======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'ORANGE RANGE'
                                     'text_people'  ''
                                         'release'  'musiQ'
                                           'title'  'Chest'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']"
                                     'discogstags'  "['alternative rock', 'j-pop', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '19'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '104'
                                             'key'  '9A'
                                        'acoustid'  'a7bfda57-0c01-439b-890e-251d4cab3ad3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 000020D3 0000246D 00006616'
'COMM:iTunNORM:eng'                                 (' 000020D3 0000246D 00006616 00005E8F 0001D505 00015FD5 00008000 00008000 '
 '00004E20 00009C57')
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x003\x00+\x009\x006\x00+\x00E\x009\x006\x00+\x003\x005\x00B\x006\x00+\x006\x00F\x006\x003\x00+\x00B\x001\x00D\x00D\x00+\x00F\x005\x007\x00C\x00+\x001\x001\x00B\x00F\x003\x00+\x001\x006\x009\x00D\x001\x00+\x001\x00B\x000\x006\x000\x00+\x001\x00E\x008\x00D\x002\x00+\x002\x002\x006\x003\x002\x00+\x002\x008\x003\x001\x001\x00+\x002\x00C\x00D\x006\x006\x00+\x002\x00F\x004\x00C\x007\x00+\x003\x003\x002\x00E\x009\x00+\x003\x007\x00E\x000\x003\x00+\x003\x00B\x000\x005\x003\x00+\x003\x00F\x00A\x005\x007\x00+\x004\x004\x00F\x004\x00D\x00+\x004\x008\x00B\x005\x00B\x00\x00\x00')
'PRIV:AverageLevel:z*\x00\x00'                      PRIV(owner='AverageLevel', data=b'z*\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'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:C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x94u\x1c?òCfG¸\x94\x06§)\nss'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x94u\x1c?\xf2CfG\xb8\x94\x06\xa7)\nss')
'PRIV:WM/WMCollectionID:\x94u\x1c?òCfG¸\x94\x06§)\nss'  PRIV(owner='WM/WMCollectionID', data=b'\x94u\x1c?\xf2CfG\xb8\x94\x06\xa7)\nss')
"PRIV:WM/WMContentID:\x8f<\x89O¤\x0bìO\x85'\x17ïü_\xadW"  PRIV(owner='WM/WMContentID', data=b"\x8f<\x89O\xa4\x0b\xecO\x85'\x17\xef\xfc_\xadW")
'TALB' (Album/Movie/Show title)                     'musiQ'
'TBPM' (BPM (beats per minute))                     '104'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Chest'
'TKEY' (Initial key)                                '9A'
'TLEN' (Length)                                     '133546'
'TPE1' (Lead performer(s)/Soloist(s))               'ORANGE RANGE'
'TPE2' (Band/orchestra/accompaniment)               'ORANGE RANGE'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ｇｒ８\u3000ｒｅｃｏｒｄｓ'
'TRCK' (Track number/Position in set)               '2/19'
'TSO2'                                              'Orange Range'
'TSOP' (Performer sort order)                       'Orange Range'
'TSRC' (ISRC (international standard recording code))  'JPSR00401746'
'TXXX:Acoustid Id'                                  'a7bfda57-0c01-439b-890e-251d4cab3ad3'
'TXXX:Artists'                                      'ORANGE RANGE'
'TXXX:MusicBrainz Album Artist Id'                  'fee8e811-a2dc-4c09-8484-3c2aca38c3f9'
'TXXX:MusicBrainz Album Id'                         '17e3ab0f-82d7-444d-804a-d1d7b7ad73de'
'TXXX:MusicBrainz Album Status'                     'pseudo-release'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fee8e811-a2dc-4c09-8484-3c2aca38c3f9'
'TXXX:MusicBrainz Release Group Id'                 '81dbc985-cb51-352c-a391-fa863371b57f'
'TXXX:MusicBrainz Release Track Id'                 '213aabb6-6f13-3748-8bec-eb4e73a67f6b'
'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'                                       'Latn'
'TXXX:discogstags'                                  ['alternative rock', 'j-pop', 'pop', 'rock']
'TXXX:lastfmtags'                                   ['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.352136'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0042e7d5-ced0-4524-b033-060171573baf')

========================== row from database ==========================
                                              'id'  1401030
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ORANGE RANGE/muziQ/02 チェスト.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  loc-asia-japan
                                        'filesize'  5360404
                                           'mtime'  1622821613
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia muziQ 02 チェスト loc asia japan
                                      'tag_artist'  ORANGE RANGE
                                     'tag_release'  musiQ
                                       'tag_title'  Chest
                                             'bpm'  104.0
                                    'search_title'  'chest':1
                                   'search_artist'  'orange':1 'range':2
                                  'search_release'  'musi':2 'musiq':1 'q':3
                                     'search_rest'  '00asia':1 'asia':6 'japan':7 'loc':5 'muzi':8 'muziq':2 'q':9 'tiesuto':4 'チェスト':3
                                    'search_combo'  '00asia':7 'asia':12 'chest':1A 'japan':13 'loc':11 'musi':5C 'musiq':4C 'muzi':14 'muziq':8 'orange':2B 'q':6C,15 'range':3B 'tiesuto':10 'チェスト':9
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j pop', 'jrock', 'japanese', 'anime', 'rock', 'j rock']
                                        'tag_date'  2004
                                     'discogstags'  ['alternative rock', 'j-pop', 'pop', 'rock']

============================== file details ==============================
                                           'mtime'  1622821613.0587885  (2021-06-04 17:46:53)
                             'size'  5360404