======================== unified (from filesystem) ========================
                                         'bitrate'  '170.01'
                                        'duration'  '592'
                                          'artist'  '灰野敬二'
                                     'text_people'  ''
                                         'release'  'Black Blues [electric]'
                                           'title'  'See That My Grave Is Kept Clean'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', '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-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['noise', 'japanese', 'drone', 'avant garde', 'japanoise', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '6'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;set-pl-sced'
                                             'bpm'  '141.909'
                                             'key'  '1A'
                                        'acoustid'  'f6aadcc4-3203-4e33-bf43-ee9ef24149dd'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '[Haino Keiji]'
'COMM:ID3v1 Comment:XXX'                            '[Haino Keiji]'
'COMM:iTunNORM:eng'                                 (' 00000EAC 0000079F 0000A31B 00003BA0 000506F1 000506DA 00008000 00007732 '
 '00028F08 000506DA')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x008\x006\x007\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x005\x000\x007\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x002\x005\x004\x008\x003\x006\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x007\x008\x006\x007\x008\x005\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x005\x000\x007\x003\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x008\x002\x005\x004\x008\x003\x006\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ÕÐ&?\x1dDªF\x9d|âð¨0ÿ'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd5\xd0&?\x1dD\xaaF\x9d|\xe2\xf0\xc2\xa80\xff')
'PRIV:WM/WMCollectionID:ÕÐ&?\x1dDªF\x9d|âð¨0ÿ'     PRIV(owner='WM/WMCollectionID', data=b'\xd5\xd0&?\x1dD\xaaF\x9d|\xe2\xf0\xc2\xa80\xff')
'PRIV:WM/WMContentID:\\~W\x12T{{F©\x0eBF\x99\x06ÿ='  PRIV(owner='WM/WMContentID', data=b'\\~W\x12T{{F\xa9\x0eBF\x99\x06\xff=')
'TALB' (Album/Movie/Show title)                     'Black Blues [electric]'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-05-24'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'See That My Grave Is Kept Clean'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Kaji Haino'
'TPE2' (Band/orchestra/accompaniment)               '灰野敬二'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "Les Disques du Soleil et de l'Acier"
'TRCK' (Track number/Position in set)               '6/6'
'TSO2'                                              'Haino, Keiji'
'TSOP' (Performer sort order)                       'Haino, Keiji'
'TXXX:ASIN'                                         'B00026WSNE'
'TXXX:Acoustid Id'                                  'f6aadcc4-3203-4e33-bf43-ee9ef24149dd'
'TXXX:Artists'                                      '灰野敬二'
'TXXX:BARCODE'                                      '3700078411179'
'TXXX:CATALOGNUMBER'                                'DSA54088'
'TXXX:MusicBrainz Album Artist Id'                  '00f58b1e-fdb3-4971-8cb0-dc5a3f188ade'
'TXXX:MusicBrainz Album Id'                         '2a32f2e1-026c-4c87-9f60-669130e61d2b'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '00f58b1e-fdb3-4971-8cb0-dc5a3f188ade'
'TXXX:MusicBrainz Release Group Id'                 '131014b7-ed26-3dc4-bbba-72c74f6547a5'
'TXXX:MusicBrainz Release Track Id'                 '5b199e77-06f7-3c45-b68f-45162126f928'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['noise', 'japanese', 'drone', 'avant garde', 'japanoise', 'experimental']
'TXXX:originalyear'                                 '2004'
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.18 dB'
'TXXX:replaygain_track_peak'                        '0.395858'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'32ce955e-ce3c-47bf-a258-bf31c68e13f6')

========================== row from database ==========================
                                              'id'  928666
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/灰野敬二/[2004] Black Blues (Violent Version)/06 See That My Grave Is Kept Clean.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  592
                                           'genre'  loc-asia-japan;set-pl-sced
                                        'filesize'  12636419
                                           'mtime'  1637019866
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia [2004] (Violent Version) 06 loc asia japan;set pl sced
                                      'tag_artist'  灰野敬二
                                     'tag_release'  Black Blues [electric]
                                       'tag_title'  See That My Grave Is Kept Clean
                                             'bpm'  141.909
                                    'search_title'  'clean':7 'grave':4 'is':5 'kept':6 'my':3 'see':1 'that':2
                                   'search_artist'  '灰野敬二':1
                                  'search_release'  'black':1 'blues':2 'electric':3,4
                                     'search_rest'  '00asia':1 '2004':2,3 'asia':9 'japan':10,12 'loc':8 'pl':14 'sced':15 'set':11,13 'version':6,7 'violent':4,5
                                    'search_combo'  '00asia':13 '2004':14,15 'asia':21 'black':9C 'blues':10C 'clean':7A 'electric':11C,12C 'grave':4A 'is':5A 'japan':22,24 'kept':6A 'loc':20 'my':3A 'pl':26 'sced':27 'see':1A 'set':23,25 'that':2A 'version':18,19 'violent':16,17 '灰野敬二':8B
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'japanese', 'drone', 'avant garde', 'japanoise', 'experimental']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637019865.8806846  (2021-11-16 00:44:25)
                             'size'  12636419