったとしたら':4 'オーエンが彼女だったとしたら':3
                                   'search_artist'  'iosys':1
                                  'search_release'  '東方月燈籠sehu':2 '東方月燈籠セーフ':1
                                     'search_rest'  '00asia':1 'asia':8 'if':3 'japan':9,11,13 'jpop':14 'loc':7,10,12 'owen':6 'she':4 'was':5 'what':2
                                    'search_combo'  '00asia':12 'asia':19 'if':14 'iosys':9B 'japan':20,22,24 'jpop':25 'loc':18,21,23 'n':2A,6A 'oenka彼女tatutatositara':7A 'owen':17 'she':15 'u':1A,5A 'unoenka彼女tatutatositara':8A 'unオーエンが彼女だったとしたら':4A 'was':16 'what':13 'オーエンが彼女だったとしたら':3A '東方月燈籠sehu':11C '東方月燈籠セーフ':10C
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622821758.9269292  (2021-06-04 17:49:18)
                             'size'  6292055