======================== unified (from filesystem) ========================
                                         'bitrate'  '215.149'
                                        'duration'  '327'
                                          'artist'  'IOSYS'
                                     'text_people'  ''
                                         'release'  '東方月燈籠'
                                           'title'  '白玉楼 ~ 幽冥の住人は割と少ない'
                                           'quals'  ("['Q-HAP-3', '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['doujin', 'touhou', 'electronic', 'japanese', 'j core']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jpop'
                                             'bpm'  '138'
                                             'key'  '4A'
                                        'acoustid'  '0017894b-6227-43d1-9f94-b13308f48ed9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '東方月燈籠'
'TBPM' (BPM (beats per minute))                     '138'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jpop']
'TDOR' (Original release time)                      '2006'
'TDRC' (Recording time)                             '2006-12-31'
'TIT2' (Title/songname/content description)         '白玉楼 ~ 幽冥の住人は割と少ない'
'TKEY' (Initial key)                                '4A'
'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)               '15/16'
'TSO2'                                              'IOSYS'
'TSOP' (Performer sort order)                       'IOSYS'
'TXXX:Acoustid Id'                                  '0017894b-6227-43d1-9f94-b13308f48ed9'
'TXXX:Artists'                                      'IOSYS'
'TXXX:CATALOGNUMBER'                                'IO-0117'
'TXXX:MusicBrainz Album Artist Id'                  '9a4cafe7-3349-404b-a268-780e911d1801'
'TXXX:MusicBrainz Album Id'                         '248cf052-2345-45b1-ac4f-599bc9ba7532'
'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'                 '736fa650-b189-3749-b5fa-e68db7609cba'
'TXXX:MusicBrainz Release Track Id'                 'a3ec8e4b-25d1-3e02-95ed-4386178f74b0'
'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:discogstags'                                  ['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']
'TXXX:lastfmtags'                                   ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
'TXXX:originalyear'                                 '2006'
'TXXX:q-bass'                                       '3'
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.58 dB'
'TXXX:replaygain_track_peak'                        '0.416066'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'143b7dee-0079-4214-a713-334ad7ef69b9')

========================== row from database ==========================
                                              'id'  1515543
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/IOSYS/IOSYS - Hakugyokurou ~ There Aren_t Many Netherworld Dwellers.mp3
                                         'working'  None
                                         'bitrate'  215
                                    'duration_sec'  327
                                           'genre'  loc-asia-japan;loc-asia-japan-jpop
                                        'filesize'  8882484
                                           'mtime'  1622821760
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Hakugyokurou There Aren_t Many Netherworld Dwellers loc asia japan;loc asia japan jpop
                                      'tag_artist'  IOSYS
                                     'tag_release'  東方月燈籠
                                       'tag_title'  白玉楼 ~ 幽冥の住人は割と少ない
                                             'bpm'  138.0
                                    'search_title'  '幽冥no住人ha割to少nai':3 '幽冥の住人は割と少ない':2 '白玉楼':1
                                   'search_artist'  'iosys':1
                                  'search_release'  '東方月燈籠':1
                                     'search_rest'  '00asia':1 'aren':4 'asia':10 'dwellers':8 'hakugyokurou':2 'japan':11,13,15 'jpop':16 'loc':9,12,14 'many':6 'netherworld':7 't':5 'there':3
                                    'search_combo'  '00asia':6 'aren':9 'asia':15 'dwellers':13 'hakugyokurou':7 'iosys':4B 'japan':16,18,20 'jpop':21 'loc':14,17,19 'many':11 'netherworld':12 't':10 'there':8 '幽冥no住人ha割to少nai':3A '幽冥の住人は割と少ない':2A '東方月燈籠':5C '白玉楼':1A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['doujin', 'touhou', 'electronic', 'japanese', 'j core']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'pop', 'j-pop', 'idm', 'hard trance', 'indie rock']

============================== file details ==============================
                                           'mtime'  1622821759.505955  (2021-06-04 17:49:19)
                             'size'  8882484