======================== unified (from filesystem) ========================
                                         'bitrate'  '249.762'
                                        'duration'  '349'
                                          'artist'  'GO!GO!7188'
                                     'text_people'  ''
                                         'release'  '竜舌蘭'
                                           'title'  '二つの足音'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', '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-1']")
                                      'lastfmtags'  "['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock;set-pl-sced'
                                             'bpm'  '112'
                                             'key'  '11B'
                                        'acoustid'  '47b50535-2514-4d1b-ba6e-78c8ca3feae4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000FAF 00000F35 00005945'
'COMM:iTunNORM:eng'                                 (' 00000FAF 00000F35 00005945 0000598F 00048792 00048792 00007C59 00007BB0 '
 '00038158 00038158')
'TALB' (Album/Movie/Show title)                     '竜舌蘭'
'TBPM' (BPM (beats per minute))                     '112'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'rock-pop-jrock', 'loc-asia-japan-jrock', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-10-27'
'TIT2' (Title/songname/content description)         '二つの足音'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'GO!GO!7188'
'TPE2' (Band/orchestra/accompaniment)               'GO!GO!7188'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'EXPRESS'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'GO!GO!7188'
'TSOP' (Performer sort order)                       'GO!GO!7188'
'TXXX:ASIN'                                         'B0002VL8IK'
'TXXX:Acoustid Id'                                  '47b50535-2514-4d1b-ba6e-78c8ca3feae4'
'TXXX:Artists'                                      'GO!GO!7188'
'TXXX:BARCODE'                                      '4988006193703'
'TXXX:CATALOGNUMBER'                                'TOCT-25489'
'TXXX:MusicBrainz Album Artist Id'                  'b87963a8-451b-4b19-b200-e6e91113bd0f'
'TXXX:MusicBrainz Album Id'                         '29e880dd-d4cc-4297-87cb-7282ad3877d3'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b87963a8-451b-4b19-b200-e6e91113bd0f'
'TXXX:MusicBrainz Release Group Id'                 '3643b2fd-e9d2-3c12-aef0-56d4ec6a6b0b'
'TXXX:MusicBrainz Release Track Id'                 'c34e75a7-8a12-352e-82b5-11414ea42fec'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.359674'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'765bd8e7-fd12-468f-adbd-c74a7cddba83')

========================== row from database ==========================
                                              'id'  929171
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/GO!GO!7188/[2004] 竜舌蘭/04 二つの足音.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  349
                                           'genre'  loc-asia-japan;rock-pop-jrock;loc-asia-japan-jrock;set-pl-sced
                                        'filesize'  10978283
                                           'mtime'  1621700432
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2004] 04 loc asia japan;rock pop jrock;loc asia japan jrock;set pl sced
                                      'tag_artist'  GO!GO!7188
                                     'tag_release'  竜舌蘭
                                       'tag_title'  二つの足音
                                             'bpm'  112.0
                                    'search_title'  '二tuno足音':2 '二つの足音':1
                                   'search_artist'  '7188':3 'go':1,2
                                  'search_release'  '竜舌蘭':1
                                     'search_rest'  '00asia':1 '2004':2,3 'asia':5 'japan':6,8,15 'jrock':11,13,16,18 'loc':4,12,14 'pl':20 'pop':10 'rock':7,9 'sced':21 'set':17,19
                                    'search_combo'  '00asia':7 '2004':8,9 '7188':5B 'asia':11 'go':3B,4B 'japan':12,14,21 'jrock':17,19,22,24 'loc':10,18,20 'pl':26 'pop':16 'rock':13,15 'sced':27 'set':23,25 '二tuno足音':2A '二つの足音':1A '竜舌蘭':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11B
                                           '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jrock', 'rock', 'female vocalists', 'japanese', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621700431.7928834  (2021-05-22 18:20:31)
                             'size'  10978283