======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '47'
                                          'artist'  'ORANGE RANGE'
                                     'text_people'  ''
                                         'release'  'musiQ'
                                           'title'  'KA-RI-SU-MA'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      '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'  '1'
                                      'tracktotal'  '19'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan'
                                             'bpm'  '128.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000076F 00000593 00001CFB'
'COMM:iTunNORM:eng'                                 (' 0000076F 00000593 00001CFB 00001994 00007001 00007001 0000594F 000055FE '
 '00007001 0000702F')
'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:\xa0\x19\x00\x00'                PRIV(owner='AverageLevel', data=b'\xa0\x19\x00\x00')
'PRIV:PeakValue:xi\x00\x00'                         PRIV(owner='PeakValue', data=b'xi\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:\x8eñp¨õÝA\x82&÷ãÞ®íª'        PRIV(owner='WM/WMContentID', data=b'\x8e\xc3\xb1p\xa8\xf5\xddA\x82&\xf7\xe3\xde\xae\xed\xaa')
'TALB' (Album/Movie/Show title)                     'musiQ'
'TBPM' (BPM (beats per minute))                     '128.1'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-japan'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'KA-RI-SU-MA'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '47786'
'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)               '1/19'
'TSO2'                                              'Orange Range'
'TSOP' (Performer sort order)                       'Orange Range'
'TSRC' (ISRC (international standard recording code))  'JPSR00402446'
'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'                 '9237cff9-0b1f-3c33-aeb4-ff3550af7741'
'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'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.509326'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2d824d25-f3aa-400c-881d-f6f3b520f84d')

========================== row from database ==========================
                                              'id'  1399176
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/ORANGE RANGE/muziQ/01 ＫＡ・ＲＩ・ＳＵ・ＭＡ.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  47
                                           'genre'  loc-asia-japan
                                        'filesize'  1930898
                                           'mtime'  1622821613
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia muziQ 01 ＫＡ・ＲＩ・ＳＵ・ＭＡ loc asia japan
                                      'tag_artist'  ORANGE RANGE
                                     'tag_release'  musiQ
                                       'tag_title'  KA-RI-SU-MA
                                             'bpm'  128.1
                                    'search_title'  'ka':1 'karisuma':5 'ma':4 'ri':2 'su':3
                                   'search_artist'  'orange':1 'range':2
                                  'search_release'  'musi':2 'musiq':1 'q':3
                                     'search_rest'  '00asia':1 'asia':12 'japan':13 'ka':7 'loc':11 'ma':10 'muzi':14 'muziq':2 'q':15 'ri':8 'su':9 'ｋａ':3 'ｍａ':6 'ｒｉ':4 'ｓｕ':5
                                    'search_combo'  '00asia':11 'asia':22 'japan':23 'ka':1A,17 'karisuma':5A 'loc':21 'ma':4A,20 'musi':9C 'musiq':8C 'muzi':24 'muziq':12 'orange':6B 'q':10C,25 'range':7B 'ri':2A,18 'su':3A,19 'ｋａ':13 'ｍａ':16 'ｒｉ':14 'ｓｕ':15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', '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'  1622821613.0432732  (2021-06-04 17:46:53)
                             'size'  1930898