======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'ZI:KILL'
                                     'text_people'  ''
                                         'release'  'ROCKET'
                                           'title'  'ナニモイラナイ'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-2', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['post punk', 'rock', 'visual kei', 'japanese', 'j rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan-jrock-visualkei;set-pl-sced'
                                             'bpm'  '112.383'
                                             'key'  '10A'
                                        'acoustid'  'bca661e6-477c-4a30-9b3f-89216fe1f5b3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000A34 00000ABD 00007BE8'
'COMM:iTunNORM:eng'                                 (' 00000A34 00000ABD 00007BE8 00009B13 00005329 00006363 000080FE 000081F2 '
 '00021EC1 0001A3B1')
'COMM:iTunes_CDDB_1:eng'                            '830A810A+201837+10+150+19080+41717+62580+79265+100150+119390+136450+152590+178957'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '6'
'TALB' (Album/Movie/Show title)                     'ROCKET'
'TBPM' (BPM (beats per minute))                     '112.383'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan-jrock-visualkei', 'set-pl-sced']
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993-06-09'
'TENC' (Encoded by)                                 'iTunes v4.8.0.32'
'TIT2' (Title/songname/content description)         'ナニモイラナイ'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'ZI:KILL'
'TPE2' (Band/orchestra/accompaniment)               'ZI:KILL'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'ZI:KILL'
'TSOP' (Performer sort order)                       'ZI:KILL'
'TXXX:Acoustid Id'                                  'bca661e6-477c-4a30-9b3f-89216fe1f5b3'
'TXXX:Artists'                                      'ZI:KILL'
'TXXX:MusicBrainz Album Artist Id'                  'fb57da84-d2fd-415e-84fa-2d47b6d0423b'
'TXXX:MusicBrainz Album Id'                         '22e52c01-66b0-4bc4-8d6b-183fe89620aa'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fb57da84-d2fd-415e-84fa-2d47b6d0423b'
'TXXX:MusicBrainz Release Group Id'                 '14c1ead0-9b89-3174-9c7f-32510bdaab57'
'TXXX:MusicBrainz Release Track Id'                 '48d1cc3d-fa0c-30f0-aadf-297dfd6df327'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Jpan'
'TXXX:lastfmtags'                                   ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
'TXXX:originalyear'                                 '1993'
'TXXX:other'                                        '1993'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.01 dB'
'TXXX:replaygain_track_peak'                        '0.474025'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'aca12ebf-a152-4401-9116-5f4b056c803d')

========================== row from database ==========================
                                              'id'  922731
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ZI_KILL/[1993] ROCKET/06 ナニモイラナイ.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  loc-asia-japan-jrock-visualkei;set-pl-sced
                                        'filesize'  6171784
                                           'mtime'  1623430472
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia ZI_KILL [1993] 06 loc asia japan jrock visualkei;set pl sced
                                      'tag_artist'  ZI:KILL
                                     'tag_release'  ROCKET
                                       'tag_title'  ナニモイラナイ
                                             'bpm'  112.383
                                    'search_title'  'nanimoiranai':2 'ナニモイラナイ':1
                                   'search_artist'  'kill':2 'zi':1 'zikill':3
                                  'search_release'  'rocket':1
                                     'search_rest'  '00asia':1 '1993':4,5 'asia':7 'japan':8 'jrock':9 'kill':3 'loc':6 'pl':14 'sced':15 'set':11,13 'visualkei':10,12 'zi':2
                                    'search_combo'  '00asia':7 '1993':10,11 'asia':13 'japan':14 'jrock':15 'kill':4B,9 'loc':12 'nanimoiranai':2A 'pl':20 'rocket':6C 'sced':21 'set':17,19 'visualkei':16,18 'zi':3B,8 'zikill':5B 'ナニモイラナイ':1A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post punk', 'rock', 'visual kei', 'japanese', 'j rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623430471.8262649  (2021-06-11 18:54:31)
                             'size'  6171784